sensor AUDI TT 2012 User Guide

Downloaded from www.Manualslib.com manuals search engine 118Airbagsystem
-Neverputtheforward-facing childre­
straintupagainstorveryneartheinstru­
mentpanel.
-Always movethepassengerseatintoits
rearmostpositionintheseat'sforeand
aftadjustmentrange,asfarawayfrom
theairbagaspossible,beforeinstalling
theforward-facing childrestraint.The
backrestmustbeadjustedtoanupright
position.
-MakesurethatthePASSENGERAIRBAG
OFFlightcomesonandstaysonallthe
timewhenevertheignition isswitched
on.
Advanced AirbagSystem components
Thefrontpassengerseatinyourvehicle hasa
lotofveryimportantpartsoftheAdvanced
Airbag
Systeminit. Thesepartsincludethe
weight-sensingmat,sensors,wiring, brack­
ets,andmore.Thefunctionofthesystemin
thefrontpassengerseatischeckedbythe
electroniccontrolunitwhentheignitionison.
The
controlunitmonitorstheAdvancedAir­
bagSystemandturnstheairbagindicator
light on
whenamalfunctioninthesystem
componentsisdetected.Thefunctionofthe
airbagindicatorlightisdescribedingreater
detailbelow. Becausethefrontpassenger
seatcontainsimportantpartsoftheAd­
vanced AirbagSystem,youmusttakecareto
preventitfrombeingdamaged.Damageto
theseatmaypreventtheAdvanced Airbagfor
thefrontpassengerseatfromdoingitsjobin
acrash.
Thefront Advanced AirbagSystem
consistsofthefollowing:
- Crashsensorsinthefrontofthevehiclethat
measurevehicleacceleration/deceleration
toprovideinformationtotheAdvancedAir­
bagSystemabouttheseve rityofthecrash.
-
Anelectroniccontrolunit, withintegrated
crashsensorsforfrontandsideimpacts.
Thecontrolunit"decides"whethertofire
thefrontairbagsbasedontheinformation
receivedfromthecrashsensors.Thecontrol
unitalso"decides"whetherthesafetybelt
pretensionersshouldbeactivated.
-AnAdvanced Airbagwithgasgeneratorfor
thedriverinsidethesteeringwheelhub.
-
AnAdvanced Airbagwithgasgeneratorin­
sidetheinstrumentpanelforthefrontpas­
senger.
- Aweight-sensingmatundertheupholstery
paddingofthefrontpassengerseatcushion
thatmeasuresthetotalweightontheseat.
The
informationregisteredissentcontinu­
ously
totheelectroniccontrolunittoregu­
latedeploymentofthefrontAdvancedAir­
bag onthepassengerside.
-
Anairbagmonitoringsystemandindicator
lightintheinstrumentclustere;,page122.
- ThePASSENGERAIRBAGOFFlightcomes
onandstaysoninthecenteroftheinstru­
mentpanele;,page122,fig.115andtells
youwhenthefrontAdvanced Airbagonthe
passengersidehasbeenturnedoff.
-Asensorbelowthesafetybeltlatch forthe
frontseatpassengertomeasurethetension
on
thesafetybelt. Thetensiononthesafety
beltandtheweightregisteredbythe
weight-sensingmathelpthecontrolunit
"decide"whetherthefrontairbagforthe
frontpassengerseatshouldbeturnedoffor
note;,page113,Child restraints onthe
frontseat-sameimportantthingsto
know.
- Asensorinthesaf-etybeltlatch forthedriv­
erandforthefrontseàtpassengerthat
senseswhetherthatsafetybeltislatchedor
notandtransmitsthisinformationtothe
electronic controlunit.
AWARNING
Damagetothefrontpassengerseatcan
preventthefrontairbagfromworking
properly.
-
Improperrepair ordisassemblyofthe
frontpassengeranddriverseatwillpre­
venttheAdvanced AirbagSystemfrom
functioning properly.
- Repairs
tothefrontpassengerseatmust
beperformedbyqualifiedandproperly
trainedworkshoppersonnel.~
_Never removethefrontpassengeror
driver
seatfromthevehicle.
_Never removetheupholsteryfromthe
frontpassengerseat.
_Neverdisassembleorremovepartsfrom
theseatordisconnectwiresfromit.
_Nevercarrysharpobjectsinyourpockets
orplacethemontheseat.Iftheweight­
sensingmatinthepassengerseatis
punctureditcannotwork properly.
_Never carrythingsonyourlaporcarry
objects on
thepassengerseat.Such
itemscanincreasetheweightregistered
bytheweight-sensingmatandsendthe
wronginformationtotheairbagcontrol
unit.
_Neverstoreitemsunderthefrontpas­
sengerseat.PartsoftheAdvancedAir­
bagSystemunderthepassengerseat
could bedamaged,preventingthemand
theairbagsystemfromworking proper­
ly.
_Never placeseatcoversorreplacement
upholsterythathavenotbeenspecifical­
lyapprovedbyAudionthefrontseats.
-Seatcovers canpreventtheAdvanced
Airbag
Systemfromrecognizing childre­
straintsoroccupantsonthefrontpas­
sengerseatandpreventthesideairbag
intheseatbackrestfromdeploying prop­
erly.
-Never usecushions, pillows,blanketsor
similar
itemsonthefrontpassenger
seat.Theadditionalpaddingwillprevent
theweight-sensingmatintheseatfrom
accurately registering
thechildrestraint
orpersonontheseatandpreventthe
AdvancedAirbagSystemfromfunction­
ing properly.
-Ifyoumustuseachildrestraintonthe
frontpassengerseatandthechild re­
straintmanufacturer'sinstructionsre­
quire
theuseofatowel,foamcushionor
somethingelsetoproperly positionthe
childrestraint,makecertainthatthe
PASSENGERAIRBAGOFFlightcomes
onandstaysonwheneverthechildre-
straintisinstalledonthefrontpassen­
gerseat.
-IfthePASSENGERAIRBAGOFFlight
doesnotcomeonandstayon,immedi­
atelyinstallchildrestraintinarearseat­
ing positionandhavetheairbagsystem
inspectedbyyourAudi dealer.
HowtheAdvanced AirbagSystem
components worktogether
ThefrontAdvanced AirbagSystemandthe
sideairbagssupplementtheprotectionof­
fered
bythefrontthree-pointsafetybelts
;"'ithpretensionersandload limitersandthe
adjustableheadrestraintstohelp reducethe
riskofinjuryinawiderangeofaccidentand
crashsituations.Besuretoreadtheimpor­
tantinformationaboutsafetyandheedthe
WARNINGSinthischapter.
DeploymentoftheAdvanced AirbagSystem
andtheactivationofthesafetybeltpreten­
sionersdependonthedecelerationmeasured.
bythecrashsensorsandregisteredbythe
electroniccontrolunit.Crash severitydepends
onspeedanddecelerationaswellasthemass
andstiffnessofthevehicleorobjectinvolved
inthecrash.
Whentheelectroniccontrolunitregistersa
low severity crash
andthesafetybeltisbeing
used,
theairbagwillnotdeploy.Ifthesafety
beltisnotbeingused,thefirststagedeploys,
followed
bythesecondstageafteramuchlat­
ertimeinthecrashsequence.
Iftheelectroniccontrolunitregistersa crash
ofmediumseverity,thefirststageoftheair­
bag deploys followed
bythesecondstageata
much
latertimeinthecrashsequence- re­
gardlessofwhetherthesafetybeltisbeing
used ornot. In
higherseveritycrashesasreg­
isteredbytheelectroniccontrolunit,boththe
firstandsecondstagesdeployalmostatthe
sametime.
Onthepassengerside,regardlessofsafety
beltuse,theairbagwill beturnedoffifthe
weightonthepassengerseatislessthanthe
amountprogrammedintheelectroniccontrol.

Downloaded from www.Manualslib.com manuals search engine ThePASSENGER AIRBAGOFFlightmust
comeonandstayoniftheignitionisonand
- acarbedhasbeeninstalledonthefront
seat,or
- arearward-facingchildrestrainthasbeen
installedonthefrontpassengerseat,or
- aforward-facingchildrestrainthasbeenin-
stalledonthefrontpassengerseat,or~
ThePASSENGER AIRBAGOFFlightshould
NOTcomeonwhentheignitionisonandan
adultissittinginaproperseatingpositionon
thefrontpassengerseat.IfthePASSENGER
AIR
BAGOFFlightcomesonandstaysonor
flashesforabout5secondswhile driving, un­
derthesecircumstances,makesurethat:
-theadultonthefrontpassengerseatis
properlyseatedonthecenteroftheseat
cushionwithhisorherbackupagainstthe
backrestandthebackrestisnotreclined
c')page94,Properoccupant seatingposi­
tions,
-theadultisnottakingweightofftheseatby
holding on
tothepassengerassisthandle
abovethefrontpassengerdoororsupport­
ingtheirweightonthearmrest,
-thesafetybeltisbeing properly wornand
thatthereisnotalotofslackinthesafety
beltwebbing,
-accessoryseatcoversoreushionsorother
thingsthatmaycauseanincorrectreading
orimpressionontheweight-sensingmat
undertheupholsteryoftheseathavebeen
removedfromthefrontpassengerseat,~
Airbagsystem1
IfthePASSENGERAIRBAGOFFlightstill
doesnotcomeonanddoesnotstayoncon­
tinuously(whentheignitionisswitchedon),
-takethechildrestraintoffthefrontpassen-
gerseatandinstallitproperlyatoneofthe
rearseatpositions.Havetheairbagsystem
inspectedbyyourAudidealerimmediately.
-movethechildtoarearseatpositionand
makesurethatthechildisproperlyrestrain­
edinachildrestraintthatisappropriatefor
its sizeandage.
-makesurethatthesafetybelttensionsen­
sorisnotblocked.Shakethesafetybelt
latch onthefrontpassengerseatbackand
forth;
-Ifastraportetherisbeingusedtotiethe
childsafetyseattothefrontpassenger
seat,makesurethatitisnot50tightthatit
causestheweight-sensingmattomeasure
moreweightthanisactuallyontheseat.
-reactivatethesystembyturningtheignition
off
andthenturningitonagain;
- removeandreinstallthechildrestraint.
Makesurethatthechildrestraintisproperly
installedandthatthesafetybeltforthe
frontpassengerseathasbeencorrectly
routedaroundthechildrestraintasdescri­
bed
inthechildrestraintmanufacturer'sin­
structions;
-makesurethattheconvertiblelocking fea­
tureonthesafetybeltforthefrontpassen­
gerseathasbeenactivatedandthatthe
safetybelthasbeenpuliedtight.Thebelt
mustnotbe looseorhaveloopsofslack50
thatthesensorbelowthesafetybeltlatch
on
theseatcan doitsjobc')page143.
-makesurethatthingsthatmayincreasethe
weightofthechildandchildsafetyseatare
notbeingtransportedonthefrontpassen­
gerseat;
----_theweightregisteredonthefrontpassen-
gerseatisequaltoorlessthanthecom­
binedweightofatypicallyear-oldrestrain­
edinoneoftherear-facingorforward-fac­
inginfantrestraintslistedinFederal Motor
Vehicle
SafetyStandard208withwhichthe
Advanced AirbagSysteminyourvehiclewas
certified.
If
thefrontpassengerseatisnotoccupied,
the
frontairbagwillnotdeploy,andthePAS­
SENGERAIRBAGOFFlightwillstayon.Nev­
er install arearward-facing child
restrainton
the
frontpassengerseat,thesafestplacefor
a childinany kindofchildrestraintisatone
oftheseatingpositionsontherearseat
qpage113,Child restraints onthe frontseat
_some important thingstoknowand
qpage133,ChildSafety.
IfthePASSENGER AIRBAGOFFlightcames
onwhenoneoftheconditionslistedaboveis
met, besuretocheckthelightregularlyto
makecertainthatthePASSENGER AIRBAG
OFFlightstaysoncontinuouslywheneverthe
ignitionison.IfthePASSENGER AIRBAG
OFFlightdoesnotappearandnotstayonall
thetime,stopassoonasitissafetodo50
and
The
PASSENGER AIR
BAGOFFlightislocated
inthecenteroftheinstrumentpanel
c')fig.115.
ThePASSENGER AIRBAGOFFlightwillcome
on
andstayontotellyouwhenthefrontAd­
vancedAirbag onthepassengersidehasbeen
turnedoffbytheelectroniccontrolunit.Each
timeyouturnontheignition,thePASSEN­
GERAIRBAGOFFlightwillflashforafew
secondsand:
Fig.115Sectionfromtheinstrumentpanel:PASSEN­GERAIRBAGOFFlight
Itispossiblethattheairbagwillinflate
whenitisnotsupposedto,orwillnotin­
fla
tewhenitshould.
- Have
theairbagsysteminspectedimme­
diatelybyyourAudi dealer.
PASSENGER AIRBAG
OFFIight•
- will
stayon ifthefrontpassengerseatisnot
occupied,..-.
-willstayon ifthereisasQ1all childorchild
restraintonthefrontpassengerseat,
-will gooutifthefrontpassengerseatisoc­
eupiedbyanadultasregisteredbythe
weight-sensingmat.
~AirbagmonitoringindicatorIight
Twoseparate indicators monitorthefunction
oftheAdvonced AirbagSystem:theoirbag
monitoring indicatorIight
andthePASSEN­
GERAIRBAGOFFIight.
-Iftheresidueshouldgetintoyoureyes,
flush
themwithwater.
Monitoringthe
AdvancedAirbag
System
&.WARNING
Anairbagsystemthatisnotfunctioning
properlycannotprovidesupplementalpro­
tectioninafrontalcrash.
-
Iftheairbagindicatorlightcomeson,it
meansthattheremaybesomething
wrong withtheAdvanced AirbagSystem.
TheAdvanced AirbagSystem(includingthe
electroniccontrolunit,sensorcircuitsandsys­
temwiring)ismonitoredcontinuouslyto
makesurethatitisfunctioningproperly
whenevertheignitionison.Eachtimeyou
turnontheignition,theairbagmonitoringin­
dicatorlight1willcomeonforafewseconds
(selfdiagnostics).
ThesystemmustbeinspectedwhentheindicatorIight1:
-doesnotcomeonwhentheignitionis
switchedon,
-doesnotgooutafewsecondsafteryou
have
switchedontheignition,or
-comeson while driving.
Ifanairbagsystemmalfunctionisdetected
theindicatorlightwillfirststartflashingto'
catchthedriver'sattentionandthenstayon
continuouslytoserveasaconstantreminder
tohavethesysteminspectedimmediately.
Ifamalfunctionoceursthatturnsthefront
airbagonthepassengersideoff,thePASSEN­
GERAIRBAGOFFlightwillcomeonandstay
onwhenevertheignitionison.

Downloaded from www.Manualslib.com manuals search engine UJ
126Airbagsystem
~Forthesakeoftheenvironment
Undeployedairbagmodulesandpreten­
sionersmightbeclassifiedasPerchlorate
Material-specialhandlingmay apply,see
www.dtsc.ca.gov/hazardouswaste/per­
chlorate.Whenthevehicleorpartsofthe
restraintsystemincludingairbagmodules
safetybeltswithpretensionersarescrap­
ped, all
applicablelawsandregulations
mustbeobserved.YourauthorizedAudi
dealerisfami liarwiththeserequirements
andwerecommendthatyou have your
dealerperformthisserviceforyou.
Other thingsthatcanaffect Advanced
Airbag performance
Changingthevehicle'ssuspensionsystemcan
changethewaythattheAdvanced AirbagSys­
temperformsinacrash. ForexampLe, using
tire-rim
combinationsnotapprovedbyAudi,
lowering
thevehicle,changingthestiffnessof
thesuspension,includingthesprings,suspen­
sionstruts,shockabsorbersetc. canchange
theforcesthataremeasuredbytheairbag
sensorsandsenttotheelectroniccontrol
unit.Somesuspensionchangescan,forexam­
ple,increasetheforce levelsmeasuredbythe
sensorsandmaketheairbagsystemdeployin
crashesinwhich itwouldnotdeploy ifthe
changeshadnotbeenmade.Otherkindsof
changesmayreducetheforcelevelsmeas­
uredbythesensorsandpreventtheairbag
fromdeployingwhenitshould.
Thesensorsinthesafetybeltbuckleforthe
driverandfrontpassengerseattelltheelec­
tronic
controlmoduleifthesafetybeltis
latchedor not.Ifthesafetybeltisbeing used,
thefrontairbag willdeployataslightlyhigh­
errateofvehicledecelerationthanifthesafe­
tybeltisnotbeing used..Therefore,inapar­
ticular collision, it
ispossiblethatanairbag
will
notdeployataseatingpositionwherethe
safetybeltis bei ngusedbutwill inflateatthe
positionwherethesafetybeltisnotbeing
used.
Itisimportantthatnothinginterfere
withthesafetybeltbucklessothatthesen-
sorscansendthecorrectinformationabout
safetybeltusetotheeLectroniccontrolunit.
&.WARNING
Changingthevehicle'ssuspensioninclud-
ing
useofunapprovedtire-rimcombina-
tionscanchangeAdvanced Airbagper-
formanceandincreasetheriskofserious
personalinjuryinacrash.
- Never install
suspensioncomponents
thatdonothavethesameperformance
characteristicsasthecomponentsorigi-
nally instalLed on
yourvehicle.
- Never usetire-rim
combinationsthat
havenotbeenapprovedbyAudi.
.&WARNING
Itemsstoredbetweenthesafetybelt
buckleandthecenterconsolecancause
thesensorsinthebuckletosendthe
wronginformationtotheelectronic con-
trolmoduleandpreventtheAdvancedAir-
bagSystemfromworking properly.
- Always make
surethatnothingcaninter-
ferewiththesafetybeltbucklesandthat
theyarenotobstructed.
Kneeairbags
Descriptionofknee airbags •
Thekneeairbag syste conprovide supple­
mentalprotection toprope(fYrestrained
front
seatoccupants.
Fig.116Driver's airbag
Thedriver kneeairbagisintheinstrument
paneLunderneaththesteeringwheel
qfig.116,theairbagforthepassengerisat~
--aboutthesameheightintheinstrumentpan­
el
underneaththegLovecompartment.
Thekneeairbagoffersadditionalprotection
tathedriver'sandpassenger'skneesandup­
per and Lower
thighareasandsupplements
theprotectionbythesafetybelts.
IfthefrontairbagsdepLoy,thekneeairbags
also depLoyinfrontalcoLlisionswhenthede~
loymentthresholdstoredinthecontrolunit
ismetqpage 120,Moreimportant thingsto
know about frontairbags.
Inadditiontotheirnormalsafetyfunction,
safety beLtsheLpkeepthedriverorfrontpas­
senger
inpositioninafrontalcollisionsothat
the airbags canprovidesuppLementalprotec­
tion.
Theairbagsystemisnotasubstituteforyour
safety belt.Rather, it
ispartoftheoveralLoc­
cupant
restraintsysteminyour vehicle.Al­
waysrememberthattheairbagsystemcan
only help
toprotectyouifyouarewearing
your
safetybeltandwearing itproperly. This
iswhyyoushouldaLwayswearyoursafety
beLt,notjustbecausetheLawrequiresyouto
do50qpage 103,General notes.
ThesafetybeLtbuckLeforthedriverandfront
seatpassengerhaveswitchesthattelLtheair­
bag controL moduLe if
thesafetybeLtisbeing
used
ornot.IfthesafetybeLt isbeing used,
thekneeairbagwilldeployataslightlyhigher
rateofdecelerationthanifthebeLtisnotbe­
ingused. Therefore,inaparticuLar coLlision,it
ispossiblethatanairbagwillnotdeployata
seating position
wherethesafetybeltisbeing
used
butwill infLateatthepositionwherethe
safetybeltisnotbeing used.
Remembertoo,airbagswilldepLoy onlyonce
andonlyincertain kindsofaccidents-your
safety
beltsare alwaystheretoofferprotec­
tion
inthoseaccidentsinwhichairbagsare
not
supposedtodeploy orwhentheyhaveaL­
readydeployed,forexamplewhenyourvehi­
cle strikes
orisstruckbyanotherafterthe
first collision.
Airbagsystem
Thisisjustoneofthereasonswhyanairbagis
notasubstituteforthesafetybelt. Theairbag
systemworksmosteffectively whenusedwith
thesafetybelts. Therefore, aLwayswearyour
safetybeltscorrectly.
Itisimportanttorememberthatwhilethe
supplementaLkneeairbagsystemisdesigned
toreducethelikelihoodofseriousinjuries,
otherinjuries,forexample,swelling, bruising,
minorabrasionsandfrictionburnscanalso
occurwhenanairbaginfLates.
Theknee airbag systembasicaLLyconsists
of:
- The electroniccontrolmodule
-TwoinfLatabLeairbags(airbagandgasgen-
erator),oneforthedriverandoneforthe
frontpassenger
-The airbagindicatorlightintheinstrument
panel
The knee airbag systemwiLLnotdeploy:
-whentheignition isturnedoff
-
infrontalcollisionswhenthedeceleration
measuredbythecontrolunitistooLow
-inside collisions
-
inrear-end collisions
-
inrollovers
-
intheeventofasystemmalfunction(warn-
ing/indicatorlightis on)qpage16.
&.WARNING
-Safetybeltsandtheairbagsystemcan
only provide
protectionwhenoccupants
areintheproperseatingposition
qpage120.
-Iftheairbagindicatorlightcomeswhen
thevehicleisbeing used,havethesys­
teminspectedimmediatelybyyourau­
thorizedAudidealer.

Downloaded from www.Manualslib.com manuals search engine Airbagsystem
Howknee airbags work
Theriskofinjurytothe legorea conbere­
duced byfully inflated kneeairbags.
Fig.117Inflated airbagsprotectinginafrontalcolli­sion
Thekneeairbagsystemhasbeendesigned50
thattheairbagsforthedriverandfrontpas­
sengerdeployincertainbutnotallfrontal
collisions.
Ifthefrontairbagsdeploy,thekneeairbags
also deployinfrontalcollisionswhenthede­
ploymentthresholdstoredinthecontrolunit
ismet.
Whenthesystemdeploys,theairbagsfill
with a
propellantgas,andinflatebetweenthe
lowerpartoftheinstrumentpanelandthe
driverandthelowerpartoftheinstrument
panelandthefrontpassengerQpage120,
fig.114.
Althoughtheyarenotasoftpillow,theycan
"cushion"
theimpactandinthiswaytheycan
help
toreducetheriskofinjurytothelower
extremities.
Allofthistakesplaceintheblinkofan eye,50
fastthatmanypeopledon'teven realizethat
theairbagshavedeployed. Theairbagsalso
inflatewithagreatdealofforceanditisim­
portantforoccupantsafetythatnothing
shouldbeintheirwaywhentheydeploy.
Fully
inflatedairbagsincombinationwith
properly worn
safetybeltsslowdownandlim­
it
theoccupant'sforwardmovementandhelp
toreducetheriskofinjury.
Importantsafety instructions onthekneeairbag system
Airbags areonly supplemental restraints.Al­
ways wear
safetybeltscorrectly andrideina
praper seating position.
Thereisalotthatyouandyourpassengers
mustknowanddotohelpthesafetybeltsand
airbagstoprovidesupplementalprotection.
AWARNING
Aninflating kneeairbagcancauseserious
injury.Wearingsafetybeltsincorrectlyand
improperseatingpositions increasethe
riskofseriouspersonalinjuryanddeath
wheneveravehicleisbeing used.
- The knee airbag
systemcannotprotect
youproperly ifyouareseatedtooclose
toanyoftheairbagLocations.Whenad­
justingtheirseatpositions, itisimpor­
tantthatboththedriverandthefront
passengerkeeptheirupperbodiesand
kneesatthefollowingminimumsafe
distances:
-atleast10inches(25cm)betweenthe
chestandthesteeringwheel/instru­
mentpanel.
-atleast4inches(l0cm)betweenthe
kneesandthelowerpartoftheinstru­
mentpanel.
- The risk
ofpersonalinjuryincreasesif
you lean forward
6r-totheside, orifthe
seatisimproperlyposiNonedandyouare
notwearingyoursafetybelt.Theriskin­
creasesevenmoreshouldtheairbag de­
pLoy.
-Always makesurethatthekneeairbag
caninflatewithoutinterference.Objects
betweenyouandtheairbagcanincrease
theriskofinjuryinanaccidentbyinter­
fering with
thewaytheairbag deploys or
bybeingpushedintoyouastheairbag
deploys.
- Never
letanybody, especially children
or
animalsrideinthefootwellinfront~
.-ofthepassengerseat.Iftheairbag de­
ploys,
thiscanresultinseriousorfatal
injuries.
_Never carryobjectsofanykindinthe
footwellareainfrontofthedriver'sor
passenger'sseat.Sulkyobjects(shop­
ping bags,
forexampLe) caninterfere
withorpreventproperdeploymentof
theairbag.Smallobjectscanbe
thrownthroughthevehicLe iftheair­
bag deploys
andinjure youoryour pas­
sengers.
_Makesuretherearenocracks,deep
scratchesorotherdamageintheareaof
theinstrumentpanelwheretheknee air­
bagsarelocated.
-Ifchildren areincorrectlyseated,their
riskofinjury increasesinacollision
Qpage133,Child Safety.
5ideairbags
Descriptionofsideairbags
Theairbagsystemconprovide supplemental
protection topraperly restroined front
seat
occupants.
Fig.1185ideairbag locationinthedriver'sseat
Thesideairbagsarelocatedinthesidesofthe
frontseatbackrestsQfig.118facingthe
doors. Theyareidentifiedbytheword"AIR­
BAG".
Thesideairbagsystembasicallyconsistsof:
-theelectroniccontrolmoduLeandexternal
sideimpactsensors
-thetwosideairbagsLocatedinthesidesof
thefrontbackrests
Airbagsystem1
-theairbag warning lightintheinstrument
cluster.
The
airbagsystemismonitoredelectronically
tomakecertainthatit is functioning properly
atalltimes.Eachtimeyouturnontheigni­
tion,
theairbagsystemindicator lightwilL
comeonforafewseconds(seLfdiagnostics).
The side
airbagsystemsuppLementsthesafe­
tybeltsandcanhelptoreducetheriskofin­
jury
tothedriver'sandfrontpassenger'sup­
pertorsoandheadonthesideofthevehicle
thatisstruckinasidecollision. Theairbagde­
ploys
insideimpactsandonLywhenthevehi­
cle acceleration
registeredbythecontrolunit
ishighenough.Ifthisrateisbelowtherefer­
encevalueprogrammedintothecontrolunit,
th'e side
airbagswillnotbetriggered,even
thoughthecarmay bebadLydamagedasare­
sultofthecollision.Itisnotpossibletode­
fine anairbag
triggeringrangethatwill coyer
every possible
angleofimpact,sincethecir­
cumstanceswillvary considerablybetween
onecollisionandanother.Importantfactors
include, forexample,thenature(hardorsoft)
oftheimpactingobject,theangleofimpact,
vehicLespeed,etc.Qpage131,Important
safetyinstructions onthe side airbag system.
Asidefromtheirnormalsafetyfunction,safe­
tybeltsworktohelpkeepthedriverorfront
passengerinpositionintheeventofaside
collision50thatthesideairbagscanprovide
protection.
The airbagsystemisnotasubstituteforyour
safetybelt.Rather, itispartoftheoverall oc­
cupantrestraintsysteminyourvehicle.Al­
waysrememberthatthesideairbagsystem
canonly helptoprotectyouifyouarewearing
your
safetybeltandwearing itproperly. This
isanotherreasonwhyyoushouldalwayswear
yoursafetybelts,notjustbecausethelawre­
quires you
todo50Qpage103,General
notes.
Itisimportanttorememberthatwhilethe
supplementalsideairbagsystemisdesigned
toreducethelikelihoodofseriousinjuries,
otherinjuries,forexample,swelling, bruising,~

Downloaded from www.Manualslib.com manuals search engine 130AirbagsystelTl
andminorabrasionscanalsobeassociated
withdeployedsideairbags.Remembertoo,
side
airbagswill deploy onlyonceandonlyin
certainkindsofaccidents-yoursafetybelts
arealwaystheretoofferprotection.
Vehicledamage,repaircostsoreventhelack
ofvehicledamagearenotnecessarilyanindi­
cationofover-sensitiveorfailedairbagactiva­
tion. In
somecollisions,bothfrontandside
airbagsmayinflate.Remembertoo,thatair­
bagswilldeployonlyonceandonlyincertain
kindsofcollisions -yoursafetybeltsareal­
waystheretoofferprotectioninthoseacci­
dentsinwhichairbagsarenotsupposedto
deployorwhentheyhavealreadydeployed.
ThesideairbagsystemwillnotdepLoy:
-whentheignitionisturnedoff
-
inside collisions whentheacceleration
measuredbythesensoristoolow
-
inrear-end collisions
-
inrollovers.
In
sometypesofaccidentsthefrontairbags
andsideairbagsmay betriggeredtogether.
AWARNING
-SafetybeltsandtheairbagsystemwilL
only provideprotectionwhenoccupants
areintheproperseatingposition
Qpage131.
-Iftheairbagindicatorlightcomeson
whenthevehicle isbeing used,havethe
systeminspectedimmediatelybyyour
authorizedAudidealer. Theairbagmay
notworkproperlywhenthevehicleac­
celerationinasidecollision ishigh
enoughtoactivatetheairbag.
HowsuppLementaLsideairbagswork.
Side airbags dep/oyinstant/yandconhe/pre­
ducetheriskafuppertorso injuries foroccu­
pantswhoareproperly restroined.
Fig.119Inflatedsideairbags onleft side ofvehicle
Whenthesystemistriggered,theairbagis
filled withpropellantgasandbreaksthrough
aseamintheseatsurfaceareamarked"AIR­
BAG".ltexpandsbetweenthesidetrimpanel
andthepassenger.Inordertohelpprovide
thisadditionalprotection,thesideairbag
mustinflate withinafractionofasecondat
veryhighspeedandwithgreatforce. Thesup­
plementalsideairbag couldinjure youifyour
seatingpositionisnotproperoruprightorif
itemsarelocatedintheareawherethesup­
plementalsideairbagexpands.ThisappLies
especially
tochildrenQpage133,Child Safe­
ty.
SupplementalsideairbagsinfLatebetween
theoccupantandthedoorpaneL ontheside
ofthevehiclethatisstruckincertainsidecol-
lisionQfig.119.'--.
Althoughtheyarenotasoftpillow,theycan
"cushion"theimpactandinthiswaytheycan
helptoreducetheriskofinjurytotheupper
partofthebody.
A fine
dustmay developwhentheairbagde­
ploys. Thisisnormalanddoesnotmeanthere
isafireinthevehicle.
-Importantsafety instructionsonthe
sideairbag system
Airbagsareon/ysupp/ementa/restroints.A/­
ways proper/y wearsafetybe/tsandrideina
praper
seatingposition.
Thereisalotthatyouandyourpassengers
mustknowandactaccordinglytohelpthe
safetybeltsandairbagsdotheirjobtopro­
videsupplementalprotection.
AWARNING
Aninflating sideairbag cancauseserious
orfatalinjury.Improperlywearingsafety
beltsandimproperseatingpositionsin­
creasetheriskofseriouspersonalinjury
and
deathwhenevera vehicle isbeing
used.
- In
ordertareducetheriskofinjury when
thesupplementalsideairbaginfLates:
- Always
sitinanuprightpositionand
neverleanagainsttheareawherethe
supplementalsideairbag islocated.
-NeverLetachildoranyoneeLserest
theirheadagainstthesidetrimpanel
intheareawherethesuppLemental
sideairbaginflates.
- Always
makesurethatsafetybeltsare
worn correctly,
-
Donotletanyonesittinginthefront
seatputtheirhandoranyotherparts
oftheirbodyoutofthewindow.
- Always
makesurethatthesideairbag
can
inflatewithoutinterference.
- Never installseatcoversorreplace­
mentupholsteryoverthefrontseat­
backsthathavenotbeenspecifically
approvedbyAudi.
-Never useadditionalseatcushionsthat
covertheareaswherethesideairbags
deploy.
-Damagetotheoriginalseatcovers or
totheseamintheareaofthesideair­
bagmodulemustalwaysberepaired
immediatelybyanauthorizedAudi
dealer.
AirbagsystelTl1:
- Objectsbetweenyouandtheairbag can
increase
theriskofinjuryinanaccident
byinterferingwiththewaytheairbag
unfolds
orbybeingpushedinto youas
theairbaginflates.
-Never placeorattachaccessoriesor
otherobjects(suchascupholders,tel­
ephonebrackets,oreven large, bulky
abjects)onthedoors,overornearthe
areamarked"AIRBAG"ontheseat
backrests.
-Suchabjectsandaccessoriescanbe­
comedangerousprojectilesandcause
injurywhenthesupplementalsideair­
bag deploys.
- Never carryany
objectsorpetsinthe
deploymentspacebetweenthemand
theairbagsorallow childrenorother
passengerstatravelinthisposition.
- Always
usethebuilt-incoathooks only
for
lightweightclothing.Never leaveany
heavyorsharp-edgedobjectsinthe
pocketsthatmayinterferewithsideair­
bagdeploymentandcancausepersonal
injuryinanaccident.
-Alwayspreventthesideairbagsfrombe­
ingdamagedbyheavyabjectsknocking
againstorhittingthesidesoftheseat­
backs.
- The
airbagsystemcan only betriggered
once.Iftheairbaghasbeentriggered,
thesystemmustberepLacedbyanau­
thorizedAudidealership.
-Damage(cracks,deepscratchesetc.)to
theoriginalseatcoversortatheseamin
theareaofthesideairbagmodulemust
alwaysberepairedimmediatelybyanau­
thorizedAudidealer.
-Ifchildrenareseatedimproperly,their
riskofinjuryincreasesinthecaseofan
accidentQpage133,Child Safety.
-Neverattempttomodifyanycompo­
nentsoftheairbagsysteminany way.
- In a
sidecollision,sideairbagswillnot
function properlyifsensorscannatcor­
rectlymeasureincreasing airpressurein-
sidethedoorswhenairescapesthrough~

Downloaded from www.Manualslib.com manuals search engine 134ChildSafetyChildSafety1:
5ubpartB -Rear-facingchildrestraints
5ubpartA -Carbedchildrestraints
MadelManufacturedonor
after
CenturySmartFitDecember1,1999
4S43
CoscoArrivaSeptember2S,2007
22-013PAWandbase
22-999WHO
Evenflo Discovery Ad-December1,1999
justRight212
matinsidethefrontpassengerseat,thatthe
frontpassengerairbagisturnedoffandthat
theairbagstatusisalwayscorrectly signaLed
bythePASSENGER AIRBAGOFFlight.
Many
typesandmodelsofchildrestraints
havebeenavailableovertheyears, newmod­
elsareintroducedregularly incorporating new
andimproveddesignsandoldermodelsare
takenoutofproduction.Childrestraintsare
notstandardized.Childrestraintsofthesame
typetypicallyhavedifferentweightsandsizes
anddifferent'footprints,'thesizeandshape
ofthebottomofthechildrestraintthatsits
ontheseat,whentheyareinstalled onavehi­
cle
seat.Thesedifferencesmake itvirtually
impossibletocertifycompliancewiththere­
quirementsforadvancedairbagswitheach
andevery childrestraintthathaseverbeen
soldinthepastorwill besold overthecourse
oftheusefullifeofyourvehicle.
For
thisreason,theUnitedStatesNational
Highway Traffic
SafetyAdministrationhas
published alistofspecific type,makesand
modelsofchildrestraintsthatmustbeused
tocertifycomplianceoftheAdvanced Airbag
Systeminyourvehicle withthesuppression
requirementsofFederalMotorVehicleSafety
Standard208.Thesechildrestraintsare:
Manufacturedonor
after----September2S,2007AngelGuard Angel
Ride AA2403FOF
Madel
Regardlessofthechildrestraintthatyouuse,
make sure
thatithasbeencertifiedtomeet
UnitedStatesFederal MotorVehicleSafety
Standardsandhasbeencertifiedbyitsmanu­
facturerforusewithanairbag. Always besure
thatthechildrestraintisproperlyinstalledat
one oftherearseatingpositions.Ifinexcep­
tional
circumstancesyoumustuseit onthe
frontpassengerseat,carefully readallofthe
information onchildsafetyandAdvancedAir­
bagsandheedalloftheapplica bleWARN­
INes.Makecertainthatthechildrestraintis
correctly recognizedbytheweight-sensing
ChildrestraintsandAdvancedAirbags
Theelectroniccontrolunitalsoregistersthe
tension onthefrontpassengersafetybelt.
The
tensiononthesafetybeltforthefront
passengerseatwillbedifferentforanadult
whoisproperly usingthesafetybeltascom­
pared
tothetensiononthebeltwhenitis
usedtoattacha childrestrainttotheseat.
Thesensorbelowthelatchforthesafetybelt
forthefrontseatpassengermeasuresthe
tension onthebelt.Theinputfromthissen­
soristhenusedwiththeweightto"decide",
whetherthereisachildrestraintwithatypical
1 year-old childon
thefrontpassengerseat
andwhetherornottheairbagmustbeturned
off.
seat.Theweightofachildrestraintandits
"footprint" varyfor
differentkindsofchild re­
straintsandforthedifferentmodelsofthe
sam
ekindofchildrestraintofferedbychild
restraint
manufacturers.
Theweightrangesfortheindividual types,
makes
andmodelsofchildrestraintsthatthe
NHTSAhas specifiedintheSafetyStandard
togetherwiththeweightrangesoftypical in­
fants
andtypicallyear-old childhavebeen
storedinthecontrolunitoftheAdvancedAir­
bagSystem.Whenachildrestraintisbeing
used on
thefrontpassengerseatwith atypi­
calIyear-old child,theAdvanced AirbagSys­
temcomparestheweightmeasuredbythe
weightsensingmatwiththeinformationstor­
edintheelectroniccontrolunit.
Even
thoughyour vehicleisequippedwithan
Advanced Airbag
system,allchildren,espe­
ciallythose12yearsandyounger,shouldal­
ways ride
inthebackseatproperlyrestrained
fortheirageandsize.Theairbag onthepas­
sengersidemakesthefrontseatapotentially
dangerousplace forachildtoride. Thefront
seatisnotthesafestplace forachildinafor­
ward-facing child
safetyseat.Itcanbeavery
dangerousplaceforaninfantoralargerchild
ina rearward-facingseat.
AdvancedAirbagsandtheweight-1sensingmatinthefrontseat
The Advanced Airbagsysteminyourvehicle
hasbeencertifiedtomeetthe"low-risk" re­
quirementsfor3-and6-yearoldchildren on
thepassengersideandsmalladultsonthe
driverside.Thelowriskdeploymentcriteria
areintendedtoreducetheriskofinjury
throughinteractionwiththeairbagthatcan
occur,
forexample,bybeingtooclosetothe
steeringwheelandinstrumentpanelwhen
theairbaginflates. Inaddition,thesystem
hasbeencertifiedtocomplywiththe"sup­
pression"
requirementsoftheSafetyStand­
ard,toturnoffthefrontairbagforinfantsup
to12monthswhoarerestrainedonthefront
passengerseatinchildrestraintsthatare list­
ed
intheStandard.
(FMVSS)208asapplicableatthetimeyour
vehicle
wasmanufactured.
The Advanced AirbagSysteminyourvehicle
detectsthepresenceofaninfantorchildina
child
restraintonthefrontpassengerseatus­
ing
theweight-sensingmatintheseatcush­
ion and
thesensorbelowthesafetybeltlatch
on
thefrontpassengerseatthatmeasuresthe
tensiononthesafetybelt.
Theweight-sensingmatmeasurestotal
weightofthechildandthechildsafetyseat
andachildblanketonthefrontpassenger
seat.Theweightonthefrontpassengerseat
isrelatedtothedesignofthechildrestraint
andits"footprint",thesizeandshapeofthe
bottomofthechildrestraintasitsitsonthe~
Always replace childrestraintsthatwere
installedinavehicle duringacrash. Dam­
agetoachildrestraintthatisnotvisible
could
causeittofailinanothercollision
situation.
Advancedfrontairbagsystemandchildren
Vour vehicleisequippedwithan"Advanced
Airbag
System"incompliancewith United
StatesFederal MotorVehicleSafetyStandard
-Alwaysinstallrear-facing childsafety
seatsontherearseat.
-Ifyoumustinstallarearwardfacing
child
safetyseatonthefrontpassenger
seatinexceptionalcircumstancesand
thePASSENGER AIRBAGOFFlightdoes
notcomeonandstayon,immediately
installtherear-facingchildsafetyseatin
arearseatingpositionandhavetheair-
bag
systeminspectedimmediatelyby
yourAudi dealer.
ln.WARNING
If,inexceptionalcircumstances,youmust
installaforward-facing childrestrainton
thefrontpassenger'sseat:
-Alwaysmakesuretheforward-facing
seathasbeendesignedandcertifiedby
itsmanufacturerforuseonafrontseat
with apassengerfrontandsideairbag.
-Always followthemanufacturer'sin-
structionsprovided withthechildsafety
seatorcarrier.
- Always move
thepassengerseatintoits
rearmostpositionintheseat'sforeand
aftadjustmentrange,asfarawayfrom
theairbagaspossiblebeforeinstalling
thechildrestraint.Thebackrestmustbe
adjustedtoanuprightposition.
- Always
makesurethatthePASSENGER
AIR
BAGOFFlightcomesonandstays
on allthetimewhenevertheignitionis
switchedon.
'

Downloaded from www.Manualslib.com manuals search engine Intelligenttechnology
overheatreducingtheeffectivenessof
theentirebrakesystem.
-Failureofonebrake circuit willimpair
thebraking capabilityresultinginanin­
creasedstoppingdistance.Avoid driving
thevehicleandhaveittowedtothenear­
estAudidealerorqualifiedworkshop.
-Neverletthevehicle rolltoastopwith
theengineshutoff.
-
Ifthebrakeboosterisnotworking,for
examplewhentowingyourvehicle,or
becausethebrakeboosterhassomehow
beendamaged,thebrakepedalmustbe
pressedconsiderablyhardertomakeup
forthelackofboosterassistance.
ELectro-mechanicaL
powerassist
Theelectro-mechanicalpowerassisthelps
thedriver whensteering.
Thedegreeofpowerassistiselectronically
matchedtovehiclespeed.
Thepowersteeringsystemassiststhedriver
50thathecansteerthevehiclewithreduced
physical
effort.
Powersteeringwillnotwork iftheengineis
off.Asaresult,thesteeringwheelwillbehard
toturn.
ÂWARNING
Ifthesystemdevelopsaproblem,you
mustseekqualifiedprofessionalassis­
tance.
CDNote
Ifthereisanelectronicmalfunction,ser­
votronic
willstillfunctionlike aconven­
tionalpowersteering.system,providing a
constantsteeringsupportforcethatisno
longerproportionatetothevehiclespeed.
Thisismostnoticeablewhenturningthe
steeringwheelatlowspeeds(forexample
whenparking),-moreeffortwillbere­
quired
thanusual.
-Beawareofthedifferentthanusual
steeringresponseandadjustyoursteer­
ing force accordingly.
- Have
theproblemcheckedandsetright
byanauthorizedAudidealerassoonas
possible.
-Ifasteeringmalfunctionoccurs,thisis
signaledwiththe~or..indicator
lightsandawarningtone,see.
(DTips
-Ifthepowersteeringsystemshouldfail,
oriftheengineisnotrunning (forexam­
ple,while beingtowed),youwillstillbe
abletosteerthevehicle. However,more
effortwiIIbereq u iredtodo50.
-Ifthepowersteeringsystemisnotfunc­
tioningproperly,contactyourauthorized
Audidealerimmediately.
Drivingwithyour
quattro®
Appliestavehides:with all-wheel drive
Withall-wheel drive,ailfour wheels aredriv­
en.
Generalinformation
Withall-wheeldrive,powerisdistributedto
allfourwheels.Thishappensautomatically
dependingonyourdrivingstyleandtheroad
conditionsatthetim~eealso.=;.page153.
Theall-wheeldriveconcepî:-isdesignedfor
highenginepower. Yourvehicleisexception­
ally
powerfulandhasexcellentdriving charac­
teristicsbothundernormaldrivingconditions
andonsnowandice.Always readandfollow
safetyprecautions.=;.,&.
Wintertires
Whendrivinginthewinter,yourvehiclewith
all-wheeldrivehasanadvantage,evenwith
regulartires.Inwinterroadconditionsitmay
be
advisabletomountwintertires(or all-sea­
sontires)forimproved driveabilityandbrak­
ing:
thesetiresmustbemountedonailfour
wheels.Seealso.=;.page213,Winter tires.~
Snowchains
Wheretirechainsaremandatoryoncertain
roads,thisnormallyalsoappliestovehicles
with
all-wheeldrive'=;'page214,Snow
chains.
Replacingwheels/tires
Vehicleswithall-wheeldrivemustalways
have
tiresofthesamesize. Alsoavoidtires
withdifferenttreaddepths.Fordetailssee
page.=;.page209,Newtiresandreplacing
tires
andwheels.
Off-Raaddriving?
YourAudidoesnothaveenoughgroundclear­
ance
tobeusedasan off-road vehicle.Itis
thereforebesttoavoidroughtracksandun­
eventerrainasmuchaspossible.Alsoreferto
'=;'page163.
&.WARNING
Alwaysadjustyourdrivingtoroadandtraf­
ficcond itions.Donotlettheextrasafety
affordedbyall-wheeldrivetemptyouinto
taking
extrarisks.
-
Althoughtheall-wheeldrive isveryef­
fective,alwaysrememberthatbraking
capacity
islimited bytiretraction.Vou
shouldthereforenotdriveatexcessive
speedsonicyorslipperyroadsurfaces.
-Onwetroadsurfaces,becarefulnotto
drivetoofastbecausethefrontwheels
couldbegintoslideontopofthewater
(aquaplaning).Ifthisshouldoccur, you
will have no
warningfromasuddenin­
creaseinenginespeedaswithafront­
wheeldrive vehicle. Alwaysdriveat
speedswhicharesuitedtotheroadcon­
ditions. -risk
ofcrash.
Intelligenttechnology
Energymanagement
Startingabilityisoptimized
Energymanagementcon troisthedistribution
ofelectricalenergyandthusoptimizesthe
availabilityofelectrical energyforstarting
theengine.
Ifavehiclewithaconventionalenergysystem
isnotdrivenfora long periodoftime,thebat­
teryisdischargedbyidlingcurrentconsumers
(e.g. immobilizer). Incertaincircumstancesit
can
resultintherebeing insufficientenergy
availabletostarttheengine.
Intelligentenergymanagementinyourvehi­
cle
handlesthedistributionofelectricalener­
gy.Startingabilityismarkedly improvedand
thelifeofthebatteryisextended.
Basically,energymanagementconsistsof
batterydiagnosis,idlingcurrentmanage­
mentanddynamicenergymanagement.
Batterydiagnosis
Batterydiagnosiscontinuouslydetermines
thestateofthebattery.Sensorsdetermine
batteryvoltage,batterycurrentandbattery
temperature.Thisdeterminesthecurrent
stateofchargeandthepowerofthebattery.
Idlingcurrentmanagement
Idlingcurrentmanagementreducesenergy
consumptionwhilethevehicleisstanding.
Withtheignitionswitchedoff,itcontrolsthe
energysupplytothêvarious electricalcompo­
nents.Datafrombatterydiagnosisisconsid­
ered.
Depending onthebattery'sstateofcharge,
individualconsumersaregraduallyturnedoff
topreventexcessivedischargeofthebattery
andthusmaintainstartingcapability.
Dynamicenergymanagement
Whilethevehicle isbeing driven,dynamicen­
ergy
managementdistributestheenergygen­
eratedaccordingtotheneedsoftheindividu-
al
components.Itregulatesconsumption,50
thatmoreelectricalenergyisnotbeingused~

Downloaded from www.Manualslib.com manuals search engine CheckingbrakefLuidLeveL
Beforeyoucheckanythingintheenginecom­
partment,aLwaysreadandheedailWARN­
INGS
q.&.inWorkingintheengine compart­
mentonpage182.
..Readthebrake fluidlevelfromthebrake
fluid reservoir
qfig.146.Thebrake fluid
level
mustbebetweenthe"MIN" and
"MAX"markings.
Fig.146Enginecompartment:brakefluidreservoir
Thebrake f/uidLeve/conbechecked witha
quick gLance.
.&.WARNING
-Toreducetheriskofpersonalinjurynev­
ertouchtheradiatorfan.
- The auxiliary electric
fanistemperature
controlledandcanswitch onsuddenly
evenwhentheengineisnotrunning.
- The auxiliary
radiatorfanswitchesonau­
tomaticallywhentheenginecooLant
reachesacertaintemperatureandwill
continuetarununtilthecoolanttemper­
aturedrops.
Brakefluid
The brake fluidreservoirislocated behindthe
rearpartitionoftheenginecompartmenton
theleftsideqpage184.
The fluidLevelmaydropslightLyaftersome
timeduetatheautomaticadjustmentofthe
brakepads.Thisisnotcauseforalarm.~
-theenginecompartmentheatsupbecause
thevehicleisparkedinintensesunlight.
Radiatorfan
CDNoteJ
-Coolantpollutestheenvironmentand
couldcauseanenginefire. Excess cool­
antwillbeforcedoutthroughthepres­
sure relief valve
inthecapwhentheen­
gine
becomeshot.
- If,
inanemergency,onlywatercan be
added,thecorrectratiobetweenwater
andantifreezeqpage189mustbere­
storedassoonaspossible.
Theradiator fanswitches onoutomaticallyby
itse/f.
•Forthesakeoftheenvironment
Drainedcoolantshouldnotbereused.Al­
waysdisposeofusedcoolantwhileobserv­
ing all
environmentalregulations.
-Taavoid beingburned,donotspillan­
tifreezeorcoolantontheexhaustsys­
temorhotengineparts.Undercertain
conditions,theethyleneglycolinen­
ginecoolantcancatchfire.
_Antifreeze ispoisonous. Alwaysstorean­
tifreezeinits originalcontainerandwell
outofthereachofchildren .
_Ifyoudrainthecoolant,itmustbe
caughtandsafeLystoredinapropercon­
tainerclearlymarked"poison".
Anauxiliary eLectricradiatorfan'switcheson
and off
dependingoncoolanttemperature
andothervehicleoperationconditions.
After youswitch
theengineoff,theauxiliary
fan can
continuerunningforupta10minutes
.even withtheignition off.Itcaneven switch
onagainlaterbyitselfq,&.,if
-thetemperatureoftheenginecoolantrises
due
totheheatbuild-upfromtheenginein
theenginecompartment,or
Theelectricradiatorfaniscontraliedbyther­
moswitchesthatswitch onandoffdepending
oncoolantandenginecompartmenttempera­
tUres.
.&.WARNING
-The coolingsystemisunderpressureand
cangetveryhot.Reducetheriskof
scaldingfromhotcoolantbyfollowing
thesesteps.
-Turnofftheengineandallow ittacool
down.
-
Protectyourface,handsandarmsfrom
escapingfluidandsteambycovering
thecap with alarge, thickrag.
- Turn
thecap slowlyandvery carefully
inacounter-clockwise directionwhile
appLying light,
downwardpressureon
thetopofthecap.
AddingcooLant•
Replacementenginecoolantmustconformto
exactspecificationsqpage189,Ca%nt.
Eveninanemergency, ifcoolantaddi-
tive G12++, G12+orG12 is
notavailable,do
notuseadifferentadditive. Useplainwater
insteaduntilyou cangetthecorrectadditive
andcanrestorethecorrectratio. Thisshould
be
doneassaonaspossible.
Ifyou havelostaconsiderableamountof
coolant,thenyoushouldaddcold antifreeze
andcoldwateronly whentheengineiscold.
Always use
newenginec- ..
Turn
offtheengine.
.. Lettheenginecool down.
.. Place athick ragover
thecoolantexpansion
tankqpage189,fig.145andcarefully
twistthecapcounter-clockwiseqA.
..Addcoolant.
..Twistthecapon againtight/y.
Before youcheckanythingintheenginecom­
partment,alwaysreadandheedailWARN­
INGS
qAinWarkingintheengine compart­
mentonpage182.
Beverycarefu/ whenadding enginecoo/ant.
Donotfillcoolantabovethe"MAX"mark.Ex­
cesscoolantwillbeforcedoutthroughthe
pressurerelief valveinthecapwhentheen-
gine
becomeshot."-
Toobtainanaccuratereading,theengine
mustbeswitchedoff.
The
location
ofthecoolantexpansiontank
canbeseenintheenginecompartmentillus­
tration.
CoolantLoss
Wh
en
thecoolantlevelistoolow,thewarning
Light
intheAuto-CheckSystemqpage17wilL
blink untilyouaddcoolantandtheleveLhas
beenrestoredtonormal.Eventhoughthereis
anelectriccoolantlevelsensor,westillrec­
ommend'youcheckthecoolantlevelfrom
timetotime.
Before youcheckanythingintheenginecom­
partment,alwaysreadandheedailWARN­
INGS
qAinWorking intheengine
compartmentonpage182.
..Parkyour vehicle50thatitishorizontally
level.
..Switchtheignition off.
..Readthecoolantlevelatthecoolantexpan­
sion
tankqfig.145.Witha coldengine,it
mustbeabovethe"min" mark.Withahot
engine,itcanbeaLittleabovetheindicated
range.
CDNote
Donotaddanytypeofradiatorleakseal­
anttayour vehicle'senginecooLant.Add­
ingradiatorrepairfluid mayadversely af­
fectthefunctionandperformanceofyour
coolingsystemandcouldresuLtindamage
notcoveredbyyourNewVehicle Limited
Warranty.
The
expansion
tankinyourvehicleisequipped
withanelectriccoolantlevel sensor.
Coolant lossmay indicate a
leakinthecooling
system.Intheeventofcoolantloss,thecool­
ing
systemshouldbeinspectedimmediately
byyourauthorizedAudidealer.Itisnot
enoughmerelytoaddcooLant.
In a
sealedsystem,Lasses canoccur onlyif
theboilingpointofthecooLantisexceededas
a
resultofoverheating.

Downloaded from www.Manualslib.com manuals search engine 216Tiresand\NheelsTiresand\Nheels217
Tirepressure
monitoringsystem
GeneralnotesApptiestovehicles:withtirepressuremonitoringsystem
Eachtire,includingthespare(ifprovided),
shouldbecheckedmonthlywhencoldandin­
flatedtotheinflationpressurerecommended
bythevehiclemanufactureronthevehicle
placard
ortireinflationpressurelabel.(Ifyour
vehiclehastiresofadifferentsizethanthe
sizeindicatedonthevehicleplacardortirein­
flationpressurelabel,youshoulddetermine
thepropertireinflationpressureforthose
tires.)
Asanaddedsafetyfeature,yourvehiclehas
beenequippedwithatirepressuremonitoring
system(TPMS)thatilluminatesa lowtire
pressuretelltalewhenoneormoreofyour
tiresissignificantlyunder-inflated.According­
ly,whenthelowtirepressuretelltaleillumi­
nates,youshouldstopandcheckyourtiresas
soonaspossible,andinflatethemtothe
properpressure.Drivingonasignificantlyun­
der-inflatedtirecausesthetiretooverheat
andcanleadtotirefailure.Under-inflational­
soreducesfuelefficiencyandtiretreadlife,
andmayaffectthevehicle'shandlingand
stoppingability.
PleasenotethattheTPMS isnotasubstitute
forpropertiremaintenance,anditisthedriv­
er'sresponsibilitytomaintaincorrecttire
pressure,evenifunder-inflationhasnot
reachedtheleveltotriggerilluminationofthe
TPMSlowtirepressuretelltale.
Yourvehiclehasalsobeenequippedwitha
TPMS
malfunctionindicatortoindicatewhen
thesystemisnotoperatingproperly.The
TPMSmalfunctionindicatoriscombinedwith
thelowtirepressuretelltale.Whenthesys­
temdetectsamalfunction,thetelltalewill
flashforapproximatelyoneminuteandthen
remaincontinuouslyilluminated.Thisse­
quencewillcontinueuponsubsequentvehicle
start-upsaslongasthemalfunctionexists.
Whenthemalfunctionindicatorisilluminat­
ed,thesystemmaynotbeabletodetector
signallowtirepressureasintended.TPMS
malfunctionsmayoccurfora varietyofrea­
sons,includingtheinstallationofreplace­
mentoralternatetiresorwheelsonthevehi.
cle
thatpreventtheTPMSfromfunctioning
properly. AlwayschecktheTPMSmalfunction
telltaleafterreplacingoneormoretiresor
wheelsonyourvehicletoensurethatthere­
placementoralternatetiresandwheelsallow
theTPMStocontinuetofunctionproperly.
Tire pressure indicator appears •
Appliestovehicles:withtirepressuremonitoringsystem
Thetirepressure indicatorintheinstrument
c/uster informs you
ifthetire pressureistoo
LoworifthereisasystemmaLfunction.
Fig.1S6Display: Systemmalfunction
UsingtheABSsensors,thetirepressuremoni­
toringsystemcomparesthetiretreadcircurn­
ferenceandvibrationcharacteristicsofthein­
dividualtires.Ifthepressuredecreasesinone
ormoretires,thisisindicatedintheinstru­
mentclusterwithawarningsymbolganda
messageqfig.155.The drivermessageinthe
displaygoesoutafter5seconds.Thedriver
messagecanbedisplayedagainbypressing
the[CHECKIbutton®qpage10,fig.3.Ifon­
lyonetireisaffected,thedisplaywillindicate
itsposition.
Thetirepressuremonitoringmustberesetin
themenudisplayeachtimethepressuresare
adjusted(e. g.whenswitchingbetweenparti­
alandfullloadpressure)orafterchangingor
replacing atireonyourvehicleqpage218.
Voucanfindtherecommendedtirepressures
foryourvehicleonthelabelonthedriver's
door pillar
qpage202.
Tiretreadcircumferenceandvibrationcharac·
teristicscanchangeandcauseatirepressure
warningif:
_thetirepressureinoneormoretiresistoo
low,
-
thetirehasstructuraldamage,
_thetirepressurewaschanged,wheelsrotat­
edorreplacedbuttheTPMSwasnotreset
qpage218.
Warning symbols
[D]Lossofpressureinatleastonetireq/D,.
Checkthetireortiresandreplaceorrepairif
necessary. The
indicatorlightgintheinstru­
mentclusteralsoilluminatesqpage13.
Check/correctthepressuresofallfourtires
andresetTPMSinthemenudisplay.
~(TirePressureMonitoringSystem)Tire
pressure!Systemmalfunction.IflDmap­
pearsafterswitchingtheignitiononorwhile
drivingqfig.156andtheindicatorlightgin
theinstrumentclusterblinksforapproxi­
matelyoneminuteandthenstayson,thereis
a
systemmalfunction.Seeyourauthorized
Audidealerassoonaspossible.
AWARNING
-Ifthetirepressureindicatorappearsin
theinstrumentclusterdisplay,oneor
moreofyourtiresissignificantlyunder­
inflated.Reduceyourspeedimmediately
andavoidanyhardsteeringorbraking
maneuvers.Stopassoonaspossibleand
checkthetiresandtheirpressures.In­
fla
tethetirepressuretotheproperpres-
sureasindicatedonthevehicle'stire
pressurelabelqpage202.Drivingona
significantlyunder-inflatedtirecauses
thetiretooverheatandcanleadtotire
failure.Under-inflationalsois likelyto
impairthevehicle'shandlingandstop­
ping ability.
-
Thedriverisresponsibleformaintaining
thecorrecttirepressures.Youmust
checkthetirepressuresregularly.
-
Undercertainconditions(suchasaspor­
tydrivingstyle,winterconditionsorun­
paved
roads),thepressuremonitorindi­
catormaybedelayed.
- AskyourauthorizedAudidealerif run­
flattiresmaybeusedonyourvehicle.
Your vehicle
registrationbecomesinvalid
if
yàuusethesetireswhennotpermit­
ted.Damagetoyourvehicleoraccidents
couldalsoresult.
-Ifyouswitchbetweenstandardandrun­
flattires,anauthorizedAudidealeror
qualifiedworkshopmustreprogramthe
controlmodule.
1Tips
- The
tirepressuremonitoringsystem
stopsworkingwhenthereis an ESP/ABS
malfunction.
-Usingsnowchainsmayresultin asystem
malfunction.
-Tireswiththeidentification"AD"or"RD"
have
beenspeciallymatchedwithyour
Audi.Werecommendusingonlythese
tiresbecausetheymeetthehighest
standardsregardingsafetyanddriving
characteristicswhenusedcorrectly. Your
authorizedAudidealerwillgladlypro­
vide you
withmoreinformation.

Downloaded from www.Manualslib.com manuals search engine Whatdo1donow?22!
Afteryouchangeatire:
Notesonwheelchange
andthehub. Remove alldirtfromthese
surfaces beforeremountingthewheel.
Aunidirectional tirecan be identified
byar­
rows onthesidewall, whichpointinthedirec­
tion
oftherotation.Youmustfollowthe
specified directionofrotation.Thisisnecessa­
ryin·orderforthesetirestodeveloptheirop­
timumcharacteristics regardinggrip,road
noise, wear,andhydroplaning.
Tireswith unidirectional treaddesignmustbe
mountedwiththeir tread pattern pointedthe
rightdirection.
sensorforthetirepressure monitoring
systemwillhavetobereplacedbyaquali­
fied workshop.
Tireswithunidirectionaltreaddesign
-
JCDNote
.&.WARNING
-
Ifyou aregoingtoequip yourvehicle
with tires
orrims which differfromthose
whichwerefactory installed,thenbe
sure
toreadtheinformationqpage209,
New tires andreplacing tires
and
wheels.
-AlwaysstorethetooLssecurelyinLug­
gagecompartment.Otherwise,inanac­
cident or
suddenmaneuvertheycouldfly
forward, causing
injurytopassengersin
thevehicle.
Donotusecommercially availabletire
seaLants. Otherwise,
theelectrical compo­
nentsofthetirepressure monitoring sys­
temwillnolongerworkproperly andthe
Pleasereadtheinformationqpage209,New
tires andreplacing tiresandwheels,
ifyou are
going
touse aspare tirewhichisdifferent
fromthetiresonyour vehicle.
_ Check
thetirepressureonthespareimme­
diatelyaftermounting.
- HavethewheelboIttighteningtorque
checkedwithatorquewrenchassoonas
possible byyourauthorizedAudidealeror
aqualified servicestation.
-Withsteelandalloywheelrims,thewheel
boltsarecorrectlytightenedatatorqueof
90ftlb(120Nm).
-
Ifyounoticewhitechangingatirethatthe
wheelboLtsarecorrodedanddifficultto
turn,then theyshouldbereplaced before
you check
thetighteningtorque.
-ReplacethefIattirewithanewoneand
have itinstalledonyourvehicleassoonas
possible.Remountthewheelcoyer.
Until
then,drivewithextracareandatre­
duced
speeds.
CDNote
Whenremovingorinstallingthewheel,
therim could hitthebrakerotoranddam­
agetherotor. Workcarefully andhave a
secondperson helpyou
iTips
Never usethehexagonalsocketinthehan­
dle
ofthescrewdrivertoloosenortighten
thewheelbolts.
- Pull
thereversible bladefromthescrew­
driver before youuse
thehexagonal
socketinthehandletoturnthewheel
bolts.
-
Whenmounting tireswith unidirectional
treaddesignmakesurethetreadpat­
ternispointedtheright way
qpage229.
-The wheel boltsshould beclean andeasy
toturn.Checkfordirtandcorrosion on
thematingsurfacesofboththewheel
Puttingonthewheel
~Liftthesparewheelandcarefully slideit
over
thealignmentpintoguide itinplace
q(D.
~Usethehexagonalsocketinthescrewdriver
handletoscrewinandtightenallwheel
bolts
slightly.
~Unscrewthealignmentpin andinsertand
tightentheremainingwheelbolt slightly
like
therest.
~Turnthejack handle counter-clockwise to
lower
thevehicle untilthejackisfullyre­
leased.
~Usethewheelboltwrenchtotightenall
wheelbolts firmlyqpage226.Tighten
themcrosswise,fromonebolttothe(ap­
proximately)
oppositeone,tokeepthe
wheelcentered.
~Screwthethreadedendofthealignment
pin fromthetoolkithand-tightintothe
nowvacantbolt holeqfig.172.
~Then completely unscrewtheotherwheel
boltsasdescribed above.
~Takeoffthewheelleavingthealignment
pininthebolthole.
Taking
thewheeloff
Fig.171WheeL change: usingthescrewdriverhandLe(withthebLaderemoved)toturntheboLts
Fig.
172Wheel change: aLignment pininside thetophoLe
Removingthewheel
~Usethehexagonalsocketinthescrewdriv­
erhandletocompletelyturnoutthetop­
mostwheelboltandsetitaside onacleon
surfaceqfig.171.
Follow theseinstructions step-by-step for
changing
thewheel.
- Makesurethatpassengerswaitina
safeplace awayfromthevehicle and
well away from
theroadway andtraffie.
- Make
surejack positioniscorrect, ad­
justasnecessary andthencontinueto
raisethejack.
After youhave loosened all
wheelboltsand
raised
thevehicle offtheground, performthe
followingstepstoremoveandreplacethe
wheel:
KDNote
Afloor jackorthepadsonthehoistarms
mustnotbepositionedatthepoints
shown
-arrows-.