air suspension AUDI TT 2012 Owners Manual

Downloaded from www.Manualslib.com manuals search engine ~---180OntheroadOntheroad--------------------------------_--..:-=---=~=--=-==
Potentialmalfunctions
Therangeatwhichthesensorsstarttomeas­
ureisabout:
2feet(0.60m)
S
feet(1.60m)
Tatheside
Centerrear
Fortheparkingassisttooperate,thesensors
mustbekeptcleanandfreeofice.
&.WARNING
-Sensarshave blindspotsinwhichabjects
cannotbedetected.Payspecialattention
Whenthedistanceislessthanlfoot(0.30
ml.thetonebecomescontinuous.Atthis
pointyoushouldstopbacking up.
Please
notethatlowobjectsalreadysignalled
byawarning candisappearfromthesystem's
detectionrangeandwillnotcontinuetobe
signalled.
Ifa warningbuzzersoundsfor afewseconds
whentheignitionisswitchedon,thereis a
systemmalfunctianwiththeacoustic parkas­
sist.
Ifthemalfunctionpersistsuntiltheigni­
tion
isswitchedoff,therewillbenoacoustic
warningatthenextattempttoactivatethe
system.Havetheproblemcorrected.
Activation
Thereisnoconfirmationtonewhenreverse
gearisengagedifthereisasystemmalfunc­
tian.
The parkingassistisactivatedwhenreverse
gearisengaged.Abrieftoneconfirmsthat
thesystemisactivated.
chimescanbeadjustedthroughthemenudis­
play
qpoge 25.
Backingup
Distance warningwhenbackingupstarts
whenanobstacleisdetectedintherangeof
!heparkassistsystem.Asthedistancede­
creases,
thetimeintervalbetweentheaudible
tonesbecomesshorter.
Aeoustie parkassist givesawarning obout
obstocles behindthevehicle.
Description
The rear acoustic parkassist(4-channel
acousticparkassist)determinesthedistance
ofthevehiclefromanobstacleusing ultra­
sonic
sensors.Thesensorsareintherear
bumper. The
volumeandthepitchofthe
Appliestavehicles:with4-channel acousticparkassist
Acousticparking
system
Rearacousticparkassist
~Toswitchsportmodeon,pressthebutton
inthecenterconsole. Theindicatorlight
turnson.
~Toswitchsportmodeoff,pressthebutton
inthecenterconsoleagain.Theindicator
light
turnson.
Fig.85Buttoninthecenter console
CDTips
Ifthereisamalfunctionintheretractable
rear spoiler*ortheAudimagneticride*, it
may
notbe possibletoactivatesport
mode.
A
more agile
andsportydrivingstyleispossi­
ble when driving
thevehicle in"sportmode".
Thismodeaffectsthrottleresponseandthe
soundoftheengine,thesteeringcharacteris­
tics
foramoredirectpowersteeringresponse
andthedampingcharacteristicsoftheAudi
magnetic ride
fordynamicsuspensiontuning.
sportmode
APpliestavehicles:withSportbutton
Fig.84Center console: SwitchforAudimagnetic ride
Audimagneticride
Appliestavehicles:withmagnetic ride
IDTips
Thewarning/indicatorlightEintheinstru­
mentclustercomesonintheeventofa
malfunction.Drivetotheclosestauthor­
izedAudidealerassoonaspossibleand
havethemalfunctionrepaired.
Damping conbeadjusted tothe driver's pref­
erence ond
itadapts automaticolly totheeur­
rentdriving situation.
~Presstheswitchqfig.84toturnsportset­
tingonoroff.
Audi
magneticrideisanelectronically con­
trolleddampingsystem.Thischassissystem
assiststhedriverbyadaptingtotheparticular
situationthroughimperceptiblecontrolproc­
esses.Thedampingprovides individual modu­
lationofdampingforces.Forexample,with
dampingcharacteristicssettoprovidegreater
comfort,dampingissetsomewhatharderfor
abriefperiodonlyas--required,whenrounding
a curve
andwhen braking.
Standardsetting
Selectthestandards~ingifyoupreferasus­
pensionsettingemphasiz~gcomfort.
Sportsetting
Selectthesportsettingif youpreferasporty
suspensionsetting.TheLEDintheswitchE
cornes ontoindicatesportsetting.
&.WARNING
Youshouldonlyreturntothesavedspeed
ifitisnottoofastforthecurrenttraffic
conditions -risk
ofanaccident!
~Turn ontheignition.
~Pullleverintoposition@qpoge 79,
fig.82.
~PresstheleverintheCVor0directionto
increaseordecrea~eyourspeed.
~Releasethelevertosavethatspeed.
Temporarydeactivation
~Pressthebrakepedal,or
~Pressthelever intoposition@(notclicked
into place)
qpage79,fig.82,or
~DriveforlongerthanSminutesatmore
thanSmph(10km/hlabovethestored
speed.
Switchingthesystemoff
Presettingyourspeed
Youconpresetyour desiredspeedwhile the
vehicle
isnotmoving.
Thisfunctionmakesit possible,forexample,
tosavethespeedyouwantbeforedriving on
thehighway. Onceonthehighway, activate
thecruisecontrolbypullingthelevertoward
@.
Switchingoffcompletely
~Pressle.verintoposition@(clicked into
place), or
~Switchtheignition off.
The
systemretainsthesavedspeedif you de­
activatethecruisecontroltemporarily.Tore­
sumethesavedspeed,releasethebrake ped­
alandpullthelevertoposition@.
Switchingtheignitionofferasesthesaved
speed.
b

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 208Tiresandvvheels
0:>fig.152runningacrossthetread.Depend­
ing on
themake,therewill besixtoeightof
themevenlyplacedaroundthetire. Marks on
thetiresidewall(forexample"TWI"orother
symbols)indicatethepositionsofthetread
wearindicators. Worntiresmustbereplaced.
Different
figuresmay applyinothercountries
o:>A.
Tirepressure
Incorrecttirepressurecausesprematurewear
andcancausesuddentireblow-out. Forthis
reason,tirepressuremustbecheckedatleast
once amonth0:>page204.
Drivingstyle
Drivingfastaroundcurves, heavyacceleration
and hard braking increase tirewear.
Rotatingtiresformoreevenwear
Forallfourtiresonyour vehicletohavethe
sameservice life,werecommendthatthe
frontandreartiresarerotatedaccordingto
thetiremanufacturer'ssuggestedtire rota­
tion intervals.
Pleaserememberthefollow­
ing:
- Tire
rotationintervalsmay differfromthe
vehicle service intervalsoutlinedinyour
Warranty&MaintenanceBooklet.
- The
longeronetireisusedinonelocation
onthevehicle,themoreitwearsatcertain
points;therefore,werecommendthatyou
follow
thetiremanufacturer'ssuggested
tirerotationintervals.
- Vehicles with
front-wheeldriveexperience
moretreadwearonthefrontwheelscom­
pared
toall-wheeldrive(quattro"').
- Pleaserotatetiresasshown0:>fig.153.
-Extra caremustbetakenwhenrotatingdi-
rection-specifie tires
0:>page229.
Wheelbalancing
Thewheelsonnewvehiclesarebalanced.
However, varioussituationsduringeveryday
driving can
causethemtobecomeunbal­
anced,resultinginvibrations youcanusually
feelthroughthesteeringwheel.
-----Unbalancedwheelsmustberebalancedto
avoid excessivewearonsteering,suspension
and tires. A
wheelmustalsoberebalanced
whenanewtireisinstalled.
Incorrectwheelalignment
Incorrectwheelalignmentcancauseexces­
sive tirewear, impairing
thesafetyofthevehi­
cle.Iftiresshowexcessive wear,havethe
wheelalignmentcheckedbyanauthorized
Audi
dealerorqualified workshop.
all-wheeldrive
Vehicleswithquattro"'mustalwayshavetires
ofthesamesize,constructionandtreadtype.
For
detailssee0:>page158.
.&.WARNING
Suddentire failure canleadtolossofcon­
trol,acrash andseriouspersonalinjury!
- Never driveavehicle
whenthetreadon
any tireisworn downtothewearindica­
tors.
-Worn tiresareasafetyhazard,theydo
notgrip well onwetroads andincrease
yourriskof"hydroplaning" andlossof
control.
- Always keep
chemicalsthatcancause
tiredamage,suchasgrease,oil,gasoline
andbrake fluidawayfromtires.
- Tires
ageeven iftheyarenotbeing used
andcanfailsuddenly, especiallyathigh
speeds.Tiresthataremorethan6years
old can only beused
inanemergency
andthenwith special careandatlower
speeds.
-Nevermountusedtireson your vehicleif
youarenotsureoftheir"previous histo'
ry."
Oldused tiresmayhave beendam'
agedeventhoughthedamagecannotbe
seenthatcanleadtosuddentirefailure
andlossofvehicle control. New
tiresandreplacingtiresandwheels
Newtiresandwheels
havetobebroken in.
Fig.154Tirespecification codesonthesidewall ofatire
No.Description
@Passengercartire(where applicable)
®Nominal widthoftireinmillimeters
®Ratioofheighttowidth(aspectratio)
@Radial
®Rimdiametercode
®Loadindex andspeedrating
®AudiOriginal tire
@Tireplycompositionandmaterialsused
@Maximum loadrating
@Treadwear,tractionandtemperature
grades
@Maximum permissible inflationpres­
sure
Thetiresandrimsareessentialpartsofthe
vehicle's design.Thetires andrims approved
byAudiarespeciallymatchedtothecharac­
teristics
ofthevehicleandcanmakea major
COntribution
togood roadholding andsafe
Tiresandvvheels20
handling wheningoodcondition andproperly
inflated0:>A.
Werecommendthatallwork ontires and
wheelsbeperformedbyanauthorized Audi
dealer. Theyarefamiliar with
recommended
proceduresandhavethenecessary speciaL
toolsandsparepartsaswellastheproperfa­
cilities fordisposing
oftheoLdtires.
Authorized Audi
dealershavethenecessary
information
abouttechnicalrequirementsfor
installing
orchanging tiresandrims.
ReplacingtiresandwheeLs
Tiresshould bereplacedatleastinpairsand
notindividually (forexamplebothfronttires
orbothreartirestogether).
Se sure
toread andheedtheinformationto
thetirepressuremonitoringsystem
0:>page216.
Always buyreplacementradialtiresthathave
thesamespecifications asthetiresapproved
foryourvehiclebyAudi.Replacementtires
mustalways havethesameloadrating speci­
fication
astheoriginalequipmentor approved
optionaL tireslisted
inthetableo:>page202.
Audi-approved specificationtiresarespecially
matchedtoyourvehicleanditsload limits,
andcancontributetotheimportantroadhold­
ing, driving characteristics, and
safetyofthe
vehicle.Thetable(0:>page202)listsspecifica­
tionsofthetires approved fortheAudimod­
elscoveredbyyourOwner's Literature.
The tire
pressurelabellocatedondriver'sside
S-pillar
(0:>page202,fig.151)liststhespeci­
fications
oftheoriginalequipmenttires in­
stalledonyour vehicleatthetimeitwasman·
ufactured.
Federallawrequires tiremanufacturersto
placestandardizedinformation ontheside­
wall
ofall tires0:>fig.154.This information
identifies anddescribes
thefundamental
characteristics,thequalitygradeofthetire
andalso provides atireidentificationnumber
forsafetystandardcertification andincaseof
arecall.~