traction control AUDI TT 2012 Owners Manual

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Tel.:(800)822-2834
---
Intelligenttechnology
Noticeaboutdata
recordedbyvehicle
controlmodules
yourvehicleisnotequippedwithanEventDa­
taRecorder(EOR),installedbysornemanu­
facturersfortheexpresspurposeofcapturing
dataforretrievalafteranaccidentorcrash
event.
EOR'saresometimescalled"crashre­
corders" .
Some
statelawsrestricttheretrieval ordown­
loading
ofdatastoredbyEDR'sthatwerein­
stalled
ina vehicle fortheexpresspurposeof
retrievingdataafteranaccidentorcrash
event
withouttheowner'sconsent.
Althoughyourvehicleisnotequippedwithan
EOR,itisequippedwith anumberofelectron­
iccontrolmodulesforvarious vehiclesystems
suchas,forexample,enginefunction,emis­
sioncontrol,aswell asfortheairbagsand
safety belts.
These electronic
controlmodulesalsorecord
vehicle-related
dataduringnormalvehicle op­
eration
fordiagnosticandrepairpurposes.
The recording capacityoftheelectroniccon­
trol
modulesis limitedtodata(nosoundisre­
corded)
andonly asmallamountofdataisac­
tually recorded overavery limited period
of
timeandstoredwhenasystemfaultorother
condition issensedbyacontrolunit.Someof
thedatathenstoredmayrelatetovehicle
speed, direction, braking
aswellasrestraint
systemuseandperformanceintheeventofa
crash or
othercondition.Storeddatacanonly
bereadanddownloadedwithspecialequip­
ment.
ElectronicstabiLization
program(E5P)
Description
ESPhelpstoimprove roadholdingandvehicle
dynamics
tohelpreducetheprobabilityof
skiddingandlossofvehiclecontrol.Itworks
only
whentheengineis running.ESPdetects
certaindifficult drivingsituations,including
whenthevehicleisbeginningtospin(yaw)
outofcontrolandhelpsyoutogetthevehicle
back
undercontrolbyselectively brakingthe
wheels,and/orreducingenginepowerand
providingsteeringassistancetohelpholdthe
vehicle onthedriver'sintendedcourse. Thein­
dicatorlightDlintheinstrumentcluster
blinkswhenESPistakingactiontohelp you
controlthevehicle.
ESPhaslimitations.Itisimportanttoremem­
berthatESPcannotovercomethelawsof
physics.Itwillnotalways beabletohelpout
underallconditionsyoumaycomeupagainst.
Forexample,ESPmaynotalways beableto
helpyoumastersituationswherethereisa
sudde!lchangeinthecoefficientoffrictionof
theroadsurface.Whenthereisasectionof
dryroadthatissuddenlycovered withwater,
slushorsnow,ESPcannotperformthesame
wayitwould onthedrysurface.Ifthevehicle
hydroplanes(ridesonacushionofwaterin­
steadoftheroadsurface),ESPwillnotbe
abletohelp yousteerthevehiclebecausecon­
tactwiththepavementhasbeeninterrupted
andthevehiclecannotbebraked orsteered.
Ouringfastcornering, particularly onwinding
roads,
ESPcannotalwaysdealaseffectively
with difficult driving
situationsasatlower
speeds.
Alwaysadjustyourspeedanddrivingstyleto
road,traffiçandweatherconditions.ESPcan­
notoverridethevehicle'sphysicallimits,in­
creasetheavailabletraction,orkeep avehicle
on
theroad ifroaddepartureisaresultof
driverinattention.Instead,ESPimprovesthe
possibilityofkeepingthevehicleundercon­
trolandontheroadduringextrememaneu­
versbyusingthedriver'ssteeringinputsto
helpkeepthevehicle goingintheintendeddi­
rection.
Ifyou aretravelingataspeedthat
causesyoutorunofftheroadbeforeESPcan
provide anyassistance,youmaynotexperi­
encethebenefitsofESP.
ESPincludesand/orworkstogetherwiththe
anti-lock brakesystem(ABS),brakeassistsys-
temandanti-slipregulation(ASR).ESPis~

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Switchingon
Pressthe[!Jbuttonagain.ThemessageStabi­
Lisationprogramonappearsbrieflyinthedis­
play.
switchingESPoff(sportmode)
Incertainsituations,itmightmakesenseto
alLowsomeslip. Forexample:
_Rockingthevehicletofreeitwhenitisstuck
_Drivingindeepsnoworonlooseground
_Drivingwithsnowchains
Press
the[!Jbutton.TheESPindicatorlightfi
turnsonandStabilisationprogramoffap­
pearsinthedispLay.A5Rdeactivatescom­
pletely
andthestabilizationeffectsfromthe
ESPsystemarelimited.
SwitchingESPoff
Pressandholdthe[!Jbuttonforthreesec­
onds.TheESPindicatorlightmturnsonand
Stabi,Lisationprogramoffappearsinthedis­
play.
ASRisalsoswitchedoffwhenESPis
switchedoff.
.&.WARNING
YoushouldonlyswitchtheESPoffifyour
driving abilityandthetrafficsituationaL­
Low.ThiscouLdincreasetheriskofslip­
ping.
- The
stabilizingfunctionis limitedinESP
sportmode.The drivingwheelscould
spinandthevehiclecouLdswerve,espe­
cially onslickorslipperyroadsurfaces.
-Thereisno vehiclestabilizationwhen
ESPisswitchedoff.
Switchingon
Pressthe[!Jbuttonagain.ThemessageStabi­
Lisationprogramonappearsbrieflyinthedis­
play.
ESPsportmode
Incertainsituations,itmightmakesenseto
allowsomeslip. Forexample:
-Rockingthevehicletofreeitwhenitisstuck
- Drivingindeepsnoworonlooseground
-Drivingwithsnowchains
Pressthe[!JbuttonbriefLyqfig.134.TheIl
indicatorlightturnsonandSportcontroL
Warning!RestrictedstabiLityappearsinthe
driverinformationsystemdisplay. Drivingsta­
bilityislimitedinsportmode.
I~Tips
IfthereisamalfunctionintheretractabLe
rearspoiler*ortheAudimagneticride',it
maynotbepossibletoactivateESPsport
modeornormalmodemayactivateagain
automatically.
J
Fig.134Centerconsole:ESPOFFbutton
TTRS:Switchingon/off
iTips
Iftherearefaultsintherearspoilersys­
temorinAudimagneticride,itmaynotbe
possibLetoactivateESPsportmodeor
normaLmodemayactivateagainautomat­
ically.
AWARNING
OnlyswitchESPsportmodeonwhenyour
drivingabilitiesandthetrafficsituation
permit.Pleasenotethatthedriving
wheelscanspinandthevehicle canbreak
awayinESPsportmode,especiallywhen
theroadisslippery.
ESPturnsonoutomotically whenyoustort
theengine.
Appliestavehicles:TIR5Coupe
totakerisks. Doing50willincreasethe
riskofalossofvehiclecontrol,collision
andseriouspersonalinjuries.
-
ALwaysadaptyourspeedtoroad, traffic
andweatherconditions.TheriskofLos­
ingcontrolofthevehicleincreaseswhen
drivingtoofast,especiallythrough
curvesandonslipperyorwetroads,and
whendrivingtooclosetavehiclesup
ahead.ESP,ABS,thebrakeassistsystem,
EDLandASRcannatpreventcollisions.
- Always
acceleratewithspecialcare on
even,smoothsurfacessuchasthosethat
arewetorcoveredwithiceandsnow.
The drive
wheelscanspineven with
theseassistancesystemsthatcannotal­
ways
helptareducetheriskoflossofve­
hicle
control.
tWJTips
-ABSandASRonly work correctLywhen
allfourwheelsareequippedwithidenti­
cal
tires.Different tiresizescanLeadtoa
reductioninenginepower.
-
Youmayhearnoiseswhenthesystems
describedareworking.
-
IftheindicatorlightJjJor~(USA
modeLs);t§l(Canadamodels)appears,
theremaybeamalfunctionqpagelB,
qpoge17.
Fig.133Center console:ESPOFFbutton
TT/TTS:Switchingon/off•
ESPturnsonautomotically whenyoustart
theengine.
Appliestovehicles:TICoupe andTIS Coupe
Brakeassistsystem
The brakeassistsystemcandecreasebraking
distance.ltincreasesbrakingpowerwhenthe
driverpressesthebrake pedaLquicklyinemer­
gencysituations.Youmustpressandholdthe
brakepedaluntilthesituationisover.
ELectronic
differentiaLLock(EDL)
switchedon allthetime.Incertainsituations
whenyouneedlesstraction,you canswitch
offESPbypressingthebutton[!J.Besureto
switchESPonagainwhenyou nolongerneed
lesstraction.
.&.WARNING
-ESP,ABS,ASRandEDLcannotovercome
thelawsofphysics. Thisisespeciallyim­
portantonslipperyorwetroads.Ifthe
systemsbeginactingtostabilizeyourve­
hicle, youshouLd
immediatelychange
yourspeedtomatchtheroadandtraffic
conditions.Donotlettheincreasedsafe­
typrovided bythesesystemstemptyou
Anti-sLip
reguLation(ASR)
ASRreducesenginepowerwhenthedrive
wheelsbegintospinandadaptstheforceto
theroadconditions.Thismakesiteasierto
start,accelerateanddrive
uphills.
Anti-Lock
brakingsystem(ABS)
ABSpreventsthewheelsfromlockingup
whenbraking.
Thevehicle canstillbesteered
evenduringhardbraking. Applysteadypres­
suretothebrakepedaloDonotpumptheped­
aloApulsinginthebrakepedalindicatesthat
thesystemishelpingyoutobrakethevehicle.
The
EDLbrakeswheelsthatarespinningand
transfersthedrivepowertotheotherdrive
wheelorwheelsifthevehicleisequippedwith
all-wheeL drive".ThisfunctionisavailabLeup
toabout60mph(100km/hl.
Inextremecases,EDLautomaticallyswitches
offtohelpkeepthebrake onthebrakedwheel
fromoverheating.EDLwillswitch onagainau­
tomaticallywhenconditionshavereturnedto
normal.

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156Intelligenttechnology
RearspoiLer
Appliestovehicles:withretractable rearspoiler
Therear spoiler improves vehiclehandling
andenhances drivercontrol.
Fig.13S$witchforrearspoiler
The rearspoilerdeploysandretracts.Spoiler
operationcanbesetforautomaticormanual
operation.
Automaticmode(normaloperation)
-Automaticdeployment:Ataspeedofabout
7Smph(120km/h),therearspoilerdeploys
automatically.
-
Automaticretraction:Whenspeeddropsbe­
low
about50mph(80km/h),therearspoil­
erretractsautomatically.
Manualmode
-Manualdeployment:Tapping brieflyonthe
switchc:>fig.135deploystherearspoiler.
- Manual retraction: At
speedsuptoabout
10mph(20km/h),retracttherearspoiler
bypressingandholdingtheswitch
c:>fig.135.Atspeedsbetween10mph(20
km/h)and7Smph(120km/h),retractthe
rearspoilerbytappingontheswitch
c:>fig.135.
.&WARNING
Driving
athigherspeedswithouttherear
spoilerdeployed canimpair handling char­
acteristics, making
thevehicleharderto
control.
-Always makesurethatthespoilerisde­
ployed
whendrivingatspeedsover
85mph(140km/h).Iftherearspoiler
warning/indicatorlightintheinstru-
mentclustercomeson,therearspoiler
maynothavedeployed.
- Never driveatspeedshigherthan
85mph(140km/h) ifthespoilerisnot
deployed. Havethespoilerinspectedas
soonaspossiblebyanauthorizedAudi
dealerorqualifiedworkshop.
- Always obey
speedlimitsandothertraf­
fic laws.
.&WARNING
Improperoperationoftherearspoilercan
causecrushing injuries.
- Always make
surethatnobody, especially
children, is
inthewaywhentherear
spoilerisdeployedorretracted.
CDNote
Neverpushthevehicleorapplyforceto
therearspoiler-it could bedamaged.
@Tips
Cleanthespoilercompartmentevery2to
3months.Thespoilercompartmentmust
alwaysbefreeofice,snow, leavesorother
debris.
Braking
Generalinformation.r
WhataffectsbrokingeffiLiency?
'-Operatingconditionsanddrivinghabits
Thebrakesontoday'sautomobilesarestill
subjecttowear,dependinglargely onoperat­
ing
conditionsanddrivinghabitsc:>A.Onve­
hiclesthatareeitherdrivenmostlyinstop­
and-gocity trafficoraredriven hard,the
brakepadsshouldbecheckedbyyourauthor­
ized Audi
dealermoreoftenthanspecifiedin
theWarranty&Maintenancebooklet.Failure
tohave your brakepadsinspectedcanresult
inreducedbrakeperformance.
Onsteepslopes,youshouldusethebraking
effectoftheengine.Thisway, youpreventun­
necessarywearonthebrakesystem.Ifyou
mustuseyour brakes, donotholdthebrakes~
downcontinuously.Pumpthebrakesatinter­
vals.
Noises mayoccur when braking
dependingon
thespeed,braking forceandoutsidecondi­
tions
suchastemperatureandhumidity.
Moistureorroadsalt
Undercertainconditions,forexa mple,when
drivingthroughwaterorvery heavy rain,or
evenafterwashingyourvehicle,thebraking
effect can
bereducedduetomoisture(orin
freezingconditionsice)onthebrake pads.A
few
cautiousbrakeapplicationsshoulddryoff
thebrakepadsor remove anyicecoatings.
Theeffectivenessofthebrakescanbereduced
when
thevehicle isdriven onasalt-covered
road
andthebrakesarenotused. Likewise,
you clean
offaccumulatedsaltcoatingfrom
brake discs
andpadswithafewcautiousap­
plications
ofthebrakec:>A.
Corrosion
There maybeatendencyfordirttobuildup
on
thebrakepadsandcorrosiontoformon
thediscs ifthecarisnotdriven regularly or
onlyforshorttripswithlittleuseofthe
brakes.
Ifthebrakesarenotusedfrequently,orifcor­
rosion has
formedonthediscs,itisadvisable
tocleanoffthepadsanddiscsbybraking
firrnlya
fewtimesfromamoderatelyhigh
speed
c:>A.
Faultsinthebrakesystem
Ifyoushouldnotice asuddenincreasein
brakepedaltravel,thenoneofthetwobrake
circuits mayhave failed
c:>A.
Lowbrakefluidlevel
Malfunctions canoccurinthebrakesystemif
thebrake fluidlevelistoolow.Thebrake fluid
level is
monitoredelectronically.
Brake
booster
The brakeboosterincreasesthepressurethat
Yougeneratewiththebrake pedaloItworks
only when
theengineisrunning.c:>A
Intelligenttechnology
Brakeliningwearstatus
Brake liningwearmaybecheckedbyvisual in­
spectionoftheconditionofthebrakepads
throughtheopeningsinthewheel.Ifneces­
sary,
thewheelmayberemovedforthisin­
spectionc:>page225,WhatshouldI be
aware
ofwhenchanging atire?
ÂWARNING
-
Youshouldperformbrakingmaneuvers
forthepurposeofcleaningthebrake
systemonly ifroadconditionspermit.
Otherroadusersmustnotbeputatrisk­
'you maycauseanaccident!
- Before
descendingasteepgrade,reduce
speedandshifttransmissioninto alower
gearorlower driving range.Donotride
thebrakesorholdthepedaldowntoo
long ortoooften.Thiscouldcausethe
brakestogethotanddiminish braking
efficiency.
-
Donot"ridethebrakes"byrestingyour
footonthepedalwhenyoudonotintend
tobrake. Thismaycausethebrakesto
overheat,prematurewearandincreased
stoppingdistance.
-Undercertainclimaticandoperating
conditionssuchaspassingthroughwa­
ter, driving
inheavy rainorafterwashing
thevehicle,theeffectivenessofthe
brakescanbereduced.Inwinter, icecan
accumulateonthebrakepads,linings,
discs
anddrums.Carefully applybrakes
foratest.Brakeswilldryandicecoat­
ings will
becleanedoffafterafew care­
fulbrakeapplications.
-Drivingforanextendedperiodoftimeon
salt-coveredroadswithoutusing your
brakes can
alsoaffectbraking efficiency.
Clean
offaccumulatedsaltcoatingfram
brake discsandpadswithafewcautious
brakeapplications.
-Ifyoudamagethefrontspoiler, orifyou
installadifferentspoiler,besuretheair
flow
tothefrontbrakesisnotobstruct-
ed.Otherwisethebrakesystemcould~

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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~

Page 106 of 132

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
<VU.S.DOTtireidentificationnumber
®AudiOriginal tire
<IDSeversnowconditions
@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.~

Page 107 of 132

Downloaded from www.Manualslib.com manuals search engine ~T~i~re~s-.:a~n~d~vv~h&#39;.&#39;:e~e~l=s~______
Tirespecifications
Knowledgeoftirespecificationsmakesiteas­
ier
tochoosethecorrecttires. Radialtires
havethetirespecificationsmarked onthe
sidewall,forexample:
P245145R1795H
This
containsthefollowinginformation:
PIndicatesthetire isforpassengercars
245Nominaltirewidthinmmofthetire
fromsidewalledgetosidewalledge.In
general,thelargerthenumber,thewider
thetire
45Height/widthratioinpercent(aspectra-
tio)
R Tire
construction:Radial
17Rimdiametercode (ininches)
95Load ratingcode
HSpeedratinglettercode
XL(or"xl","EXTRALOAD",or"RF") indicates
thatthetireisa"Reinforced" oran"Extra
Load" tire
M+5 (or
"MIS")Indicatesthatthetirehas
somemudandsnowcapability
The
tirescouldalsohavetheinformationof
directionofrotation9page198.
Tiremanufacturingdate
Themanufacturingdateisalsoindicated on
thetiresidewall(possiblyonlyontheinner
sideofthewheell:
"DOT...2209..."means,forexample,that
thetirewasproducedinthe22ndweekof
2009.
Speedrating(Iettercode)
Thespeedratinglettercode onthewheelsin­
dicatesthemaximumpermissibleroadspeeds
9,&.inWintertires onpage 213.
Pupto93mph(150km/hl
Qupto99mph(158km/hl
Rupto106mph(170km/hl
1)For tireswithamaximum speedcapabiUty over149mph(240km/hl,tiremanufacturerssometimesusetheletters"ZR."
SUpto110mph(180km/hl
Tupto118mph(190km/hl
Uupto124mph(200km/hl
Hupto130mph(210km/hl
V upto149mph(240km/h)l)
Zover149mph(240km/h)ll
W upto168mph(270km/h)ll
V upto186mph(298km/h)ll
Vour vehicle isnormallyfactoryequippedwith
tires,whichpossessexcellentdriving charac­
teristicsandgiveyour Audioptimumdriving
comfort.Anelectronicspeedlimiter
9page33willnormallypreventyour vehicle
fromgoingfasterthanthetirespeedrating
9,&..
U.5.DOTTireIdentificationNumber(TIN)andtiremanufacturedate
Thisisthetire's"serialnumber".Itbegins
withtheletters"DOT"andindicatesthatthe
tire
meetsallfederalstandards.The next two
numbersorlettersindicatetheplantwhereit
wasmanufactured,andthelastfournumbers
representtheweekandyearofmanufacture.
For
example,thenumbers2209meanthat
thetirewasproducedinthe22ndweekof
2009.Theothernumbersaremarketingco­
desthatmay ormaynotbe usedbythetire
manufacturer.Thisinformationisusedtocon­
tactconsumersifatiredefectrequires are­
call.
AudiOriginaltire
Tires withtheidentification"AO"or"RO"have
beenspeciallymatchedwithyour Audi.We
recommendusing onlythesetiresbecause
theymeetthehigheststandardsregarding
safetyanddrivingcharacteristicswhen used
correctly. Vour
authorizedAudidealerwill
gladly provide youwith
moreinformation.
Tire
plycompositionandmaterialsused
Thenumberofpliesindicatesthenumberof
layers
ofrubber-coatedfabricinthetire.In~
--general,thegreaterthenumberofplies,the
oreweighta tire cansupport.Tiremanufac­
rnrsalsomustindicatethematerialsintheture
. e which includesteel,nylon, polyester,andtir,
others.
MaximumLoadRating
Thisnumberindicatesthemaximumloadin
kilogramsandpoundsthatcanbecarriedby
thetire.
Tire
qualitygradingfortreadwear,traction,andtemperatureresistance
Tread wear,tractionandtemperaturegrades
Qpage212.
MaximumPermissibleInflationPressure
Thisnumberisthegreatestamountofair
pressure
thatshouldever beputinthetire
under
normaldriving conditions.
WARNING
-Usingincorrectorunmatchedtiresand/
or
wheelsorimpropertireandwheel
combinationscan leadtolossofcontrol,
collisionandseriouspersonalinjury.
- Always
usetires, rimsandwheelbolts
thatmeetthespecificationsoforiginal
factory-installed
tiresorothercombina­
tionsthathavebeenspecifically ap­
proved by
thevehiclemanufacturer.
-Tiresageeveniftheyarenotbeingused
and canfailsuddenly, especially
athigh
speeds.Tiresthataremorethan6years
oldcan onlybeusedinanemergency
andthenwith special careandatlower
speeds.
-Nevermountusedtiresonyourvehicle if
you
arenotsureoftheir"previous histo­
ry."Oldusedtiresmayhavebeendam­
agedeventhoughthedamagecannotbe
seenthatcanleadtosuddentirefailure
and loss
ofvehicle control.
-Allfourwheelsmustbefittedwithradial
tires
ofthesametype, size(rolling cir­
cumference)
andthesametreadpattern.
Drivingwithdifferenttiresreducesvehi-
dehandlingandcan leadtoalossofcontrol.
-
Ifthesparetire isnotthesameasthe
tiresthataremountedonthevehide­
forexamplewithwintertires-onlyuse
thesparetireforashortperiodoftime
anddrive withextracare.Refitthenor­
malroadwheelassoonassafely possi­
ble.
- Never drive
fasterthanthemaximum
speedforwhichthetiresonyour vehicle
areratedbecausetiresthataredriven
fasterthantheirratedspeedcanfail
5uddenly.
- Overloading
tirescauseheatbuild-up,
suddentire failure, including ablowout
andsuddendeflationandlossofcontrol.
-
Temperaturegradesapplytotiresthat
areproperlyinflatedandnotoverorun­
derinflated.
- Fortechnicalreasonsitisnotalways
possible
tousewheelsfromothervehi­
cles -
insomecasesnotevenwheels
fromthesamevehicle model.
-
Ifyouinstallwheeltrimdiscs ontheve­
hicle
wheels,makesurethattheair flow
tothebrakes isnotblocked. Reducedair­
flow
tothebrakescanthemtooverheat,
increasingstoppingdistancesandcaus­
ing acollision.
- Run
flattiresmay only beused onvehi­
cles
thatwereequippedwiththematthe
factory. Thevehiclemusthave achassis
designedforrunflattiresandafactory­
installedtirepressuremonitoringsys­
temthatindicatesa lossoftirepressure.
Incorrectuseofrunflattirescan leadto
vehicledamageoraccidents. Checkwith
anauthorizedAudidealerortire special­
ist
toseeif your vehicle canbeequipped
withrunflattires.Ifrunflattiresare
used,theymustbeinstalledonallfour
wheels.Mixingtiretypesisnotpermit-
~.~

Page 108 of 132

Downloaded from www.Manualslib.com manuals search engine Tiresand\NheelsTiresand\Nheels213
CI)Note
_Fortechnicalreasons,itisnotgenerally
possibletousethewheelrimsfromoth­
ervehicles. Thiscanholdtrueforwheels
ofthesamevehicletype.
-Ifthesparetireisdifferentfromthe
tiresthatyou havemountedonyourve­
hicle (for
examplewintertiresorwide
profile tires),thenusethesparetirefora
shortperiodoftimeonlyanddrivewith
extracare.Replacetheflattirewiththe
tirematchingtheothersonyourvehicle
assoonaspossible.
-Never drivewithoutthevalvestemcap.
The valves
couldgetdamaged.
@Forthesakeoftheenvironment
Disposeofoldtiresinaccordancewiththe
localrequirements.
Uniformtirequalitygrading
-Treadwear
-TractionAAABC
-TemperatureABC
Qualitygradescanbefoundwhereapplicable
onthetiresidewallbetweentreadshoulder
andmaximumsectionwidthQpage209,
fig.154.
Forexample:Treadwear200,TractionAA,
TemperatureA.
AllpassengercartiresmustconformtoFeder­
alSafetyRequirementsinadditiontothese
grades.
Treadwear
Thetreadweargradeisacomparativerating
basedonthewearrateofthetirewhentested
undercontrolledcondition?on aspecified
governmenttestcourse.
Forexample,a tiregradedISO wouldwear
oneandonehalf(11/2)timesaswellonthe
governmentcourseasatiregraded100.
The relativeperformanceoftiresdepends
upontheactualconditionsoftheiruse,how- ever,
andmaydepartsignificantlyfromthe
normduetovariationsindrivinghabits,serv­
ice
practicesanddifferencesinroad character_
istics
andclimate.
Traction
Thetractiangrades,fromhighesttoLowest,
areAA,A,BandC.Thosegradesrepresentthe
tire'sabilitytostoponwetpavementas
measuredundercontrolledconditionson
specifiedgovernmenttestsurfacesofasphalt
andconcrete.AtiremarkedC may havepOor
tractionperformanceQ..1,.
Temperature
ThetemperaturegradesareA(thehighest),
B,andC,representingthetire'sresistanceto
thegenerationofheatanditsabilitytodissi­
pateheatwhentestedundercontrolledcondi­
tionson aspecifiedindoorlaboratorytest
wheel.
Sustainedhightemperaturecancausethe
materialofthetiretodegenerateand reduce
tirelife,andexcessivetemperaturecanlead
tosuddentirefailureQ,&..
ThegradeCcorrespondstoalevelofperform­
ancewhichallpassengercartiresmustmeet
undertheFederalMotor VehicleSafetyStand­
ardNo.109.Grades BandArepresenthigher
levels
ofperformanceonthelaboratorytest
wheelthantheminimum~quiredbyLaw.
ln.WARNING
Thetractiongradeassignedtothistireis
basedonstraight-aheadbraking traction
tests,anddoesnotincludeacceleration,
cornering,hydroplaningorpeaktraction
cha
racteristics.
ln.WARNING
Thetemperaturegradeforthistireises-
..'lyi nflatedtabllshedforatirethatISproper
andnotoverloaded.Excessivespeed,un­
derinflation,orexcessive loading,either
separatelyorincombination,cancause
heatbuildupandpossibletirefailure.
Wintertires
Wintertires canimprove vehiclehandlingan
snow
andice.Attemperaturesbelow45oF
(7oC)werecommendchangingtowinter
tires.
Insomeheavysnowareas,localgovernments
may requiretruewinteror"snow"tires,those
with verydeeplycuttread.Thesetiresshould
only beusedinpairsandbeinstalledonall
four
wheels.Makesureyoupurchasesnow
tiresthatarethesamesizeandconstruction
typeastheothertiresonyourvehicle.
Ifyour vehicle
isequippedwithall-wheel
drive',thiswillimprovetractionduringwinter
driving, evenwiththestandardtires.Howev­
er,westronglyrecommendthatyoualways
equip all
fourwheelsonyourvehicle withcor­
rectly
fittedwintertiresorall-seasontires,
when
winterroadconditionsareexpected.
Thisalsoimprovesthevehicle's brakingper­
formance
andreducesstoppingdistances.
Summertiresprovide lessgrip oniceand
snow.
Winter
tires(snowtires)mustalwaysbefitted
onallfourwheels.
AskyourauthorizedAudidealerorqualified
workshopforpermittedwintertiresizes.Use
onlyradialwintertires.
Winter
tireslosetheireffectivenesswhenthe
treadisworndowntoadepthof0.157inch(4mm).
Onlydrivewithwintertiresunderwintercon­
ditions.
Summertireshandlebetterwhen
thereisnosnoworice ontheroadsandthe
temperatureisabove4SoF(7oC).
Ifyou haveaflattire,seenotesonspare
wheelQpage209.
Please
alwaysrememberthatwintertiresmay
havealowerspeedratingthanthetiresorigi­
nallyinstalled onyourvehicleatthetimeit
;asmanufactured.PleaseseeQpage210,
Peedrating(lettercode)foralistingofthe
sPeed ratinglettercodesandthemaximum
SPeedatwhichthetirescanbedriven. The
speedratinglettercode(Qpage200)is
onthesidewallofthetireQpage209.
ln.WARNING
Wintertireshavemaximumspeedlimits
thatmaybelowerthanyourvehicle's
max-
imumspeed.Alwaysknowthemaximum
speedbeforedrivingoff.Never drivefaster
thanthespeedpermittedforyourspecific
wintertires.Thiswillcausedamagetothe
tiresleadingtoanaccidentandserious
personalinjurytoyouandyourpassen-
gers.
ln.WARNING
Drivingfasterthanthemaximumspeed
forwhichthewintertiresonyourvehicle
weredesignedcancausetirefailure in-
cluding a
blowoutandsuddendeflation,
lossofcontrol,crashesandseriousper-
sonalinjuries. Havewornordamagedtires
replacedimmediately.
-Wintertireshavemaximumspeedrating
thatmaybelowerthanyourvehicle's
maximumspeed.
-Never drivefasterthanthespeedfor
whichthewinterorothertiresinstalled
onyourvehiclearerated.
ln.WARNING
Alwaysadjustyourdrivingtotheroadand
trafficconditions.Neverletthegoodac-
celerationofthewintertiresandall-wheel
drivetemptyouintotakingextrarisks.Al-
waysremember:
-Whenbraking,anall-wheeldrivevehicle
handlesinthesamewayasafrontdrive
vehicle.
- Drive carefully
andreduceyourspeedon
icyandslipperyroads,evenwintertires
cannothelpunderblack iceconditions.
~Forthesakeoftheenvironment
Usesummertireswhenweathercondi­
tionspermit.Theyarequieter,donotwear
asquicklyandreducefuelconsumption.

Page 109 of 132

Downloaded from www.Manualslib.com manuals search engine Tiresandwheels~~:..::..:..:.:~~==-------------------------------Tiresandwheels
Snowchains
5nowchainsmaybefittedonlytothefront
wheels,andonLytocertaintiresizes.Askyour
authorizedAudidealeronwhichtiresizes
snowchainscanbeused.
Ifyouaregoingtousesnowchains,thenyou
mustinstallthemonthefrontwheelsat
least.
Thesnowchainsmusthave low-profiLe links
andmustnotbethickerthan0.53inch
(13.5mm),includingthelock.
Remove
wheelcentercoversandtrimdises
before
puttingsnowchains onyour vehicle
Q(D.Forsafetyreasonscovercapsmustthen
befittedoverthewheelbolts.Theseareavail­
ablefromauthorizedAudi dealers.
.&WARNING
Usingthewrongsnowchainsforyourvehi­
cle orinstalling
themincorrectLy canin­
creasetheriskoflossofcontrolLeadingto
seriouspersonalinjury.
-
5nowchainsareavailabLeindifferent
sizes.ALwaysmakesuretofollowthein­
structionsprovidedbythesnowchain
manufacturer.
-Whendrivingwithsnowchains never
drive
fasterthanthespeedpermittedfor
your specifiesnowchains.
- Always
observelocalregulations.
CDNote
- Removesnowchainsbeforedriving on
roads
notcovered withsnowtoavoid
damagingtiresandwearingthesnow
chainsdownunnecessarily.
-
5nowchains, whichcomeintodirectcon­
tactwiththewheelrim,canscratchor
damageit.Therefore', makesurethatthe
snowchainsaresuitablycovered. Check
thepositionofthesnowchainsafter
drivingafewyardsandcorrectifneces­
sary. Follow
theinstructionsfromthe
snowchainmanufacturerwhendoing50.
iTips
Wheresnowchainsaremandatoryoncer­
tai nroads,
thisnormalLy alsoappliestove­
hicleswithall-wheel drive.
Wheelbolts•
Whee/bo/tsmusta/ways betightened tathe
correct torque.
Thedesignofwheelboltsismatchedtothe
factoryinstalledrims.Ifdifferentrimsarefit­
ted,thecorrectwheelboltswiththeright
Length
andcorrectlyshapedboltheadsmust
be used. Thisensuresthatwheelsarefitted
secureLy
andthatthebrakesystemfunctions
correctly.
In
certaincircumstances,you maynotuse
wheelboltsfromadifferentvehicle -evenifit
isthesamemodelQpage 247.
.&WARNING
Improperlytightenedormaintainedwheel
boltscanbecomeloose causing lossof
controL, acollisionandseriouspersonalin­
jury.
- Always keep
thewheeLboltsandthe
threadsinthewheelhubsclean50the
wheelboltscanturneasilyandbeprop­
erLytightened.
-Nevergreaseor oil~wheelboltsand
thethreadsinthewheehubs. Theycan
becomeloose while driving ifgreasedor
oiled, evenif
tightenedtothespecified
torque.
-OnlyusewheeLboltsthatbeLongtothe
rim being installed.
- Never use
differentwheelsboltsonyour
vehicle.
-
ALwaysmaintainthecorrecttightening
torqueforthewheelboltstoreducethe
riskofawheelloss.Ifthetighteningtor­
queofthewheelboltsistoolow,they
can loosenandcomeoutwhenthevehi­
cle
ismoving.Ifthetighteningtorqueis
toohigh,thewheelboltsandthreads
can bedamagedandthewheeL canbe­
comeloose.
CDNote
Thespecifiedtorqueforthewheelboltsis
90ftlb(120Nm)withatoleranceof±7,4
ftlb(±10Nm). Torquewheelboltsdiago­
nally. After
changingawheel,thetorque
mustbecheckedassoonaspossiblewith a
torquewrench-preferablybyanauthor­
ized Audidealerorqualified workshop.
Low
aspectratiotires
YourAudiisfactory-equippedwithlowaspect
ratio tires.Thesetireshavebeenthoroughly
testedandbeenselectedspecificallyforyour
model for
theirsuperbperformance,roadfeel
andhandlingunderavarietyofdriving condi­
tions. Ask
yourauthorizedAudidealerfor
moredetails.
Thelowaspectratioofthesetiresisindicated
byanumeralof55orLessinthetire'ssize
designation. The
numeralrepresentstheratio
of
thetire'ssidewallheightinreLationtoits
tread
widthexpressedinpercentage.Conven­
tiona lti res have aheig
ht/widthratioof60or
more.
The
performanceofLow-aspect-ratiotiresis
particuLarLy
sensitivetoimproperinfLation
pressure.
ItisthereforeimportantthatLow
aspectratiotiresareinflatedtothespecified
pressureandthattheinflationpressureis
reguLarLycheckedandmaintained.Tire pres­
Sures shouLd
becheckedatLeastoncea
monthandaLwaysbeforeaLongtrip
0:>page204,Checking tirepressure.
Whatyoucandotoavoidtireandrimdamage
Lowaspectratio tirescanbedamagedmore
easily
byimpactwithpotholes,curbs, gullies
orridgesontheroad,particularly ifthetireis
Underinflated.
Inardertominimizetheoccurrenceofimpact
damagetothetiresofyourvehicle, werecom-
mendthatyouobservethefollowing precau­
tions:
- Always
maintainrecommendedinfLation
pressures.Checkyourtirepressureevery
2,000miles(3,000km)and addair ifneces­
sary.
- Drive carefully on
roadswithpothoLes,deep
gulliesorridges. Theimpactfromdriving
throughoroversuchobstaclescandamage
yourtires.Impactwithacurbmayalso
causedamagetoyourtires.
- After any
impact,immediatelyinspectyour
tiresorhavetheminspectedbythenearest
authorizedAudidealer.Replace adamaged
tireassoonaspossible.
-
Inspectyour tiresevery2,000miles(3,000
km)fordamageandwear.Damageisnotal­
w~yseasytosee.Damagecanleadtolossof
airandunderinflation,which couldeventu­
allycausetirefailure.Ifyoubelievethata
tire may have
beendamaged,replacethe
tireassoonaspossible.
- These tiresmay
wearmorequicklythanoth­
ers.
- Please
alsorememberthat,whilethesetires
deliver responsivehandling,theymayride
less
comfortablyandmakemorenoisethan
otherchoices.
Reducedperformanceinwinter/coLd
seasonconditions
Alltiresaredesignedforcertainpurposes.
The lowaspectratio,ultrahighperformance
tiresoriginallyinstalledonyour vehiclearein­
tendedformaximumdryandwetroad per­
formanceandhandling.They arenotsuitable
forcold, snowy oricyweatherconditions.If
youdriveunderthosecircumstances,you
shouldequip yourvehicle withall-seasonor
wintertires,whichofferbettertractionunder
thoseconditions. Wesuggestyouusetherec­
ommendedsnoworall-seasontiresspecified
foryour vehicle, ortheirequivalent.
RefertoQpage213formoredetailedinfor­
mationregardingwintertires.