Page 335 of 392

80A012721BG
Wheels
not permittedcanleadtove-
hicledamageoraccidents.
—Ifyouinstallwheelcoverson
thevehicle,makesuretheyal-
lowenoughaircirculationto
coolthebrakesystem.Ifthey
donot,thiscouldincreasethe
riskofanaccident.
Tirewearanddamage
B4H-0415
Fig.265Tireprofile:treadwearindica-
tor
Tirewear
Checkthetiresregularlyforwear.
—Inflationpressurethatistoolow
orhighcanincreasetirewear
considerably.
—Drivingquicklythroughcurves,
rapidacceleration,andheavy
brakingincreasetirewear.
—HaveanauthorizedAudidealer
orauthorizedAudiServiceFacili-
DObeyanyapplicableregulationsinthe
country
wherethevehicleisbeingoper-
ated.
tycheckthewheelalignmentif
thereisunusualwear.
—Havethewheelsrebalancedifan
imbalanceiscausingnoticeable
vibrationinthesteeringwheel.
Ifyoudonot,thetiresandother
vehiclecomponentscouldwear
morequickly.
Treadwearindicator
Originalequipmenttirescontain
treadwearindicatorsinthetread
pattern,whicharebarsthatare
1/16in(1.6mm)highandare
spacedevenlyaroundthetireper-
pendiculartotherunningdirec-
tion>fig.265.Theletters“TWI”
ortrianglesonthetiresidewall
indicatethelocationofthetread-
wearindicators.
Thetireshavereachedthemini-
mumtreaddepth))whenthey
haveworndowntothetreadwear
indicators.Replacethetireswith
newones>A.
Tirerotation
Rotatingthetiresregularlyisrec-
ommendedtoensurethetires
wearevenly.Torotatethetires,
333
>
Page 356 of 392

Emergencyassistance
@Tips
Thevehiclejackmode*switchesoffautomati-
callyatspeedsabove6mph(10km/h).
Removingandinstallingawheel
B8K-1479
Fig.277Wheel:alignmentpininthe tophole
Removingawheel
>Removethetopwheelboltcompletelyusing
thehexsocketinthescrewdriverhandlefrom
thevehicletoolkit>fig.276andplaceitona
cleansurface.
>Theninstallthealignmentpinfromthevehicle
toolkitintheemptywheelboltholebyhand
>fig.277.
>Removetherestofthewheelbolts.
>Removethewheel>().Thealignmentpinre-
mainsintheholewhiledoingthis.
Installingawheel
Readthedirectionson>page354wheninstal-
lingunidirectionaltires.
>Slidethewheelonoverthealignmentpin>@.
>Installthewheelboltsandtightenthemgently
usingthehexsocket.
>Removethealignmentpinandtightenthere-
mainingwheelbolt.
354
>Carefullylowerthevehicleusingthevehicle
jack*.
>Tightenthewheelboltsinadiagonalpattern
usingthewheelwrench.
Thewheelboltsmustbecleanandloosenand
tighteneasily.Checkthecontactsurfacesforthe
wheelandhub.Contaminantsonthesesurfaces
mustberemovedbeforeinstallingthewheel.
ZA\WARNING
Neverusethe hexsocketinthescrewdriver
handleorthehexsocketwrenchwiththe
ratchettoloosenortightenthewheelbolts.
This increasestheriskofanaccident,because
youwillnot beabletoachievethecorrect
tighteningspecification.
@)Note
Whenremovingorinstallingthe wheel,the
rim
couldhitthebrakerotoranddamagethe
rotor.Workcarefullyandhaveasecondper-
sonhelp you.
(i)Tips
—Whenmountingtireswithunidirectional
treaddesignmakesurethetreadpatternis
pointedtherightway>page354.
— Thewheelboltsshould becleanandeasyto
turn.Checkfordirtandcorrosiononthe
matingsurfacesofboththewheelandthe
hub.Removealldirtfromthesesurfacesbe-
foreremountingthe wheel.
Unidirectionaltires
Aunidirectionaltireprofileisidentifiedbyarrows
onthetiresidewallthatpointintherunningdi-
rection.Youmustalways maintainthespecified
runningdirection.Thisisnecessarytoensurethe
tire'soptimumperformanceinregardtoadhe-
sion,runningnoise,andfriction,andtoreduce
theriskofhydroplaning.
Tobenefitfullyfromtheadvantagesoftheuni-
directionaltiredesign,youshouldreplacefaulty
tiresassoonaspossibleandrestorethecorrect
runningdirectiononallofthetires.
Page 376 of 392

Index
Numbersand
Symbols
3-zoneautomaticclimatecontrol..........70
A
A/C.coolingMOde.« «wiccwesoareciee6varieve ow70
oe144
ACCESSOTIES«wess =weens ¢HeueE6 xeonss59,369
Activelaneassist
Cleaningthecameraarea..............344
alsorefertoAudiactivelaneassist......116
Adaptiveairsuspension
refertoAirsuspension..........+e000e125
Adaptivecruisecontrol.................101
Cleaningthesensors..............0-0-344
MeSSAQESsnesess= osnecius© 0craven& wcoer©veonens109
Predictivecontrol..................000599
Adaptivedampers.............000eeee125
Adjustingairdistribution(automaticclimate
control)0...eeeeee71
Adjustingtheadditionaldisplay...........17
Adjustingthesound.................00-249
Adjustingthetemperature(automaticclimate
control)...2...eeeeeeeeeZl,
Adjustingthevolume.............0..200517
Advancedkey
refertoConveniencekey.............00575
Airbag...ieeeeeeeee266
Airbagsystem.................00.266,283
AdvancedAirbagSystemcomponents....273
GARGcrass«sworewocoorwooemwarmersowom281
Children.....ccceee290
ChildFEStRaintS§:=we« =reuse¢ =seemse2H290
Components(frontairbags)............273
Dangeroffittingachildsafetyseatonthe
frontpassengerseat...............0..267
Disposal«sassooaeiesownaswewaayews281
Frontairbags.......0...eeeeeeeee271
Howdothefrontairbagswork?.........276
Howmanyairbagsdoesmyvehiclehave?.273
HowtheAdvancedAirbagSystemcompo-
nentsworktogether................-.275
Indicatorlight«sss<2eaex+eeesspeewa278
MONIEONING©sinus+ 2wasn3 8seamen©onenesso ©ate278
PASSENGERAIRBAGlight.............278
374
REpalitSivesvcwscensssamesenooamevseersoH281
Safetyinstructions...............0eee280
Whenmustthesystembeinspected?....278
Airsuspension..............00000-125,126
Alarmsystem
refertoAnti-theftalarmsystem..........34
Alignmentpin(changingthewheel).......349
All-weatherlights.................00000544
Allseasontires..........00200202 eee eee339
Allwheeldrive
Indicatorlight®:»ss« + 2een= >eeeseepees=26
alsorefertoquattro.............-000.148
AMI
refertoAudimusicinterface...........231
AndroidAuto
refertoAudismartphoneinterface......243
Anti-freeze
Windshieldwashersystem.............323
Anti-LockBrakingSystem
refertO.ABS=:sssewssosaws¢ 2cernteaes144
Anti-SlipRegulation
HEPEPLOASRion.soswtsoaversoweacewewweee144
Anti-theftalarmsystem..............0---34
AppleCarPlay
refertoAudismartphoneinterface......243
ARPOWVIEWS:«2cswoex 2onesovwan© 0and167
ASRwuse2 2mesasowowssemene5 2eena 8oe144
Audiactivelaneassist...............00,116
Messages«sissies&ineversvoaaiers6ermine@ 6soe118
Audiadaptivecruisecontrol
Distancedisplay,distancewarning.......109
Trafficjamassistwesssaswssoeeesvewes108
Audiconnect
refertoconnect........sceeseees192,193
AudiconnectInfotainment
Servicesioverviewexesi +cme0 0cen36cums193
Audidriveselectesc.
AudiEntertainmentmobile..............233
Audimusicinterface...............000-231
Audimusicstream
refertoWitPisc22ecw29ewe3 2wee2 0oe229
AudioTilessacs<
Audioplayer
Bluetoothaudioplayer................228
Wi-Fiaudioplayer..............000005229
Audiotrack.....0.0...ccceeeeee237