2019 AUDI A4 wheel size

8W0012721BG
IntelligentTechnology


—Presstheacceleratorpedalcarefullywhen
acceleratingonsmooth,slipperysurfaces
suchasiceandsnow.Thedrivewheelscan
spinevenwhenthesecontrolsystemsarein-
stalledandthiscanaffectdrivingstability
andincreasetheriskofacollision.

@)Tips
— TheABSandASRonlyfunctioncorrectly
whenallfourwheelshaveasimilarwear
condition.Differenttiresizescanleadtoa
reductioninenginepower.
—Youmayhearnoiseswhenthesystemsde-
scribedareworking.
Switchingon/off
ESCturnsonautomaticallywhenyoustarttheengine.
2
gz
=& a

Fig.145CenterconsolewithbuttonRor
TheESCisdesignedtofunctioninlevels.Depend-
ingonthelevelthatisselected,thestabilization
functionoftheESCwillbelimitedorswitched
off.Theamountofstabilizationcontrolwilldiffer
dependingonthelevel.
Thefollowingsituationsareexceptionswhereit
maybeuseful toswitchonsportmode(sedan)or
offroadmode(allroad)toallowthewheelsto
spin:
—Rocking thevehicletofreeitwhenitisstuck
—Drivingindeepsnoworonlooseground
—Drivingwithsnowchains
—Appliesto:allroad:drivingonroughterrain
whenmuchofthecar'sweightisliftedoffthe
wheels(axlearticulation)
—Appliesto:allroad:drivingdownhillwhilebrak-
ingonlooseground
Foryoursafety,switchthesportmode/offroad
modeoffinadvance.






ESClevels
Appliesto:sedan
SportmodeonESC/ASRoffSportmodeoffor
ESC/ASRon
BehaviorThe ESC andASRstabiliza-|Thestabilizationfunctionis|Thefullstabilizationfunc-
tionfunctionsarelimitednotavailable>A\.ESCand_|tionoftheESC andASRis
oA.ASRareswitchedoff.availableagain.
OperatingPressthe[2OFF]buttonPressandholdthe|&OFFPressthe[2OFF]button
briefly.buttonlongerthan3sec-again.
onds.
IndicatorBiturnson.BancRdturnon.BaiturnsofforEJand
lightsaaturnoff.
MessagesStabilizationcontrol(ESC):|Stabilizationcontrol(ESC):|Stabilizationcontrol
sport.Warning!Restricted|off.Warning!Restricted(ESC):on
stability stability

139

Voicerecognitionsystem

Voicerecognitionsystem
Operating
Appliesto:vehicleswithvoicerecognitionsystem
YoucanoperatemanyInfotainmentfunctions
convenientlybyspeaking.
Requirement:theignitionandtheMMImustbe
switched
on>page145.Asystemlanguagesup-
portedbythevoicerecognitionsystemmustbe
set.Theremustbenophonecallsinprogressand
theparkingaidmustnotbeactive.

>Switchingon:pressthe[%]button@
=>page17,fig.11or>page18,fig.13briefly
onthemultifunctionsteeringwheelandsay
thedesiredcommandaftertheBeep.
>Switchingoff:pressandholdthe|™]button.
Or:pressthe|5|button.
>Pausing:saythecommandPause.Toresume,
pressthe|]button.
>Correcting:saythecommandCorrection.Or:
simplysayanewcommandduringanan-
nouncement>page241.






Inputassistance
Thesystemguidesyouthroughtheinputwith
visualandaudiofeedback.
—Visualinputassistance:afterswitchingon
voicerecognition,adisplaywithaselectionof
possiblecommandsappears.Thiscommand
displaycanbe switchedonoroff.Select:
MENU]button>Settings>leftcontrolbutton
>MMIsettings>Speechdialogsystem.
—Audioinputassistance: tohavethepossible
commandsread,turnthevoicerecognitionsys-
temonandsayHelp.


Forthesystemtounderstandyou:
Speakclearlyanddistinctly atanormalvolume.
Speaklouderwhendrivingfaster.
Emphasizethewordsinthecommandsevenly
anddonotleavelongpauses.
Closethedoors,thewindows,andthesunroof*
toreducebackgroundnoise.Makesurethatpas-
sengersarenotspeakingwhenyouaregivinga
voicecommand.
164
Donotdirecttheventstowardthehands-freemi-
crophone,whichisintheroofheadlinernearthe
frontinteriorlights.
Onlyusethesystemfromthedriver'sseatbe-
causethehands-freemicrophoneisdirectedto-
wardthatseat.
Additionalsettings
See>page241,Speechdialogsystem.

ZAWARNING
—Directyourfullattentiontodriving.Asthe
driver,youhavecompleteresponsibilityfor
safetyintraffic.Onlyusethefunctionsin
suchawaythatyoualwaysmaintaincom-
pletecontroloveryourvehicleinalltraffic
situations.
—Donotuse thevoicerecognitionsystemin
emergenciesbecauseyourvoicemaychange
instressfulsituations.Thesystemmaytake
longertodialthenumberormaynotbe
abletodialitatall.Dialtheemergency
numbermanually.

Gi)Tips
— Thedialogpauseswhenthereisanincom-
ingphonecallandwillcontinueifyouig-
norethecall.Thedialogendsifyouanswer
thecall.
—Youcanselectan iteminthelistusingei-
therthevoicerecognitionsystemorthe
controlknob.
Commandoverview
information
Appliesto:vehicleswithvoicerecognitionsystem
Thefollowingoverviewsdescribethecommands
thatcan beusedtooperatetheMMIusingthe
voicerecognitionsystem.
Alternativecommandsareseparatedusinga“/”,
forexamplesay:Telephone/(or)Navigation/
(or)Radio.
Sequencesofcommandsusedtoperformanac-
tionareidentifiedwitha “>”,forexamplesay:
Enteraddress>(then)Entercountry/state.>

Airbagsystem


—Neverholdthesteeringwheelatthe12
o'clockpositionorwithyourhandsany-
whereinsidethesteeringwheeloronthe
steeringwheelhub.Holding thesteering
wheelthewrongwayincreasestheriskof
severeinjurytothearms,hands,andheadif
thedriverairbagdeploys.

ZA\WARNING
Objectsbetweenyouandtheairbagwillin-
creasetheriskofinjuryinacrashbyinterfer-
ingwiththewaytheairbagunfoldsand/orby
beingpushedintoyouastheairbaginflates.
—Alwaysmakesurenothingisinthefrontair-
bagdeploymentzonethatcouldbestruck
by theairbagwhenitinflates.
—Objectsinthezoneofadeployingairbagcan
become
projectileswhentheairbagdeploys
andcauseseriouspersonalinjury.
—Neverhold thingsinyourhandsoronyour
lapwhenthevehicleisinuse.
—Neverplaceaccessoriesorotherobjects
(suchascupholders,telephonebrackets,
notepads,navigationsystems,orthings
thatarelarge,heavy,orbulky)onthedoors;
neverattachthemtothedoorsorthewind-
shield;neverplacethemoverornearorat-
tachthemtotheareamarked,,AIRBAG“on
thesteeringwheel,instrumentpanelorthe
seatbackrests;neverplacethembetween
theseareasandyouoranyotherpersonin
thevehicle.
—Neverattachobjectstothewindshield
abovethepassengerfrontairbag,suchas
accessoryGPSnavigationunitsormusic
players.Suchobjectscouldcauseseriousin-
juryinacollision,especiallywhentheair-
bagsinflate.
—Neverreclinethefrontpassengerseatto
transport
objects.Itemscanalsomoveinto
thedeploymentareaofthesideairbagsor
thefrontairbagduringbreakingorinasud-
denmaneuver.Objectsneartheairbagscan
flydangerouslythroughthepassengercom-
partmentandcauseinjury,particularly
whentheseatisreclinedandtheairbagsin-
flate.

266
ZAWARNING
Apersononthefrontpassengerseat,espe-
ciallyinfantsandsmallchildren,willreceive
seriousinjuriesandcanevenbekilledbybe-
ingtooclosetotheairbagwhenitinflates.
—AlthoughtheAdvancedAirbagSystemin
yourvehicleisdesignedtoturnoffthefront
passengerairbagifaninfantorasmallchild
isonthefrontpassengerseat,nobodycan
absolutelyguaranteethatdeploymentun-
derthesespecialconditionsisimpossiblein
allconceivablesituationsthatmayhappen
during theusefullife ofyourvehicle.
— TheAdvancedAirbagSystemcandeployin
accordancewiththe,,lowrisk“optionfor3-
and6-year-oldchildrenundertheU.S.Fed-
eralStandardifachildwithelectricalcapac-
itancegreaterthanthecombinedcapaci-
tanceofatypicalone-yearoldinfantre-
strainedinoneoftheforwardfacing orrear-
ward-facingchildseatswithwhichyourve-
hiclewascertifiedisonthefrontpassenger
seatandtheotherconditionsforairbagde-
ploymentaremet.
—Accidentstatisticshaveshownthatchildren
aregenerallysaferintherearseatareathan
inthefrontseatingposition.
—Fortheirownsafety,allchildren,especially
12yearsandyounger,shouldalwaysridein
thebackproperlyrestrainedfortheirage
andsize.
Advancedfrontairbagsystem
YourvehicleisequippedwithafrontAdvanced
AirbagSystemincompliancewithUnitedStates
FederalMotorVehicleSafetyStandard(FMVSS)
208,aswellasCanadaMotorVehicleSafety
Standard(CMVSS)208asapplicableatthetime
yourvehiclewasmanufactured.


ThefrontAdvancedAirbagSystemsupplements
thesafetybeltstoprovideadditional protection
forthedriver'sandfrontpassenger'sheadsand
upperbodiesinfrontalcrashes.Theairbagsin-
flateonlyinfrontalimpactswhenthevehiclede-
celerationishighenough.>

8W0012721BG
Childsafety


onallthetimewhenevertheignitionis
switchedon.
—IfthePASSENGERAIRBAGOFF%;light
doesnotcomeonandstayon,immediate-
lyinstalltheforward-facingchildseatina
rearseatingpositionandhavetheairbag
systeminspectedbyyourauthorizedAudi
dealer.
—Alwaysbucklethechildseatfirmlyinplace
evenifa childisnotsittinginit.Aloose
childseatcanflyaroundduringasudden
stoporinacollision.
—AlwaysreadandheedallWARNINGS
wheneverusinga childrestraintinavehi-
cle>page253,Safetybelts,>page261,
Airbagsystemand>page285,Important
information.
@)Tips
Alwaysreplacechildrestraintsthatwerein-
stalledinavehicleduringacrash.Damageto
a childrestraintthatisnotvisiblecouldcause
ittofail inanothercollisionsituation.
ONETeeRicercaCele)
Yourvehicleisequippedwithan“AdvancedAir-
bagSystem”incompliancewithUnitedStates
FederalMotorVehicleSafetyStandard(FMVSS)
208,aswellasCanadaMotorVehicleSafety
Standard(CMVSS)208asapplicableatthetime
yourvehiclewasmanufactured.

TheAdvancedAirbagsysteminyourvehiclehas
beencertifiedtomeetthe“low-risk”require-
mentsfor3-and6-yearoldchildrenonthepas-
sengersideandsmalladultsonthedriverside.
Thelowriskdeploymentcriteriaareintendedto
reducetheriskofinjurythroughinteractionwith
theairbagthatcanoccur,forexample,bybeing
tooclosetothesteeringwheelandinstrument
panelwhentheairbaginflates.Inaddition,the
systemhasbeencertifiedtocomplywiththe
“suppression”requirementsoftheSafetyStand-
ard,toturnoffthefrontairbagforinfantsupto
12monthswhoarerestrainedonthefrontpas-
sengerseatinchildrestraintsthatarelistedin
theStandard.
EventhoughyourvehicleisequippedwithanAd-
vancedAirbagsystem,allchildren,especially
those12yearsandyounger,shouldalwaysridein
thebackseatproperlyrestrainedfortheirage
and
size.Theairbagonthepassengersidemakes
thefrontseatapotentiallydangerousplacefora
childtoride.Thefrontseatisnot thesafestplace
forachildinaforward-facingchildsafetyseat.It
canbeaverydangerousplaceforaninfantora
largerchildinarearward-facingseat.
Thevehicle'sAdvancedAirbagSystemhasaca-
pacitivepassengerdetectionsysteminthefront
passengerseatcushionthatcandetectthepres-
enceofababyorachildinachildrestraintsys-
temonthisseat.
Thecapacitivepassengerdetectionsystemregis-
tersthechangesthatresultinanelectricalfield
whenachild,achildrestraint,andababyblanket
areonthefrontpassengerseat.Thechangein
themeasuredcapacitanceduetothe presenceof
achild,a childrestraint,andababyblanketon
thefrontpassengerseatisrelatedtothechildre-
straintsystemrestingontheseat.Themeasured
capacitanceofachildrestraintsystemvariesde-
pendingonthetypeofsystemandspecificmake
andmodel.
Theelectricalcapacitanceofthevarioustypes,
makes,andmodelsofchildrestraintsspecified
bytheU.S.NationalHighwayTrafficSafetyAd-
ministration(NHTSA)intherelevant safety
standardarestoredintheAdvancedAirbagSys-
temcontrolunittogetherwiththe capacitances
typicalofinfantsanda1-yearoldchild.Whena
childrestraintisusedonthefrontpassengerseat
withatypical1year-oldinfant,theAdvancedAir-
bagSystemcomparesthecapacitancemeasured
bythecapacitivepassengerdetectionsystem
withthedatastoredintheelectroniccontrol
unit.
eaCMeeeTeaANElaeteWtylel)
Regardlessofthechildrestraintthatyouuse,
makesurethatithasbeencertifiedtomeetSafe-
tyStandardsandhasbeencertifiedbyitsmanu-
facturerforusewithanairbag.Alwaysbesure
thatthechildrestraintisproperlyinstalledat
287

8W0012721BG
Wheels

Tiredesignations

B8K-2316


Fig.262Tiredesignationsontheside-
wall
@Tiresforpassengervehicles
(ifapplicable)
"P"indicatesatireforapassenger
vehicle."T"indicatesatiredesig-
natedfortemporaryuse.
@Nominalwidth
Nominalwidthofthetirebe-
tweenthesidewallsinmillime-
ters.Ingeneral:thelargerthe
number,thewiderthetire.
@)Aspectratio
Height/widthratioexpressedasa
percentage.
@Tireconstruction
“R"indicatesaradialtire.
©)Rimdiameter
Sizeoftherimdiameterininches.
©Loadindexandspeedrating
Theloadindexindicatesthetire's
load-carryingcapacity.
Thespeedratingindicatesthe
maximumpermittedspeed.Also
see>AinGeneralinformationon
page322.
“EXTRALOAD”,“xl”or“RF”indi-
catesthatthetireisreinforcedor
isanExtraLoadtire.






Speedrat-/Maximumpermittedspeed
ing
Pupto93mph(150km/h)
Qupto99mph(160km/h)
Rupto106mph(170km/h)
Supto110mph(180km/h)
Tupto118mph(190km/h)
Uupto124mph(200km/h)
Hupto130mph(210km/h)
Vvupto149mph(240km/h)?
Zzabove149mph(240km/h)?
wupto168mph(270km/h)?
Yupto186mph(300km/h)?

@)Fortiresabove149mph(240km/h),
tiremanufacturerssometimesusethe
code“ZR”.
323

8W0012721BG
Wheels

Glossaryoftireandloading
terminology
Accessoryweight
meansthecombinedweight(in
excessofthosestandarditems
whichmaybereplaced)ofauto-
matictransmission,powersteer-
ing,powerbrakes,powerwin-
dows,powerseats,radio,and
heater,totheextentthatthese
itemsareavailableasfactory-in-
stalledequipment(whetherin-
stalledornot).
Aspectratio
meanstheratioofthe heightto
thewidthofthetireinpercent.
Numbersof55orlowerindicatea
lowsidewallforimprovedsteer-
ingresponseandbetteroverall
handlingondrypavement.
Bead
meansthepartofthetirethatis
madeofsteelwires,wrappedor
reinforcedbyplycordsandthatis
shapedtofittherim.
Beadseparation
meansabreakdownofthebond
betweencomponentsinthebead.
Cord
meansthestrandsformingthe
pliesinthetire.
Coldtireinflationpressure
meansthetirepressurerecom-
mendedbythevehiclemanufac-
turerforatireofadesignated
sizethathasnotbeendrivenfor
morethanacoupleofmiles(kilo-
meters)atlowspeedsinthethree
hourperiodbeforethetirepres-
sureismeasuredoradjusted.
Curbweight
meanstheweightofamotorve-
hiclewithstandardequipmentin-
cludingthemaximumcapacityof
fuel,oil,andcoolant,aircondi-
tioningandadditionalweightof
optionalequipment.
Extraloadtire
meansatiredesignedtooperate
athigherloadsandathigherin-
flationpressuresthanthecorre-
spondingstandardtire.Extraload
tiresmaybeidentifiedas“XL”,
“xL’,“EXTRALOAD”,or“RF”on
thesidewall.
325

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Wheels

Productionoptionsweight
meansthecombinedweightof
thoseinstalledregularproduction
optionsweighingover5lbs.
(2.3kg)inexcessofthosestand-
arditemswhichtheyreplace,not
previouslyconsideredincurb
weightoraccessoryweight,in-
cludingheavy dutybrakes,ride
levelers,roofrack,heavyduty
battery,andspecialtrim.
Radialplytire
meansapneumatictireinwhich
theplycordsthatextendtothe
beadsarelaidatsubstantially
90degreestothecenterlineof
thetread.
Recommendedinflation
pressure
see>page325,Coldtireinfla-
tionpressure.
Reinforcedtire
meansatiredesignedtooperate
athigherloadsandathigherin-
flationpressuresthanthecorre-
spondingstandardtire.Rein-
forcedtiresmaybeidentifiedas
“XL”,“xl”,“EXTRALOAD”,or“RF”
onthesidewall.
Rim
meansametalsupportforatire
oratireandtubeassemblyupon
whichthetirebeadsareseated.
Rimdiameter
meansnominaldiameterofthe
beadseat.Ifyouchangeyour
wheelsize,youwillhavetopur-
chasenewtirestomatchthenew
rimdiameter.
Rimsizedesignation
meansrimdiameterandwidth.
Rimwidth
meansnominaldistancebetween
rimflanges.
Sidewall
meansthatportionofatirebe-
tweenthetreadandbead.
Speedrating(lettercode)
meansthespeedatwhichatireis
designedtobedrivenforextend-
edperiodsoftime.Theratings
rangefrom93mph(150km/h)
to186mph(298km/h)>table
onpage323.Youmaynotfind
thisinformationonalltiresbe-
causeitisnotrequiredbylaw.
Thespeedratinglettercode,
whereapplicable,ismoldedon
thetiresidewallandindicatesthe>
327

8W0012721BG
Wheels

bythetiremanufacturer.Thisin-
formationisusedtocontactcon-
sumers
ifatiredefectrequiresa
recall.
Vehiclecapacityweight
meanstheratedcargoandlug-
gageloadplus150lbs.(68kilo-
grams)timesthevehicle'sdesig-
natedseatingcapacity.
Vehiclemaximumloadonthe
tire
meansthatloadonanindividual
tirethatisdeterminedbydistrib-
utingtoeachaxleitsshareofthe
maximumloadedvehicleweight
anddividingbytwo.
Vehiclenormalloadonthetire
meansthatloadonanindividual
tirethatisdeterminedbydistrib-
utingtoeachaxleitsshareofthe
curbweight,accessoryweight,
andnormaloccupantweight(dis-
tributedinaccordancewith>ta-
bleonpage334)anddividingby
two.
Occupantloadinganddistri-
butionforvehiclenormalload
forvariousdesignatedseating
capacities
Refertothetireinflationpressure
label>page332,fig.265forthe
numberofseatingpositions.Re-
fertothetable>tableon
page334forthenumberofpeo-
plethatcorrespondtothevehicle
normalload.
Newtiresorwheels
Audirecommendshavingallwork
ontiresorwheelsperformedby
anauthorizedAudidealerorau-
thorizedAudiServiceFacility.
Thesefacilitieshavethe proper
knowledgeandareequippedwith
therequiredtoolsandreplace-
mentparts.
>Newtiresdonotyethavethe
optimumgrippingproperties.
Drivecarefullyandatmoderate
speedsforthefirst350miles
(500km)withnewtires.
>Onlyusetireswiththesamede-
sign,size(rollingcircumfer-
ence),andas close tothesame
treadpatternas possibleonall
fourwheels.
>Donotreplacetiresindividually.
Atleastreplacebothtiresonthe
sameaxleatthesametime.
>Audirecommendsthatyouuse
AudiOriginalTires.Ifyouwould
liketousedifferenttires,please
notethatthetiresmayperform>
329