2019 AUDI S4 Pressure

8W0012721BG
Wheels

NEVEREXCEEDXXXKGORXXX
LBS”onyourvehicle’splacard
(tireinflationpressurelabel)
=>page332,fig.265.
.Determinethecombined
weightofthedriverandpas-
sengersthatwillberidingin
yourvehicle.
.Subtractthecombinedweight
ofthedriverandpassengers
from“XXX”kilogramsor“XXX”
poundsshownonthestick-
er>page332,fig.265.
.Theresultingfigureequalsthe
availableamountofcargoand
luggageloadcapacity.Forex-
ample,ifthe“XXX”amount
equals1400lbs.andtherewill
befive150lbs.passengersin
yourvehicle,theamountof
availablecargoandluggage
load capacityis650lbs.
(1400-750(5x150)=650
lbs.)
.Determinethecombined
weightofluggageandcargo
beingloadedonthevehicle.
Thatweightmaynotsafelyex-
ceedtheavailablecargoand
luggageload capacitycalculat-
edinStep4.
.Ifyourvehiclewillbetowinga
trailer,loadfromyourtrailer
willbetransferredtoyourvehi-
cle.Consultthismanualtode-
terminehowthisreducesthe
availablecargoandluggage
loadcapacityofyourvehicle.
>Checkthetiresidewall
(=page323,fig.262)todeter-
minethedesignatedloadrating
foraspecifictire.
Wheelboltsandrims
Wheelbolts
Wheelboltsmustbecleanandloosen/tighten
easily.
Rims
Rimswithaboltedrimring*orwith boltedwheel
covers*consistofmultiplepieces.Thesecompo-
nentswereboltedtogetherusingspecialbolts
andaspecialprocedure.Youmustnotrepairor
disassemblethem>A\.

ZAWARNING
Wheelboltsthataretightenedorrepairedin-
correctlycanbecomelooseandresultinloss
ofvehiclecontrol,whichincreasestheriskof
anaccident.Forthecorrecttighteningspecifi-
cation,see>page354,Finishing.
—Alwayskeepthewheelboltsandthethreads
inthewheelhubcleanandfreeofgrease.
—Onlyusewheelboltsthatfittherim.
—Alwayshavedamagedrimsrepairedbyan
authorizedAudidealerorauthorizedAudi
ServiceFacility.Neverrepair ordisassemble
rimsyourself,becausethisincreasestherisk
ofanaccident.

Wintertiressignificantlyimprovethevehicle's
handlingwhendrivinginwinterconditions.Be-
causeoftheirconstruction(width,compound,
337

Wheels

treadpattern),summertiresprovidelesstraction
oniceandsnow.
>Usewintertiresonallfourwheels.
>Onlyusewintertiresthatareapprovedforyour
vehicle.
>Pleasenotethatthemaximumpermitted
speedmaybe lowerwithwintertires>A\in
Generalinformationonpage322.Anauthor-
izedAudidealerorauthorizedAudiServiceFa-
cilitycan informyouaboutthemaximumper-
mittedspeedforyourtires.
>Checkthetirepressureafterinstallingwheels
=>page332.
Theeffectivenessofwintertiresisreducedgreat-
lywhenthetreadisworndowntoadepthof
0.16in(4mm).Thecharacteristicsofwintertires
alsodecreasegreatlyasthetireages,regardless
oftheremainingtread.
@Forthesakeoftheenvironment
Reinstallsummertiresattheappropriate
time,becausetheyprovidebetterhandling
whenroadsarefreeofsnowandice.Summer
tirescauselessroadnoise,tirewear,andfuel
consumption.
@Tips
Youcanalsouseallseasontiresinsteadof
wintertires.Pleasenotethatinsomecoun-
trieswherewintertiresare required,onlywin-
tertireswiththe-4\symbolmaybepermit-
ted.
Snowchainsimprovebothdrivingandbrakingin
winterroadconditions.
>Onlyinstallsnowchainsonthefrontwheels.
>Checkandcorrecttheseatingofthesnow
chainsafterdrivingafewfeet,ifnecessary.Fol-
lowtheinstructionsfromthemanufacturer.
>Notethemaximumspeedof30mph
(50 km/h).Observethelocalregulations.
Useofsnowchainsisonlypermittedwithcertain
rim/tirecombinationsduetotechnicalreasons.
CheckwithanauthorizedAudidealerorauthor-
338
izedAudiServiceFacilitytoseeifyoumayuse
snowchains.
Usefine-meshsnowchains.Theymustnotadd
morethan 0.53in(13.5mm)inheight,including
thechainlock.
Youmustremovethesnowchainsonroadswith-
outsnow.Otherwise,youcouldimpairdriving
abilityanddamagethetires.

Z\WARNING
Usingincorrectsnowchainsorinstallingsnow
chainsincorrectlycanresultinlossofvehicle
control,whichincreasestheriskofanacci-
dent.
C)Note
Snowchainscandamagetherimsandwheel
covers*ifthechainscomeintodirectcontact
withthem.Removethewheelcovers*first.
Usecoatedsnowchains.
G)Tips
Whenusingsnowchains,itmaybeadvisable
tolimittheESC>page139.
Low-profiletires
Appliesto:vehicleswithlow-profiletires

Comparedtoothertire/rimcombinations,low-
profiletiresofferawidertreadsurfaceanda
largerrimdiameterwithshortertiresidewalls.
Thisresultsinanagiledrivingstyle.However,it
mayreducethelevelofcomfortandincrease
roadnoisewhendrivingonroadsinpoorcondi-
tion.
Low-profiletirescanbecomedamagedmore
quicklythanstandardtireswhendrivingover
largebumps,potholes,manholecovers,and
curbs.Therefore,itisparticularlyimportantto
maintainthecorrecttirepressure>page332.
Toreducetheriskofdamagetothetiresand
rims, driveverycarefullyonpoorroads.
Checkyourwheelsregularlyevery2,000mi
(3,000km)fordamage.Forexample,checkfor
bulges/cracksonthetiresordeformations/cracks
ontherims.

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Wheels

Afteraheavyimpactordamage,havethetires
andrimsinspectedorreplacedimmediatelyby
anauthorizedAudidealerorauthorizedAudi
ServiceFacility.
Low-profiletirescanwearoutfasterthanstand-
ardtires.
Uniformtirequalitygrading
—Treadwear
—TractionAAABC
—TemperatureABC
Qualitygradescanbefoundwhereapplicableon
thetiresidewallbetweentreadshoulderand
maximumsectionwidth>page323,fig.262.
Forexample:Treadwear200,TractionAA,Tem-
peratureA.
AllpassengercartiresmustconformtoFederal
SafetyRequirementsinadditiontothesegrades.
Treadwear
Thetreadweargradeisacomparativerating
basedonthewearrateofthetirewhentested
undercontrolledconditionsonaspecifiedgov-
ernmenttestcourse.
Forexample,a tiregraded150wouldwearone
andonehalf(11/2)timesaswellonthegovern-
mentcourseasa tiregraded100.
Therelativeperformanceoftiresdependsupon
theactualconditionsoftheiruse,however,and
maydepartsignificantlyfromthenormdueto
variationsindrivinghabits,servicepracticesand
differencesinroadcharacteristicsandclimate.
Traction
Thetractiongrades,fromhighestto lowest, are
AA,A,BandC.Thosegradesrepresentthetire's
abilitytostoponwetpavementasmeasuredun-
dercontrolledconditionsonspecifiedgovern-
menttestsurfacesofasphaltandconcrete.Atire
markedCmayhavepoortractionperformance
SA.
Temperature
ThetemperaturegradesareA(thehighest),B,
andC,representingthetire'sresistancetothe
generationofheatanditsabilitytodissipate
heatwhentestedundercontrolledconditionson
aspecifiedindoorlaboratorytestwheel.
Sustainedhightemperaturecancausethemate-
rialofthetiretodegenerateandreducetirelife,
andexcessivetemperaturecanleadtosudden
tirefailure>A\.
ThegradeCcorrespondstoalevelofperform-
ancewhichallpassengercartiresmustmeetun-
der theFederalMotorVehicleSafetyStandard
No.109.GradesBandArepresenthigher levels
ofperformanceonthelaboratorytestwheelthan
theminimumrequiredbylaw.

Z\WARNING
Thetractiongradeassignedtothistireis
basedonstraight-aheadbrakingtraction
tests,anddoesnotincludeacceleration,cor-
nering,hydroplaningorpeaktractioncharac-
teristics.

Z\WARNING
Thetemperaturegradeforthistireisestab-
lishedforatirethatisproperlyinflatedand
notoverloaded.Excessivespeed,underinfla-
tion,orexcessiveloading,eitherseparatelyor
incombination,can cause heatbuildupand
possibletirefailure.

Z\WARNING
Temperaturegradesapplytotiresthatare
properlyinflatedandnotoverorunderinflat-
ed.

Tirepressuremonitoring
system
(1)Generalnotes
Eachtire,includingthespare(ifprovided),
should becheckedmonthlywhencoldandinflat-
edtotheinflationpressurerecommendedbythe
vehiclemanufactureronthevehicleplacardor
tireinflationpressurelabel.(Ifyourvehiclehas
tiresofadifferentsizethanthesizeindicatedon>
339

Wheels

thevehicleplacardortireinflationpressurela-
bel,youshoulddeterminethepropertireinfla-
tionpressureforthosetires).
Asanaddedsafetyfeature,yourvehiclehasbeen
equippedwithatirepressuremonitoringsystem
(TPMS)thatilluminatesalowtirepressuretell-
talewhenoneormoreofyourtiresissignificant-
lyunder-inflated.Accordingly,whenthelowtire
pressuretelltaleilluminates,youshouldstopand
checkyourtiresassoonaspossible,andinflate
themtotheproperpressure.Drivingonasignifi-
cantlyunder-inflatedtirecausesthetiretoover-
heatandcanleadtotirefailure.Under-inflation
alsoreducesfuelefficiencyandtiretreadlife,
andmayaffectthevehicle'shandlingandstop-
pingability.
PleasenotethattheTPMSisnotasubstitutefor
propertiremaintenance,anditisthedriver'sre-
sponsibilitytomaintaincorrecttirepressure,
evenifunder-inflationhasnot reachedthelevel
totriggerilluminationoftheTPMSlowtirepres-
suretelltale.
YourvehiclehasalsobeenequippedwithaTPMS
malfunctionindicatortoindicatewhenthesys-
temisnotoperatingproperly.TheTPMSmal-
functionindicatoriscombinedwiththelowtire
pressuretelltale.Whenthesystemdetectsa
malfunction,thetelltalewillflashforapproxi-
matelyoneminuteandthenremaincontinuously
illuminated.Thissequencewillcontinueupon
subsequentvehiclestart-ups aslongasthemal-
functionexists.
Whenthemalfunctionindicatorisilluminated,
thesystemmaynotbeabletodetectorsignal
lowtirepressureasintended.TPMSmalfunctions
mayoccurforavarietyofreasons,includingthe
installationofreplacementoralternatetiresor
wheelsonthevehiclethatpreventtheTPMS
fromfunctioningproperly.Alwayscheckthe
TPMSmalfunctiontelltaleafterreplacingoneor
moretiresorwheelsonyourvehicletoensure
thatthereplacementoralternatetiresand
wheelsallowtheTPMStocontinuetofunction
properly.
340

Ifthetirepressuremonito
appears
Appliesto:vehicleswithTirePressureMonitoringSystemin-
dicator
gindicator
Thetirepressureindicatorintheinstrument
clusterinformsyouifthetirepressureistoolow
orifthereisasystemmalfunction.
UsingtheABSsensors,thetirepressuremonitor-
ingsystemcomparesthetiretreadcircumference
andvibrationcharacteristicsoftheindividual
tires.Ifthepressurechangesinoneormore
tires,thisisindicatedintheinstrumentcluster
displaywithanindicatorlight@andamessage.
Ifonlyonetireisaffected,thelocationofthat
tirewillbeindicated.
ThetirepressuresmustbestoredintheInfotain-
mentsystemagaineachtimethepressures
change(switchingbetweenpartialandfullload
pressure)orafterchangingorreplacinga tireon
yourvehicle>page341.Thetirepressuremoni-
toringsystemonlymonitorsthetirepressureyou
havestored.Refertothetirepressurelabelfor
therecommendedtirepressureforyourvehicle
=>page332,fig.265.
Tiretreadcircumferenceandvibrationcharacter-
isticscanchangeandcauseatirepressurewarn-
ingif:
—Thetirepressureinoneormoretiresistoolow
—Thetireshavestructuraldamage
—Thetirewasreplacedorthetirepressurewas
changedanditwasnotstored>page 341
—
Tiresthatareonlypartiallyusedarereplaced
withnewtires
Indicatorlights
@®-Lossof pressureinatleastonetire>A\.
Checkthetiresandreplaceorrepairifnecessary.
Check/correctthepressuresofallfourtiresand
storethepressureagainintheInfotainmentsys-
tem>page341.
is(TirePressureMonitoringSystem)Tirepres-
sure:malfunction!Seeowner'smanual.fi
appearsafterswitchingtheignitiononorwhile
drivingandthe(19)indicatorlightintheinstru-
mentclusterblinksforapproximatelyoneminute
andthenstayson,thereissystemmalfunction.>

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Wheels

Trytostorethecorrecttirepressures
=>page341.Insomecases,youmustdrivefor
severalminutesafterstoringthepressuresuntil
theindicatorlightturnsoff.Iftheindicatorlight
doesturnofforturnsonagainafterashortperi-
odoftime,drivetoanauthorizedAudidealeror
authorizedAudiServiceFacilityimmediatelyto
have themalfunctioncorrected.

ZA\WARNING
—Ifthetirepressureindicatorappearsinthe
display,reduceyourspeedimmediatelyand
avoidanyhardsteeringorbrakingmaneu-
vers.Stopassoonaspossibleandcheckthe
tiresandtheirpressure.
—Thedriverisresponsibleformaintainingthe
correcttirepressure.Youmustcheckthe
tirepressureregularly.
—Undercertainconditions(suchasasporty
drivingstyle,winterconditions,orunpaved
roads),thetirepressuremonitoringsystem
indicatormaybedelayed.

@)Tips
—Thetirepressuremonitoringsystemcanal-
sostopworkingwhenthereisanESCmal-
function.
—Usingsnowchainsmayresultinasystem
malfunction.
—Thetirepressuremonitoringsysteminyour
Audiwascalibratedwith“AudiOriginal
Tires”>page329.Usingthesetiresisrec-
ommended.
Storingtirepressures
Appliesto:vehicleswithTirePressureMonitoringSystemin-
dicator
Ifthetirepressurechangesoratireisreplaced,
itmustbeconfirmedinthe Infotainmentsys-
tem.
>Beforestoringthetirepressures,makesurethe
tirepressuresinallfourtiresmeetthespeci-
fiedvaluesandareadaptedtotheload
=>page332.
>Switchtheignitionon.
>SelectintheInfotainmentsystem:[MENU]but-
ton>Vehicle>Service&checks>Tirepressure


monitoring>Storetirepressure>Yes,store
now.
@Tips
Donotstorethetirepressuresifsnowchains
areinstalled.
341

Careandcleaning

Careandcleaning
Generalinformation
Regular,propercarehelpstomaintainyourvehi-
cle'svalue.Itcanalsobearequirementwhen
submittingwarrantyclaimsforcorrosiondamage
andpaintdefectsonthebody.
Therequiredcleaningandcareproductscanbe
obtained
fromanauthorizedAudidealerorau-
thorizedServiceFacility.Readandfollowthein-
structionsforuseonthepackaging.

ZAWARNING
—Usingcleaningandcareproductsincorrectly
canbedangeroustoyourhealth.
—Alwaysstorecleaningandcareproducts out
ofreachofchildrentoreducetheriskofpoi-
soning.

@Forthesakeoftheenvironment
—Purchaseenvironmentally-friendlycleaning
productsifpossible.
—Donotdisposeofcleaningandcareprod-
uctswithhouseholdtrash.
Carwashes
Thelongerthatdepositssuchasinsects,bird
droppings,treesaporroadsaltremain ontheve-
hicle,themorethesurfacecanbedamaged.High
temperaturessuchasthosecausedbysunlight
increasethedamagingeffect.
Beforewashing,rinseoffheavydepositswith
plentyofwater.
Stubborndepositssuchasbirddroppingsortree
saparebestremovedwithplentyofwateranda
microfibercloth.
Also,washtheundersideofyourvehicleonce
roadsaltstopsbeingusedfortheseason.
Pressurewashers
Whenwashingyourvehiclewithapressurewash-
er,alwaysfollowthe operatinginstructions pro-
videdwiththepressurewasher.Thisisespecially
importantinregardtothepressureandspraying
distance.Donotaimthespraydirectlyatthe
342
sealsonthesidewindows,doors,lidsorthesun-
roof*orattires,rubberhoses,insulatingmateri-
al,sensors*orcameralenses*.Keepadistanceof
atleast16in(40cm).
Donotremovesnowandicewithapressure
washer.
Neveruseconenozzlesorhighpressurenozzles.
Thewatertemperaturemustnotbeabove140°F
(60°C).
Automaticcarwash
Sprayoffthevehiclebeforewashing.
Makesurethatthewindowsandroof*areclosed
andthewindshieldwipersareoff.Followinstruc-
tionsfromthecarwashoperator,especiallyif
thereareaccessoriesattachedtoyourvehicle.
Ifpossible,usecarwashesthatdonothave
brushes.
Washingbyhand
Cleanthevehiclestartingfromthetopandwork-
ingdownwardusingasoftspongeorcleaning
brush.Usesolvent-freecleaningproducts.
Washingvehicleswithmattefinishpaintby
hand
Toreducetheriskofdamagingthepaintwhen
washing,firstremovedustandlargeparticles
fromyourvehicle.Insects,greasespots,andfin-
gerprintsarebestremovedwithaspecialcleaner
formattefinishpaint.
Applytheproductusingamicrofibercloth.Tore-
ducetheriskofdamagingthepaintsurface,do
notuse toomuchpressure.
Rinsethevehiclethoroughlywithwater.Then
cleanusinganeutralshampooandasoftmicro-
fibercloth.
Rinsethevehiclethoroughlyagainandletitair
dry.Removeanywaterresidueusingachamois.

ZAWARNING
—Toreducetheriskofaccidents,onlywash
thevehiclewhentheignitionisoffandfol-
lowtheinstructionsfromthecarwashoper-
ator.

8W0012721BG
Careandcleaning



—Toreducetheriskofcuts,protectyourself—Toreducetheriskofpaintdamage,donot
fromsharpmetalcomponentswhenwash-washthevehicleindirectsunlight.
ingtheunderbodyortheinsideofthewheel—Toreducetheriskofdamage,donotwash
housings.decorativedecals*withapressurewasher.
—Afterwashingthevehicle,thebrakingeffect—Toreducetheriskofdamagetothesurface,
maybedelayedduetomoistureonthedonotuseinsectremovingsponges,kitchen
brakerotorsoriceinthewinter.Thisin-sponges,orsimilaritems.
creasestheriskofanaccident.Thebrakes—Whenwashingmattefinishpaintedvehicle
mustbedriedwithafewcarefulbrakeappli-components:
cations.—Toreducetheriskofdamagetothesur-

face,donotusepolishingagentsorhard
@)Notewax.
—Ifyouwashthevehicleinanautomaticcar—Neveruseprotectivewax.Itcandestroy
wash,youmustfoldtheexteriormirrorsinthemattefinisheffect.
toreducetheriskofdamagetothemirrors.—Donotplaceanystickersormagnetic
Powerfoldingexteriormirrors*mustonlysignsonvehiclecomponentspaintedwith
befoldedinandoutusingthepowerfoldingmattefinishpaint.Thepaintcouldbe
function.damagedwhenthestickersormagnets
—To reducetheriskofdamagetotherimsareremoved.
andtires,comparethewidthbetweenthe
wheelsonyourvehiclewiththedistancebe-@)Forthesakeoftheenvironment
tweentheguiderailsinthecarwash.Onlywashthevehicleinfacilitiesspeciallyde-
—Toreducetheriskofdamage,comparethesignedforthatpurpose.Thiswillreduce the
heightandwidthofyourvehiclewiththeriskofdirtywatercontaminatedwithoilfrom
heightandwidthoftheinsideofthecarenteringthesewersystem.
wash.
Cleaningandcareinformation
Whencleaningandcaringforindividualvehiclearenotlisted,consultanauthorizedAudidealer
components,refertothefollowingtables.TheorauthorizedAudiServiceFacility.Alsofollow
informationcontainedthereissimplyrecommen-__theinformationfoundin>A.
dations.Forquestionsorforcomponentsthat
Exteriorcleaning






ComponentSituationSolution
Windshieldwiper|DepositsSoftclothwithglasscleaner,>page 54
blades
Headlights/DepositsSoftspongewithamildsoapsolution®
Taillights
Sensors/DepositsSensors:softclothwithasolvent-freecleaningsolution
cameralensesCameralenses:softclothwithanalcohol-freecleaningsol-
ution
Snow/iceHandbrush/solvent-freede-icingspray
WheelsRoadsaltWater
BrakedustAcid-freespecialcleaningsolution>

343

8W0012721BG
Emergencyassistance


underneaththevehicle;otherwise,thereisa
potentialriskforinjury.
—NeverusethejacksuppliedwithyourAudi
onanothervehicle,particularlyonaheavier
one.Thejackisonlysuitableforuseonthe
vehicleitcamewith.
@Tips
—Insomevehicles,therearcompartment
maynotopen.


—Thevehiclejackinyourvehicleismainte-
nance-free.
Tiremobilitykit
Appliesto:vehicleswithtiremobilitykit
>Readandfollowtheimportantsafetyprecau-
tions>page348.
>Set theparkingbrake.
Appliesto:vehicleswithmanualtransmission
>Shiftinto1stgear.
Appliesto:vehicleswithautomatictransmission
>Selectthe"P"selectorleverposition.
> Checkifarepairwiththetiremobilitykitispos-
sible>page349.
Usingthetiremobilitykit
Appliesto:vehicleswithtiremobilitykit

B8K-1475




Fig.267Tire:tiredamagethatcannotberepaired
Thetirerepairisonlymeantfortemporaryuse.
Changethedamagedtireassoonaspossible
>A.
Ifthetireispiercedbyanobjectsuchasanail,
donotremovetheobjectfromthetire.
Thetiremobilitykitcanbe usedattemperatures
aslowas -4°F(-20°C).
Thetiremobilitykitmustnotbeused:
—Ifthetirehascutsorpuncturesthatare larger
than0.16in(4mm)@©fig.267
—Iftherimisdamaged@)
—Ifyouhavedrivenwithverylowtirepressureor
withoutairinthetire@)
SeeanauthorizedAudidealerorauthorizedAudi
ServiceFacilityforassistanceinthesesituations.

Z\WARNING
—Pleasenotethatthetiremobilitykitcannot
beusedinallsituations,andthatitmayon-
lybeusedtemporarily.
—Thetiresealantmustnotcomeincontact
withskin,eyes,orclothing.
—Iftiresealantcomesintocontactwithyour
eyesoryourskin,thoroughlyrinsetheaf-
fectedareaimmediatelywithcleanwater.
—Donotinhalethefumes.
—Ifyouswallowanyofthetiresealant,thor-
oughlyrinseyourmouthimmediatelyand
drinkalotofwater.Donotinducevomiting.
Seekmedicalattentionimmediately.
—Changeyourclothingimmediatelyifit
comesintocontactwithtiresealant.
—Ifanallergicreactionoccurs,seekmedical
attentionimmediately.
—Keepthetiresealantawayfromchildren.
G@)Tips
—Ifsealantleaks,allowittodryinplace.You
canthenpeelitofflikeasticker.
—Notetheexpirationdateonthesealantbot-
tle.Replacethetiresealantatanauthorized
AudidealerorauthorizedAudiServiceFa-
cility.

—Radioreceptioncanbeinterruptedwhen
operatingthecompressor.
—Follow thelegalregulationsthatareappli-
cableinthecountrywhereyouareoperating
thevehicle.
349