2019 AUDI S4 audio

8W0012721BG
Airbagsystem

theseatmaypreventtheAdvancedAirbagSys-
temforthefrontpassengerseatfromdoingits
jobinacrash.
ThefrontAdvancedAirbagSystemconsists
ofthefollowing:
—Crashsensorsinthefrontofthevehiclethat
measurevehicleacceleration/decelerationto
provideinformationtotheAdvancedAirbag
Systemabouttheseverityofthecrash.
— Anelectroniccontrolunit,withintegrated
crashsensorsforfrontandsideimpacts.The
controlunit“decides”whethertofirethefront
airbagsbasedontheinformationreceivedfrom
thecrashsensors.Thecontrolunitalso“de-
cides”whetherthesafetybeltpretensioners
shouldbeactivated.
— AnAdvancedAirbagwithgasgeneratorand
controlvalveforthedriver insidethesteering
wheelhub.
— AnAdvancedAirbagwithgasgeneratorand
controlvalveinsidetheinstrumentpanelfor
thefrontpassenger.
—Acapacitivepassengerdetectionsystemunder-
neaththefrontpassengerseatcover.Thissys-
temmeasurestheelectricalcapacitanceofthe
personintheseat.Theinformationregistered
issent continuouslytotheelectroniccontrol
unit toregulatedeploymentofthefrontAd-
vancedAirbagonthepassengerside.
— Anairbagmonitoringsystemandindicator
lightkaintheinstrumentcluster.
—Asensorineachfrontseatregistersthedis-
tancebetweentherespectiveseatandthe
steeringwheelorinstrumentpanel.Theinfor-
mationregisteredissent continuouslytothe
electroniccontrolunittoregulatedeployment
ofthefrontAdvancedAirbags.
—ThePASSENGERAIRBAGOFF#;ON@light
comesonintheheadliner>page273,fig.230
andtellsyouthestatusoftheAdvancedAirbag
onthepassengerside.
—Asensorinthesafetybeltlatchforthedriver
andforthefrontseatpassengerthatsenses
whetherthatsafetybeltislatchedornotand
transmitsthisinformationtotheelectronic
controlunit.


ZAWARNING
Damagetothefrontpassengerseatcanpre-
ventthefrontairbagfromworkingproperly.
—Improperrepairordisassemblyofthefront
passengeranddriverseatwillpreventthe
AdvancedAirbagSystemfromfunctioning
properly.
—Repairstothefrontpassengerseatmustbe
performedbyqualifiedandproperlytrained
workshoppersonnel.
—Neverremovethefrontpassengerordriver
seatfromthevehicle.
—Neverremovetheupholsteryfromthefront
PassengerSeat.
—Neverdisassembleorremovepartsfromthe
seatordisconnectwiresfromit.
—Nevercarrysharpobjectsinyourpocketsor
putthemontheseat.Thecapacitivepassen-
gerdetectionmatinthefrontpassenger
seatwillnotfunctionproperlyifitispunc-
tured.
—Nevercarrythingsonyourlaporcarryob-
jectsonthefrontpassengerseat.Suchob-
jectscaninfluencethecapacitanceregis-
teredbythecapacitivepassengerdetection
system,sothatincorrectinformationispro-
videdtotheairbagcontrolunit.
—Neverstoreitemsunderthefrontpassenger
seat.PartsoftheAdvancedAirbagSystem
underthepassengerseatcouldbedam-
aged,preventingthemandtheairbagsys-
temfromworkingproperly.
—Neverplaceseatcoversorreplacementup-
holsterythathavenotbeenspecificallyap-
proved by Audionthefrontseats.
—SeatcoverscanpreventtheAdvancedAirbag
Systemfromrecognizingchildrestraintsor
occupantsonthefrontpassengerseatand
preventthesideairbagintheseat backrest
fromdeployingproperly.
—Ifaseatheaterhasbeenretrofittedor oth-
erwiseaddedtothefrontpassengerseat,
neverinstallanychildrestraintsystemon
thisseat.
—Neverusecushions,pillows,blankets,or
similaritemsonthefrontpassengerseat.
Theadditionallayerspreventthecapacitive

269

Airbagsystem


OFF$¥;lightcomesonandstaysonallthe
timewhenever theignitionisswitchedon.

ZAWARNING
—IfthePASSENGERAIRBAGOFF%;light
doesnotgooutwhenanadultissittingon
thefrontpassengerseataftertakingthe
stepsdescribed above,makesuretheadult
isproperlyseatedandrestrainedatoneof
therearseatingpositions.
—Havetheairbagsysteminspectedbyyour
authorizedAudidealerbefore transporting
anyoneonthefrontpassengerseat.
G)Tips
Ifthecapacitivepassengerdetectionsystem
determinesthatthefrontpassengerseatis
empty,thefrontalairbagonthepassenger
sidewillbeturnedoff,andthePASSENGER
AIRBAGOFF;lightwillstayon.
Repair,careanddisposaloftheairbags
Partsoftheairbagsystemareinstalledatmany
differentplacesonyourAudi.Installing,remov-
ing,servicingorrepairingapartinanareaofthe
vehiclecandamageapartofanairbagsystem
andpreventthatsystemfromworkingproperly
inacollision.

Therearesomeimportantthingsyouhaveto
knowtomakesurethattheeffectivenessofthe
systemwillnot beimpairedandthatdiscarded
componentsdonotcauseinjuryorpollutethe
environment.

ZA\WARNING
Impropercare,servicingandrepairproce-
durescanincreasetheriskofpersonalinjury
anddeathbypreventinganairbagfromde-
ployingwhenneededordeployinganairbag
unexpectedly:
—Nevercover,obstruct,orchangethesteer-
ingwheelhornpadorairbagcoverorthein-
strumentpanelormodifytheminanyway.
—Neverattachanyobjectssuchascupholders
ortelephonemountingstothesurfacescov-
eringtheairbagunits.

276

—Forcleaningthehornpadorinstrument
panel,useonlyasoft,dryclothoronemois-
tenedwithplainwater.Solventsorcleaners
coulddamagetheairbagcoverorchange
thestiffnessorstrengthofthematerial so
that
theairbagcannotdeployandprotect
properly.
—Neverrepair,adjust,orchangeanypartsof
theairbagsystem.
—Allworkonthesteeringwheel,instrument
panel,frontseatsorelectricalsystem(in-
cludingtheinstallationofaudioequipment,
cellulartelephonesandCBradios,etc.)
mustbeperformedbyaqualifiedtechnician
whohasthetrainingandspecialequipment
necessary.
—Foranyworkontheairbagsystem,we
stronglyrecommendthatyouseeyourau-
thorizedAudidealerorqualifiedworkshop.
—Nevermodifythefrontbumperorpartsof
thevehiclebody.
—Alwaysmakesurethatthesideairbagcan
inflatewithoutinterference:
—Neverinstallseatcoversorreplacement
upholsteryoverthefrontseatbacksthat
havenotbeenspecificallyapprovedbyAu-
di.
—Neveruseadditionalseatcushionsthat
covertheareaswherethesideairbagsin-
flate.
—Damagetotheoriginalseatcoversorto
theseamintheareaofthesideairbag
modulemustalwaysberepairedimmedi-
atelyby anauthorizedAudidealer.
— Theairbagsystemcandeployonlyonce.Af-
teranairbaghasbeendeployed,it mustbe
replacedwithnewreplacementpartsde-
signedandapprovedespeciallyforyourAudi
model
version.Replacementofcomplete
airbagsystemsorairbagcomponentsmust
beperformedbyqualifiedworkshopsonly.
Makesurethatanyairbagserviceactionis
enteredinyourAudiWarranty&Mainte-
nancebookletunderAIRBAGREPLACEMENT
RECORD.
—Forsafetyreasonsinsevereaccidents,the
alternatorandstarterareseparatedfrom

8W0012721BG
Childsafety


—Takethechildrestraint offthefrontpassen-
gerseatandinstallitproperlyatoneofthe
rearseatpositionsifthePASSENGERAIR
BAGOFF%;lightdoesnotstayon.
—Havetheairbagsysteminspectedbyyour
authorizedAudidealerimmediately.
@Tips
ThechildseatslistedincategoriesAtoC have
beenstaticallytestedbyAudionlyfortheAd-
vancedAirbagfunction.
Importantsafetyinstructionsforusing
childsafetyseats
Correctuseofchildsafetyseatssubstantiallyre-
ducestheriskofinjuryinanaccident!


Asthedriver,youareresponsibleforthesafetyof
everybodyinthevehicle,especiallychildren:
>Alwaysuse therightchildsafetyseatforeach
childandalwaysuseitproperly>page291.
>Alwayscarefullyfollow thechildsafetyseat
manufacturer'sinstructionsonhowtoroute
thesafetybeltproperlythroughthechildsafe-
ty seat.
>Whenusingthevehiclesafetybelttoinstalla
childsafetyseat,youmustfirstactivatethe
convertiblelockingretractoronthesafetybelt
topreventthechildsafetyseatfrommoving
=>page296.
>Pushthechildsafetyseatdownwithyourfull
weighttoget thesafetybeltreallytightso that
theseatcannotmoveforwardorsidewaysmore
thanoneinch(2.5cm).
>Secureunusedsafetybeltsontherearseat
=>page291.
Alwaysremember:Eventhoughyourvehicleis
equippedwithanAdvancedAirbagsystem,all
children,especiallythose12yearsandyounger,
shouldalwaysrideinthe backseat properlyre-
strainedfortheirageandsize.

Z\WARNING
Notusinga childsafetyseat,usingthewrong
childsafetyseatorimproperlyinstallinga



childrestraintincreasestheriskofserious
personalinjuryanddeath.
—Allvehicleoccupantsandespeciallychildren
mustberestrainedproperlywheneverriding
inavehicle.Anunrestrainedorimproperly
restrainedchildcouldbeinjuredbystriking
theinteriororbybeingejectedfromtheve-
hicleduringasuddenmaneuverorimpact.
Anunrestrainedorimproperlyrestrained
childisalsoatgreaterriskofinjuryordeath
throughcontactwithaninflatingairbag.
—Commerciallyavailablechildsafetyseatsare
requiredtocomplywithU.S.FederalMotor
VehicleSafetyStandard(FMVSS)213(in
CanadaCMVSS213).
—Whenbuyinga childrestraint,selectone
thatfitsyourchildandthevehicle.
—Onlyusechildrestraintsystemsthatfully
contacttheflatportionoftheseatcush-
ion.Thechildrestraintmustnottipor
lean toeitherside.Audidoesnotrecom-
mendusingchildsafetyseatsthatreston
legsortube-likeframes.They donotpro-
videadequatecontactwiththeseat.
—Alwaysheedalllegalrequirementsper-
tainingtotheinstallationanduseofchild
safetyseatsandcarefullyfollowthein-
structionsprovidedby themanufacturer
oftheseatyouareusing.
—Neverallowchildrenunder57inches
(1.45meters)towearanormalsafetybelt.
Theymustalwaysberestrainedbyaproper
childrestraintsystem.Otherwise,they
couldsustaininjuriestotheabdomenand
neckareasduringsuddenbrakingmaneu-
versoraccidents.
—Neverletmorethanonechildoccupyachild
safetyseat.
—Neverletbabiesorolderchildrenrideina
vehiclewhilesittingonthelapofanother
passenger.
—Holdinga childinyourarmsisneverasub-
stituteforachildrestraintsystem.
—Thestrongestpersoncouldnotholdthe
childwiththeforcesthatexistinanacci-
dent.Thechildwillstriketheinteriorof
thevehicleandcanalsobestruckby the
passenger.

289

CheckingandFilling

Addingengineoil

B8K-2120



Fig.257Enginecompartment:engineoilfilleropening
cover
Observethesafetyprecautions>A\inWorking
intheenginecompartmentonpage309.
>Turn theengineoff.
>Openthehood>page310.
>Unscrewthecap%~fortheengineoilfiller
opening>fig.257.
>Carefullyadd0.5quart(0.5liter)ofthecorrect
oil>page312.
>Closetheengineoilfilleropeningcap.
>Closethehood>page310.
>Restarttheignitionaftertwominutesandread
thecurrentoillevelintheInfotainmentsystem
=>page313,Checkingtheengineoillevel.
>Addmoreoilifnecessary.

ZXWARNING
—Whenaddingoil,donotletoildripontohot
enginecomponents.Thisincreasestherisk
ofafire.
—Youmustsealthecapontheoilfilleropen-
ingcorrectlyso thatoildoesnotleakouton-
tothe hotengineandexhaustsystemwhen
theengineisrunning,becausethisisa fire
hazard.
—Alwayscleanskinthoroughlyifitcomesinto
contactwithengineoil.
—Engineoilispoisonousandmustbekeptout
ofreachofchildren.
—Storetheengineoilsecurelyintheoriginal
container.


@)Note
— TheNewVehicleLimitedWarrantydoesnot
coverdamageormalfunctionsiftherecom-
314
mendedintendeduseofthevehicleand
maintenance
measureslistedinthe Audi
Owner'sManualandtheWarranty&Main-
tenanceBookletwerenotfollowed.
—Onlyusehigh-gradeengineoilthatexplicit-
lymeetsthe Audioilqualitystandardfor
yourvehicle.Usinganotheroilmaycause
severevehicledamage.
—Donotmixanyadditionallubricantsinto
theengineoil.Damagecausedbysuchaddi-
tivesisnotcoveredbythewarranty.
(@)Forthesakeoftheenvironment
—Oilshouldnever enterthesewersystemor
come
intocontactwiththeground.
—Followthelegalregulationsinthecountry
whereyouarelocatedwhendisposingof
emptyoilcontainers.
Changingengineoil
Werecommendhavingtheoilchangedatanau-
thorizedAudidealerorauthorizedAudiService
Facility.
Followthesafetyprecautions>page309,Work-
ingintheenginecompartment.
Theengineoilmustbechangedattheintervals
specifiedintheWarranty&MaintenanceBook-
let.Thisisveryimportantbecausethelubrication
functionoftheoilgraduallydeclinesduringregu-
larvehicleoperation.
Theengineoilshouldbechangedmorefrequent-
lyundercertaincircumstances.Havetheoil
changedmorefrequentlyifyouoftendriveshort
distances,yourvehicleispredominantlyinstop-
and-gotrafficsituations,isinverydustyenviron-
ments,orisoperatedforlongperiodsoftimein
temperaturesbelowzero.
Cleansingadditivesintheoilmakefreshoilap-
peardarkeraftertheenginehasrunbriefly.This
isnormalandnoreasontochangetheengineoil
morefrequentlythanrecommended.
Becausecorrectlydisposingofengineoilisdiffi-
cultandspecialtoolsandtechnicalknowledge
areneededforanoilchange,havingyourengine

Wheels

@USDOTnumber(TIN)and
manufacturedate
Themanufacturedateislistedon
thetiresidewall(itmayonlyap-
pearontheinnersideofthetire):
DOT...2218...
means,forexample,thatthetire
wasproducedinthe22ndweekof
theyear2018.
@)AudiOriginalTires
AudiOriginalequipmenttires
withthedesignation“AO”have
beenspeciallymatchedtoyour
Audi.Whenusedcorrectly,these
tiresmeetthehigheststandards
forsafetyandhandling.Anau-
thorizedAudidealerorauthor-
izedAudiServiceFacilitywillbe
abletoprovideyouwithmorein-
formation.
@)Mudandsnowcapability
“M/S”or“M+S”indicatesthetire
issuitablefordrivingonmudand
snow./A\indicatesawintertire.
Compositionofthetirecord
andmaterials
Thenumberofpliesindicatesthe
numberofrubberizedfabriclay-
ersinthetire.Ingeneral:the
morelayers,themoreweighta
tirecancarry.Tiremanufacturers
324
mustalsospecifythematerials
usedinthetire.Theseinclude
steel,nylon,polyesterandother
materials.
@)Maximumpermittedload
Thisnumber indicatesthemaxi-
mumloadinkilogramsand
poundsthatthetirecancarry.
@Uniformtirequalitygrade
standardsfortreadwear,
tractionandtemperature
resistance
Treadwear,tractionand tempera-
tureranges>page339.
@Runningdirection
Thearrowsindicatetherunning
directionofunidirectionaltires.
Youmustalwaysfollowthespeci-
fiedrunningdirection
>page354.
Maximumpermitted
inflationpressure
Thisnumber indicatesthemaxi-
mumpressuretowhichatirecan
beinflatedundernormaloperat-
ingconditions.

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

8W0012721BG
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

8W0012721BG
Accessoriesandtechnicalchanges

ServiceFacility,whowillperformtheworkac-
cordingtoAudifactoryspecifications.Only
AudiGenuinePartsareusedwhenAudiex-
pertsperformrepairorserviceprocedures.
FailuretouseAudiGenuinePartsorAudiGen-
uineAccessoriesorperformingrepairsincor-
rectlymayresultinseverevehicledamage,
suchascorrosion.
Accessoriesandparts
ConsultwithanauthorizedAudidealerorauthor-
izedAudiServiceFacilitybeforepurchasingac-
cessoriesorreplacementparts.Werecommend
thatyouhaveyourvehicleservicedby anauthor-
izedAudidealerorauthorizedAudiServiceFacili-
tyandthatAudiGenuinePartsandAudiGenuine
Accessoriesareused.
Audidoesnotendorsetheuseofproductsand
accessoriesthatithasnotevaluated,evenifthe
productisapprovedbyacertifiedtestingagency
orgovernmentagency.

ZAWARNING
—Installingunapprovedaccessoriesorincor-
rectreplacementpartscancausevehicle
damageandcanincreasetheriskofanacci-
dent.
—Neverattachaccessories,suchastelephone
holdersorcupholders,totheairbagcovers
orwithintheairbagdeploymentzone,be-
causethisincreasestheriskofinjuryifthe
airbagdeploys.
—Donotusealicenseplatebracketonthe
frontbumperthatisdifferentfromthe
bracketinstalledatthefactory,and donot
attachanyadditionalbrackets.

()Note
Acorrectly-installedexteriorantennaisre-
quiredforoperatingradioequipmentinthe
vehicle.Otherwise,theincreasedelectromag-
neticwavescancausemalfunctionsintheve-
hicle.Observetheregulationsinthecountry
wherethevehicleisbeingoperatedandthe
instructionsfromtheradioequipmentmanu-
facturer.
ReportingSafetyDefects
ApplicabletoU.S.A.
Ifyoubelievethatyourvehicle
hasadefectwhichcouldcausea
crashorcouldcauseinjuryor
death,youshouldimmediatelyin-
formtheNationalHighwayTraffic
SafetyAdministration(NHTSA)in
additiontonotifying
AudiofAmerica,Inc.
2200FerdinandPorscheDrive
Herndon,VA20171
IfNHTSAreceivessimilarcom-
plaints,itmayopenaninvestiga-
tion,andifitfindsthatasafety
defectexistsinagroupofvehi-
cles,itmayorderarecalland
remedycampaign.However,
NHTSAcannotbecomeinvolvedin
individualproblemsbetweenyou,
yourdealer,orAudiofAmerica,
Inc.
TocontactNHTSA,youmaycall
theVehicleSafetyHotlinetoll-
freeat1-888-327-4236(TTY:1-
800-424-9153);gotohttp://
www.safercar.gov;
369