2019 AUDI A4 steering wheel

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
Airbagsystem


thevehiclebatterywithapyrotechniccircuit
interrupter.
—Workonthepyrotechniccircuitinterrupter
mustonlybeperformedbyaqualified
technicianswhohavetheexperience,in-
formationandspecialtoolsnecessaryto
performtheworksafely.
—Ifthevehicleorthecircuitinterrupteris
scrapped,allapplicablesafetyprecautions
mustbefollowed.
OtherthingsthatcanaffectAdvanced
Airbagperformance
Changingthevehicle'ssuspensionsystemcan
changethewaythattheAdvancedAirbagSystem
performsinacrash.Forexample,usingtire-rim
combinationsnotapprovedbyAudi,loweringthe
vehicle,changingthestiffnessofthesuspension,
includingthesprings,suspensionstruts,shock
absorbersetc.canchangetheforcesthatare
measuredbytheairbagsensorsandsenttothe
electroniccontrolunit.Somesuspensionchanges
can,forexample,increasetheforcelevelsmeas-
uredbythesensorsandmaketheairbagsystem
deployincrashesinwhichitwouldnotdeployif
thechangeshadnotbeenmade.Otherkindsof
changesmayreducetheforcelevelsmeasuredby
thesensorsandpreventtheairbagfromdeploy-
ingwhenitshould.

ZA\WARNING
Changingthevehicle'ssuspensionincluding
useof unapprovedtire-rimcombinationscan
changeAdvancedAirbagperformanceandin-
creasetheriskofseriouspersonalinjuryina
crash.
—Neverinstallsuspensioncomponentsthat
donothavethesameperformancecharac-
teristicsasthecomponentsoriginallyinstal-
ledonyourvehicle.
—Neverusetire-rimcombinationsthathave

notbeenapprovedbyAudi.

Kneeairbags
preaal)aCeaitLs-eh)
Thekneeairbagsystemcanprovidesupplemen-
talprotectiontoproperlyrestrained frontseat
occupants.
= g
=
8

Fig.231Driver'skneeairbag
Thedriverkneeairbagisintheinstrumentpanel
underneaththesteeringwheel>fig.231,the
airbagforthepassengerisataboutthesame
heightintheinstrumentpanelunderneaththe
glovecompartment.
Thekneeairbagoffersadditionalprotectionto
thedriver'sandpassenger'skneesandupperand
lowerthigh areasandsupplementstheprotec-
tionprovidedbythesafetybelts.
Ifthefrontairbagsdeploy,thekneeairbagsalso
deployinfrontalcollisionswhenthedeployment
thresholdstoredinthecontrolunitismet
=page271,Moreimportantthingstoknow
aboutfrontairbags.
Inadditiontotheirnormalsafetyfunction,safe-
tybeltshelpkeepthedriverorfrontpassengerin
positioninafrontalcollisionso thattheairbags
canprovidesupplementalprotection.
Theairbagsystemisnotasubstituteforyour
safetybelt.Rather,itispartoftheoveralloccu-
pantrestraintsysteminyourvehicle.Alwaysre-
memberthattheairbagsystemcanonlyhelpto
protectyouifyouarewearingyoursafetybelt
andwearingitproperly.Thisiswhyyoushouldal-
wayswearyoursafetybelt,notjustbecausethe
lawrequiresyoutodoso>page253,Generalin-
formation.
277
>

8W0012721BG
Airbagsystem

tailSelecaetLiamiedoMolmat-Mdal-1-)
airbagsystem
Airbagsareonlysupplementalrestraints.Always
wearsafetybeltscorrectlyandrideinaproper
seatingposition.
Thereisalotthatyou andyourpassengersmust
knowanddotohelpthesafetybeltsandairbags
toprovidesupplementalprotection.

Z\WARNING
Aninflatingkneeairbagcancauseseriousin-
jury.Wearingsafetybeltsincorrectlyandim-
properseatingpositionsincreasetheriskof
seriouspersonalinjuryanddeathwhenevera
vehicleisbeingused.
— Thekneeairbagsystemcannotprotectyou
properlyifyouareseatedtooclosetoanyof
theairbaglocations.Whenadjustingtheir
seatpositions,it isimportantthatboththe
driverandthefrontpassengerkeeptheir
upperbodiesandkneesatthefollowing
minimumsafedistances:
—atleast10inches(25cm)betweenthe
chestandthesteeringwheel/instrument
panel.
—atleast4inches(10cm)betweenthe
kneesandthelowerpartoftheinstru-
mentpanel.
—Theriskofpersonalinjuryincreasesifyou
leanforwardortotheside,oriftheseatis
improperlypositionedandyouarenotwear-
ingyoursafetybelt.Theriskincreaseseven
moreshouldtheairbagdeploy.
—Alwaysmakesurethatthekneeairbagcan
inflatewithoutinterference.Objectsbe-
tweenyouandtheairbagcanincreasethe
riskofinjuryinanaccidentbyinterfering
withthewaytheairbagdeploysorbybeing
pushedintoyouastheairbagdeploys.
—Neverletanybody,especiallychildrenor
animalsrideinthefootwellinfrontofthe
passengerseat.Iftheairbagdeploys,this
canresultinseriousorfatalinjuries.
—Nevercarryobjectsofanykindinthefoot-
wellareainfrontofthedriver'sor pas-
senger'sseat.Bulkyobjects(shopping

bags,forexample)caninterferewithor

preventproperdeploymentoftheairbag.
Smallobjectscanbethrownthroughthe
vehicleiftheairbagdeploysandinjureyou
oryourpassengers.
— Makesuretherearenocracks,deepscratch-
esorotherdamageintheareaoftheinstru-
mentpanelwherethekneeairbagsarelo-
cated.
—Ifchildrenareincorrectlyseated,theirrisk
ofinjuryincreasesinacollision>page285,
Childsafety.


Sideairbags
Descriptionof sideairbags
Theairbagsystemcanprovidesupplemental
protectiontoproperlyrestrainedoccupants.
QS
9
==3S

Fig.233Sideairbaglocationinthedriver'sseat
Thesideairbagsarelocatedinthesidesofthe
frontseatbackrests>fig.233andtherearback-
rest*facingthedoors.
Thesideairbagsinstalledforthefrontseating
positionshavebeendesignedandcertifiedto
helpreducetheriskofinjurythatcanbecaused
byairbagswhentheyinflate,particularlywhen
theoccupantsittingnexttoitisnotseatedprop-
erly.Thesideairbagforthefrontpassengerseat
canbeusedwithproperlyinstalledchildre-
straints.Pleasebesuretoreadtheimportantin-
formationandwarningswheneverusingachild
restraintinavehicle:Safetybelts>page253,
Airbagsystem>page261,Childsafety
=>page285.
Thesideairbagsystembasicallyconsistsof:
—theelectroniccontrolmoduleandexternalside
impactsensors
279
>

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



—Onlyusetiresthataremore—Inflationpressurethatistoolow
thansixyearsoldwhenabso-orhighcanincreasetirewear
lutelynecessaryanddriveconsiderably.
carefullywhendoingso.—Drivingquicklythroughcurves,
—Donotuserun-flattiresonrapidacceleration,andheavy
yourvehicle.Usingthemwhenbrakingincreasetirewear.
notpermittedcanleadtove-—HaveanauthorizedAudidealer
hicledamageoraccidents.orauthorizedAudiServiceFacili-
—Ifyouinstallwheelcoversontycheckthewheelalignmentif
thevehicle,makesuretheyal-thereisunusualwear.
lowenoughaircirculationto—Havethewheelsrebalancedifan
coolthebrakesystem.Iftheyimbalanceiscausingnoticeable
donot,thiscouldincreasethevibrationinthesteeringwheel.
riskofanaccident.Ifyoudonot,thetiresandother
vehiclecomponentscouldwear
Tirewearanddamagemorequickly.

Treadwearindicator
Originalequipmenttirescontain
treadwearindicatorsinthetread
pattern,whicharebarsthatare
1/16in(1.6mm)highandare
spacedevenlyaroundthetireper-
Fig.263Tireprofile:creaniweneacependiculartotherunningdirec-
tortion>fig.263.Theletters“TWI”
Tirewearortrianglesonthetiresidewall
indicatethelocationofthetread-
Checkthetiresregularlyforwear.wearindicators.
Thetireshavereachedthemini-
mumtreaddepth!)whenthey>

DObeyanyapplicableregulationsinthe
country
wherethevehicleisbeingoper-
ated.
331

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

Fusesandbulbs


Fuseassignment-Leftsideoftheluggage
compartm
Fusepanel(©)(red)
10|Dynamicsteering


11|Enginestart
Fuseassignment-Driver'ssideofthe
(fold4o)ig

B4M-0148


Fig.280Driversidecockpit:fusepanelwithplasticbracket
























Fusepanel
No.|Equipment
1|Vehicleopening/start(NFC)-
2
|
TelephonePaineoftheluggagecompartment:fusepanel
4|Head-updisplay
5|Audimusicinterface,USBchargingportFusepanel(@)(black)
6|FrontclimatecontrolsystemcontrolsNo.|Equipment
7
|
Steeringcolumnlock2|Windshielddefroster
8
|
Infotainmentsystemdisplay 3|Windshielddefroster
9|InstrumentclusterS
|
Suspensioncontrol
10
|
Infotainmentunit6|Automatictransmission
11
|
Lightswitch,switchpanel7
|
Rearwindowdefogger
12
|
Steeringcolumnelectronics8
|
Rearseatheating
14
|
Infotainmentsystem9
|
Lefttaillights
16
|
Steeringwheelheating10
|
Leftsafetybelttensioner

360
11|Centrallockingsystem

12|Luggagecompartmentlid

Fusepanel(8)(red)

No.|Equipment

Notassigned

Fusepanel©(brown)

No.|Equipment

2|Telephone


Lumbarsupport

8W0012721BG

Audivirtualcockpit
refertoInstrumentcluster..............13
AUTO
Automaticheadlights..................47
AutoLock(centrallockingsystem).........28
Automaticbeltretractor.............2..256
Automaticclimatecontrol..............0571
AUdidriveSelECEwisn:ssaansoeam& 2tee126
Operation«cess cuesooowno 2ermvoar72
Automaticclimatecontrolsystem
StUscsausa aomewensa «osamen4 ©onawemewaarmen©ete74
Automaticluggagecompartmentlid....36,37
Automatictransmission................0585
Emergencyprogram............0eeens90
Hilldescentcontrol.........0.0eeeeeee88
KIGkKeCOWfinnx +cours& 2nwgne7 2seme4 eeea89
Launchcontrolprogram.............-.-89
Manualshifting...............02..000-88
Parkinglockemergencyrelease..........91
Selectorleverpositions...............0585
Automaticwipe/washsystem.............53
AUTO(button)
Automaticclimatecontrolsystem........73
Auxiliaryheater(automaticclimatecontrol).74
AUXipUtesas.+ ¢eesseenaooemaoooo226
Averageconsumption...............0-5-19
AVETAGESHEEs«snowy5 7aur4oseeeeER19
B
BACK,DUttONsue« Balance(sound)..............00000000-244
Band
refertoFrequencyband...............215
Bass\(SOU)sam:x xzene¢ 2ems2 ewee2 52244
Battery...............0000.0202318
GCharginGhsws+wusayswean« emene6 ©eee3319
JUMPSEANEIING«eavessxameay@ ©sieaweyocoprone6362
Winteroperation...............-.0005318
Beforedriving.................0eeeeee247
Belttensioners...................2200.259
Blower(automaticclimatecontrolsystem)..73
Bluetooth
Audioplayer..........-..00eeeeee223
Connectingacellphone...............171
SeteimgStcvcnssoacon««mea+wees6wesw4243
BOOSt:2woesosmuonsvceava eewevee20
BoosterSeats'siessere«=ewesooces«3comes294
Boostpressureindicator.................20
Brakefluid
Checkingthebrakefluidlevel...........317
BrakeS0...eeeee141
Brakeassist...2.00.00...eeeeeeeeeee138
Brakeflidies«sas«=yeux2 »comeseeee2B17
Electromechanicalparkingbrake.........82
Emergencybrakingfunction.............82
Newbrakepads»seus« «weanssamen2 2oe141
Break-insecurityfeature.................34
Breakingin
Newbrakepads«says5 =cawo»geeso ¢eas141
Newtil@Sisiecccesesiocoerceovcomseeevweens329
Browser
refertoMediacenter.............-000230
BUlBSisacmossamme6serenea0cranes0ones8361
Buttons
Controlpanel(MMI)..............000.145
Multifunctionsteeringwheel.........15,18
SwitchingtheInfotainmentsystemdisplay
Cable(USBadapter/AUXconnectorcable)..226
CaliforniaProposition65Warning........310
Batteryspecific.................-.04.318
Calllist..0.0...eeeeee176
Calloptions..........0.0.0eeeeeeee183
Capacities
Fueltank................0000eee373
Washerfluidreservoir.............000.373
Cargoarea
refertoLoadingtheluggagecompartment.64
CatkeVius+ 2eawsyogeesxycaoyeee»ees29
Garwashic Catalyticconverter’.¢cssseanseeeesues308
CDdrive(mediadrives).................221
Cellphone
refertoTelephone..........ceeeeeeee171
Cellphonecompartment
refertoAudiphonebox...............174
Centerarmrest««2cess2sawsoseeeoeee59
Centrallocking):« sseessyeeu:speerssewes28
Gonveniencekeysca«xsnuens«6sume«3een«31
Convenienceopeningandclosing.........41