2019 AUDI A4 light

8W0012721BG
CheckingandFilling

oilchangedby anauthorizedAudidealeror au-
thorizedAudiServiceFacilityisrecommended.
Ifyouchangetheengineoilyourself,pleasenote
thefollowingimportantinformation:

ZA\WARNING
Ifyouchangetheengineoilonthevehicle
yourself,thefollowingprecautionsmustbe
followed:
—Wearprotectiveeyewear.
—Duetotheriskofscalding,allowtheengine
to cooldownsufficiently.
—Maintainenoughdistancewhenyouarere-
movingtheoildrainplug.Whiledoingthis,
keep yourforearmparalleltothegroundto
reducetheriskofhotoildrippingdownyour
arm.
—Draintheoilintoacontainerdesignedfor
thispurposethatislargeenoughtoholdthe
fullamountofoilinyourengine.
—Engineoilispoisonous.Alwaysstoreoutof
reachofchildren.
—Prolongedcontactofusedengineoilwith
theskinmaycauseskindamage.Always
washoiloffimmediatelywithsoapand wa-
tertoprotectyourskin.

@®)Note
Donotmixanyadditiveswiththeengineoil.
Additivesmaycauseengine damagethatis
notcoveredbyyourNewVehicleLimitedWar-
ranty.
@Forthesakeoftheenvironment
—Beforechangingtheengineoil,makesure
youcandisposeoftheusedengineoilcor-
rectly.
—Engineoilmustalways bedisposedofcor-
rectly.Donot dumpitintheyard,inthefor-
est,orinopenwater,riverchannels,orsew-
ers.
—Haveyour usedengineoilrecycledbybring-
ingittoausedoilcollectionsiteorcontact
agasstation.
Coolingsystem
Theenginecoolingsystemisfilledwithamixture
ofpurifiedwaterandcoolantadditiveatthefac-
tory.Thiscoolantmustnotbenotchanged.
ThecoolantlevelismonitoredthroughtheBin-
dicatorlight>page22.However,occasionally
checkingthecoolantlevelmanuallyisrecom-
mended.
Ifyoumustaddcoolant,useamixtureofwater
andcoolantadditive.Mixing thecoolantadditive
withdistilledwaterisrecommended.
Coolantadditive
Thecoolantadditiveismadeofanti-freezingand
corrosionprotectionagents.Onlyuse thefollow-
ingcoolantadditives.Theseadditivesmaybe
mixedwitheachother.

CoolantadditiveSpecification
G12++TL774G
G131TL774]




Theamountofcoolantadditivethatneedstobe
mixedwithwaterdependsontheclimatewhere
thevehiclewillbeoperated.Ifthecoolantaddi-
tivepercentageistoolow,thecoolantcanfreeze
anddamagetheengine.

CoolantFreezeprotec-
additivetion
Warmmin.40%min.-13°F
regionsmax.45%(-25°C)
Cold min.50%max.-40°F
regionsmax.55%(-40°C)


C@)Note
—Beforethestartofwinter,haveanauthor-
izedAudidealerorauthorizedAudiService
Facilitycheckifthecoolantadditiveinyour
vehiclematchesthepercentageappropriate
fortheclimate.Thisisespeciallyimportant
whendrivingincolderclimates.
—Iftheappropriatecoolantadditiveisnot
availableinanemergency,donotadd any
otheradditive.Youcoulddamagethe
315

CheckingandFilling

engine.Ifthishappens,onlyusewaterand
restorethecorrectmixtureratiowiththe
specifiedcoolantadditiveassoonaspossi-
ble.
—Onlyrefillwithnewcoolant.
—Radiatorsealantmustnot bemixedwith
thecoolant.
Addingcoolant

©=FeRAZ-0540


MIN

Fig.258Enginecompartment-coolantexpansiontank
(diagram):@coverwithreleasebutton;2)markings
Observethesafetyprecautions>page309,
Workingintheenginecompartment.
Checkingtheenginecoolantlevel
>Parkthevehicleonalevelsurface.
>Switchtheignitionoff.
>Readthecoolantlevelonthecoolantexpansion
tank>page311,fig.256.Thecoolantlevel
mustbebetweenthemarkings@)>fig.258
whentheengineiscold.Whentheengineis
warmitcanbeslightlyabovetheupper mark-
ing.
Addingcoolant
>Allowtheenginetocool.
> Placealarge,thicktowelonthecoolantexpan-
siontankcover.
>Pushthereleasebutton(@)9fig.258onthe
capandcarefullyturnittotheleftuntilyou
feelresistance>/\.
>Pushthereleasebuttonagainandremovethe
capcompletely.
>Makesurethatthefluidlevelremainsstable.
Add morecoolantifnecessary.
>
Turn thecaptotherighttotightenituntilyou
feelresistanceasecondtime.
316
Coolantlossusuallyindicatesthatthereisaleak.
Immediatelydriveyourvehicletoanauthorized
AudidealerorauthorizedAudiServiceFacility
andhavethecoolingsysteminspected.Ifthe
coolingsystemisnotleaking,coolantlosscanre-
sultfromthecoolantboilingdueoverheating
andthenbeingforcedoutofthecoolingsystem.

ZA\WARNING
— Theenginecompartmentinanyvehiclecan
beadangerousarea.Stoptheengineandal-
lowitto coolbeforeworkingintheengine
compartment.Alwaysfollowtheinforma-
tionfoundin>page309,Workinginthe
enginecompartment.
—Neveropenthehoodifyoucan seeorhear
steamorcoolantescapingfromtheengine
compartment.Thisincreasestheriskof
burns.Thecoolingsystemisunderpressure.
Whenyounolongerseeorhearsteamor
coolantescaping,youmayopentheengine
compartmentwithcaution.
—Whenworkingintheenginecompartment,
rememberthattheradiatorfancanswitch
oneveniftheignitionisswitchedoff,which
increasestheriskofinjury.
—Coolantadditiveandcoolantcan bedanger-
oustoyourhealth.Forthisreason, storethe
coolantintheoriginalcontainerandaway
fromchildren.Thereisariskofpoisoning.

@)Note
Donotaddcoolantiftheexpansiontankis
empty.Theremaybe airinthecoolingsys-
tem,whichincreasestheriskofenginedam-
age.Ifthisisthecase,donotcontinuedriv-
ing.SeeanauthorizedAudidealerorauthor-
izedAudiServiceFacilityforassistance.

8W0012721BG
CheckingandFilling

Brakefluid
B8K-2122



Fig.259Enginecompartment:caponbrakefluidreservoir
Observethesafetyprecautions>A\inWorking
intheenginecompartmentonpage309.
Checkingthebrakefluidlevel
>Readthebrakefluidlevelonthebrakefluidres-
ervoir>page311,fig.256.Thebrakefluidlev-
elmustbebetweentheMINandMAXmarkings
>A.
Thebrakefluidlevelismonitoredautomatically.
Changingthebrakefluid
Brakefluidshouldbechangedatregularinter-
vals.Havethebrakefluidchangedby anauthor-
izedAudidealerorauthorizedAudiServiceFacili-
ty.TheauthorizedAudidealerorauthorizedAudi
ServiceFacilitywillinformyouofthereplace-
mentintervals.

ZAWARNING
—IfthebrakefluidlevelisbelowtheMIN
marking,itcanimpair thebrakingeffectand
drivingsafety,whichincreasetheriskofan
accident.Donotcontinuedriving.Seeanau-
thorizedAudidealerorauthorizedAudi
ServiceFacilityforassistance.
—Ifthebrakefluidisold,bubblesmayformin
thebrakesystemduringheavybraking.This
couldimpairbrakingperformanceanddriv-
ingsafety,whichincreasestheriskofanac-
cident.
— Thebrakefluidinyourvehiclemustmeet
thestandardVW50114andisavailableat
anauthorizedAudidealerorauthorizedAu-
diServiceFacility.Ifthisbrakefluidisnot
available,anotherhigh-gradebrakefluidof


equivalentqualitymaybeused,anditmust
meettheU.S.FederalMotorVehicleStand-
ard(FMVSS)116DOT4,Class6.
Q)Note
—IfthebrakefluidlevelisabovetheMAX
marking,brakefluidmayleakoutoverthe
edgeofthereservoirandresultindamage
tothevehicle.
—Donotallowanybrakefluidto comeinto
contactwiththevehiclepaint,becauseit
willcorrodethepaint.

Electricalsystem
Ifthe=orflindicatorlightturnson,thereisa
malfunctioninthegenerator,thebattery, orthe
vehicleelectricalsystem.
=Electricalsystem:malfunction!Safelystop
vehicle
Donotcontinuedrivingandswitchtheengineoff
=>AX.SeeanauthorizedAudidealerorauthorized
AudiServiceFacilityforassistance.
[HlElectricalsystem:malfunction!Restartnot
possible.PleasecontactService
Itwillnot bepossibletorestarttheengineonce
youturnitoff.Vehiclefunctions/drivingstability
maybelimited.DrivetoanauthorizedAudideal-
erorauthorizedAudiServiceFacilityimmediate-
ly.
z=Electricalsystem:malfunction!Pleasecon-
tactService
Switchoffallelectricalequipmentthatisnot
needed.Vehiclefunctions/drivingstabilitymay
belimited.DrivetoanauthorizedAudidealeror
authorizedAudiServiceFacilityimmediately.
z=Electricalsystem:lowbatterycharge.Bat-
tery
willbechargedwhiledriving
Thestartingabilitymaybeimpaired.
Ifthismessageturnsoffafteralittlewhile,the
vehiclebatteryhaschargedenoughwhiledriving.>
317

CheckingandFilling

Ifthismessagedoesnotturnoff,driveimmedi-
atelytoanauthorizedAudidealerorauthorized
AudiServiceFacility.

ZA\WARNING
Whenthereisanelectricalsystemmalfunc-
tion,vehiclefunctionsmaynotworkanddriv-
ingstabilitymaybelimited,whichincreases
theriskofanaccident.Stopdrivingand
switchtheengineoff.SeeanauthorizedAudi
dealerorauthorizedAudiServiceFacilityfor
assistance.

Battery
Prlaameeeelec)
Becauseofthecomplexpowersupply,allworkon
batteriessuchasdisconnecting,replacing,etc.,
should only beperformedby anauthorizedAudi
dealerorauthorizedAudiServiceFacility>A\.
Multiplebatterieswithdifferenttechnologies
maybeinstalledinyourvehicle:
—Vehiclebattery(forexample,forstartingthe
engine,basicpowersupply)>page319,Lead
batteryor>page319,Otherbatterytypes
—Auxiliarybattery(forexample,forrecuperation
oroptionalequipment)>page319,Otherbat-
terytypes
Notrunningthevehicleforlongperiodsof
time
Thebatterywillgraduallydrainifthevehicle
doesnotrunforlongperiodsoftime.Toensure
thatthevehiclecanstillbestarted,theelectrical
equipmentwillbereducedorswitchedoff
=>page143.Someconveniencefunctions,such
asinteriorlightingorpowerseatadjustment,
maynotbeavailableundercertaincircumstan-
ces.Theseconveniencefunctionswillbeavailable
againonceyouswitchtheignitiononandstart
theengine.
Evenwhenelectricalequipmentisswitchedoff,
theequipmentcanstilldrainthebatteryifthe
vehicleisnotdrivenforlongperiodsoftime.
Deepdrainingresultsinachemicalreactionthat
destroys
theinsideofthebattery.Thebattery
318
mustbechargedeverymonthtopreventthis
=page319.Contact anauthorizedAudidealeror
authorizedAudiServiceFacilityformoreinfor-
mation.
Winteroperation
Coldweatherplaceshigherdemandsonthebat-
tery.Thisresultsinreducedstartingability.Have
thebatterycheckedbyanauthorizedAudidealer
orauthorizedAudiServiceFacilitybeforecold
weatherbegins.

Z\WARNING
—Allworkonthebatteryorelectricalsystem
inyourvehiclecanresultininjuries,chemi-
calburns,accidents,or burns.Becauseof
this,allworkmustbeperformedonlybyan
authorizedAudidealerorauthorizedAudi
ServiceFacility.
—Neverconnectthechargingcableorjump
startcabledirectlytoyourvehiclebattery.
Onlyusethe connectionsintheenginecom-
partment>page319.

ZAWARNING
CaliforniaProposition65Warning:
—Batteryposts,terminalsandrelatedacces-
soriescontainleadandleadcompounds,
chemicalsknowntotheStateofCalifornia
tocausecancerandreproductiveproblems.
Washhandsafterhandling.
()Note
—Ifthevehiclewillbe parkedforlongperiods
oftime,protectthebatteryagainstthecold
so thatitwillnot be destroyed by“freezing”
=page319,Chargingthebattery.
—Thereareelectricalcomponentsunderthe
cargofloorbehindatrimpanelthatwarm
upduringoperation.To reducetheriskof
thecomponentsoverheating, donotstore
objectssuchasblanketsunderthecargo
floor.Ifthecomponentsoverheat,theywill
switchofftemporarily.Thiswillbeindicated
byamessagethatwillbedisplayedinthe
instrumentclusteruntilthetemperaturere-
turnstonormal.

CheckingandFilling

>Attheendofthechargingprocess,switchthe
chargeroffandpullthepowercableoutofthe
socket.
>Removethechargingdeviceterminalclamps.
>Closetheredcoveronthepositiveterminal.
>Closethehood>page310.

ZXWARNING
—Neverconnectthechargingcabledirectlyto
yourvehiclebattery.Onlyuse the connec-
tionsintheenginecompartment
=>page319.
—Ahighlyexplosivemixtureofgasescanform
whenchargingbatteries.Onlychargethe
batteryinwell-ventilatedareas.
—Adrainedbatterycanfreezeattempera-
turesaround329F(02C).Donotchargeor
useafrozenorthawedbattery.If iceforms,
thebatteryhousingcancrackandbattery
electrolytecanleakout,whichincreasesthe
riskofanexplosionandchemicalburns.
Contact anauthorizedAudidealerorauthor-
izedAudiServiceFacilityformoreinforma-
tion.
—Donotconnectordisconnectthecharging
cablewhilechargingbecausethisincreases
theriskofanexplosion.

@)Tips
Readallofthemanufacturer'sinstructions
forthechargerbeforechargingthebattery.
Windshieldwasher
system

B8W-0125



Fig.261Enginecompartment:washerfluidreservoircap
ThewindshieldwasherfluidreservoirScontains
thecleaningsolutionforthewindshieldandthe
320
headlightwashersystem*>page311,fig.256.
Thereservoircapacitycanbefoundin
=>page373.
Toreducetheriskoflimescaledepositsonthe
spraynozzles,usecleanwaterwithlowamounts
ofcalcium.Alwaysaddwindowcleanertothewa-
ter.Whentheoutsidetemperaturesarecold,an
anti-freezingagentshould beaddedtothewater
sothatitdoesnotfreeze.
C)Note
— Theconcentrationofanti-freezingagent
mustbeadjustedtothevehicleoperating
conditionsandtheclimate.Aconcentration
thatistoohighcanleadtovehicledamage.
—Neveraddradiatoranti-freezeorotheraddi-
tivestothewasherfluid.
—Donotuseaglasscleanerthat contains
paintsolvents,becausethiscoulddamage
thepaint.
Serviceintervaldisplay
Theserviceintervaldisplaydetectswhenyourve-
hicleisdueforservice.
Checkingserviceintervals
Youcan checktheremainingdistanceortimeun-
tilthenextoilchangeornextinspectioninthe
Infotainmentsystem.

>SelectintheInfotainmentsystem:the[MENU
button>Vehicle>leftcontrolbutton>Service
&checks>Serviceintervals.

Resettingtheindicator
AnauthorizedAudidealerorauthorizedAudi
ServiceFacilitywillresettheserviceintervaldis-
playafterperformingservice.
Ifyouhavechangedtheoilyourself,youmustre-
settheoilchangeinterval.

>SelectintheInfotainmentsystem:the|MENU
button>Vehicle>leftcontrolbutton>Service
&checks>Serviceintervals>Resetoilchange
interval.

Wheels

Wheels Wheels
andTires
Generalinformation
>Checkyourtiresregularlyfor
damage,suchaspunctures,
cuts,cracks,andbulges.Remove
foreignobjectsfromthetire
tread.
>Ifdrivingovercurbsorsimilar
obstacles,driveslowlyandap-
proachthecurbatanangle.
>Havefaultytiresorrimsre-
placedimmediately.
>Protectyourtiresfromoil,
grease,andfuel.
>Marktiresbeforeremoving
themsothatthesamerunning
directioncanbemaintainedif
theyarereinstalled.
>Laytiresflatwhenstoringand
storetheminacool,drylocation
withaslittleexposuretolightas
possible.

AWARNING
—Neverdrivefasterthanthe
maximumpermittedspeedfor
yourtires.Thiscouldcausethe
tirestoheatuptoomuch.This
increasestheriskofanacci-
dentbecauseitcancausethe
tiretoburst.

322


—Alwaysadaptyourdrivingto
theroadandtrafficcondi-
tions.Drivecarefullyandre-
duceyourspeedonicyorslip-
peryroads.Evenwintertires
canlosetractiononblackice.

()Note
—Pleasenotethatsummerand
wintertiresaredesignedfor
theconditionsthataretypical
inthoseseasons.Audirecom-
mendsusingwintertiresdur-
ingthe wintermonths.Low
temperaturessignificantlyde-
creasetheelasticityofsumm-
ertires,whichaffectstraction
andbrakingability.Ifsummer
tiresareusedinverycoldtem-
peratures,crackscanformon
thetreadbars,resultingin
permanenttiredamagethat
cancauselouddrivingnoise
andunbalancedtires.
—Burnished,polishedor
chromedrimsmustnotbe
usedinwinterdrivingcondi-
tions.Thesurfaceoftherims
doesnothavesufficientcorro-
sionprotectionforthisand
couldbepermanentlydam-
agedbyroadsaltorsimilar
substances.

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.>

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