check engine light AUDI A4 2019 User Guide

8W0012721BG
CheckingandFilling

CheckingandFilling
Fuel
ahemelt)
Thecorrectgasolinegradeisstatedontheinside
ofthefuelfillerdoor.
Thevehicleisequippedwithacatalyticconverter
andmustonlybedrivenwithunleadedgasoline.
AudirecommendsusingTOPTIERDetergentGas-
oline.ForadditionalinformationonTOPTIERDe-
tergentGasoline,visitwww.toptiergas.com.
Theindividualgasolinegradesaredifferentiated
byoctaneratings.Thisvalueisgivenwith(R
+M)/2equatingtoAKIorinRON.
Theheadingsbelowmatchthestickerinthefuel
fillerdoor.
UNLEADEDFUELONLYMIN.(R+M)/287
Regular/MIN.RON91Regular
Useregulargasolinewithminimum87AKI/
91RON>©.
Themaximumenginepowerisonlyreachedif
premiumgasoline91AKI/95RONisused.
UNLEADEDFUELONLYPREMIUMMIN.(R
+M)/291/SUPERMIN.RON95
Usingpremiumgasolinewithminimum91AKI/
95RONisrecommended.
Ifpremiumgasolineisnotavailable,youcanalso
useregulargasoline87AKI/91RON.However
thisdoesreduce theenginepowerslightly.
@)Note
—Fillingthetankjustonetimewithleaded
fuel orothermetallicadditiveswillcause
permanentdeteriorationtothecatalytic
converterfunction.
—Whengasolinewithanoctaneratingthatis
toolowisused,highspeedsorheavyengine
loadcanleadtoenginedamage.
@Tips
Thevehiclemaybefilledwithfuelthathasa
higheroctaneratingthanwhatisrequiredby
theengine.
Gasolinemixture
GasolinewithalcoholorMTBE(Methyl-Tert-
Butyl-Ether)
Youcan useunleadedgasolinemixedwithalco-
holorMTBE(generallylabeledasoxygenated
compounds)aslongasthefuelmeetsthefollow-
ingconditions:
Gasolinewithmethanolcontent(methylalco-
holormethanol)
—Anti-KnockIndexisatleast87AKI
—Nomorethan3%methanol
—Morethan2%solvent
Gasolinewithethanolcontent(ethylalcoholor
ethanol)
—Anti-KnockIndexisatleast87AKI
—Nomorethan15%ethanol
GasolinewithMTBEcontent
—Anti-KnockIndexisatleast87AKI
—Nomorethan15%MTBE
Gasolineadaptedtotheseason
Manygasolinefuelsareadaptedtotheseasons.
Whentheseasonchanges,werecommendrefu-
elingathigh-trafficgasstations.Itismorelikely
thatthegasolinewillbesuitablefortheseason
there.
()Note
—Gasolinewithmethanolcontentthatdoes
notmeetthespecifiedconditionsmaycause
corrosiondamageanddamagetoplasticor
rubbercomponentsinthefuelsystem.
—Donotusegasoline thatdoesnotmeetthe
specifications.
—Ifyouareunabletofindoutifaspecificgas-
olinemixturemeetsthespecifications,ask
the gasstationoperatorortheirfuelsuppli-
er.
305
>

8W0012721BG
CheckingandFilling

Thecorrectfueltypeforyourvehiclecanbe
foundonalabellocatedontheinsideofthefuel
fillerdoor.Foradditionalinformationonfuel,see
=>page305.
Forthetankcapacityinyourvehicle,refertothe
TechnicalData>page373.
Toreducetheriskoffuelleakingoutorvapors
escaping,makesurethatthefueltankisclosed
correctly.OtherwisetheEyindicatorlightwill
turnon.
Ifthecentral lockingsystemmalfunctions,there
isafuelfillerdooremergencyrelease
=>page308.


Z\WARNING
Improperfuelingproceduresandimproper
handlingoffuelcanlead toexplosions,fires,
severeburns,andotherinjuries.
—Donotsmoke.Keepawayfrom openflames.
—Theignitionmustbeswitchedoffwhenre-
fueling.
—Mobiledevices,radiodevices,andotherra-
dioequipmentshouldalways be switched
offwhenrefueling.Electromagneticrays
couldcausesparksandstartafire.
—Ifyoudonotinsertthefuelpumpnozzleall
thewayintothefillertube,thenfuelcan
leakout.Spilledfuelcanigniteandstarta
fire.
—Nevergetintothevehiclewhenrefueling.If
thereisanexceptionalsituationwhereyou
mustenterthevehicle,closethedoorand
touchametalsurfacebeforetouching the
fuelpumpnozzleagain.Thiswillreducethe
riskofelectrostaticdischargethatcancause
flyingsparks.Sparks canstarta firewhen
refueling.

—Ifyoumusttransportfuelinafuelcontain-
er,notethefollowing:
—Alwaysplacethefuelcontaineronthe
groundbeforefilling.Neverfillthefuel
containerwithfuelwhileitisinsideoron
thevehicle.Electrostaticdischargecanoc-
curwhilerefuelingandthefuelvapors
couldignite.
—Whenusingfuelcontainersmadeofmet-
al,thefuelpumpnozzlemustalwaysre-
mainincontactwiththecontainertore-
ducetheriskofstaticcharge.
—Insertthefuelpumpnozzleasfaraspos-
sibleintothefilleropeningwhilerefuel-
ing.
—Followtheapplicablelegalregulationsin
thecountrywhereyouaredrivingwhen
using,storingandtransportingfuelcon-
tainers.
—Makesurethatthefuelcontainermeets
theindustrystandards,forexampleANSI
orASTMF852-86.


Z\WARNING
Transportingfuelcontainersinsidethevehicle
isnotrecommended.Fuelcouldleakoutof
thecontainerandignite,especiallyduringan
accident.Thiscan causeexplosions,fires,and

injuries.


)Dependingontheengine
()Note
—Removefuelthathasoverflowedontoany
vehiclecomponentsimmediatelytoreduce
theriskofdamagetothevehicle.
—Neverdriveuntilthefueltankiscompletely
empty.Theirregularsupplyoffuelthatre-
sultsfromthatcan causeenginemisfires.
Uncombustedfuelmayentertheexhaust
systemandincreasetheriskofdamageto
thecatalyticconverter.
(@)Forthesakeoftheenvironment
Donotoverfillthefueltank,orfuelcouldleak
outwhenthevehicleiswarmingup.
@)Tips
Thefuelfillerdoor onyourvehicledoesnot
lockifyoulockthevehiclefromtheinsideus-
ing
thecentral lockingswitch.
307

8W0012721BG
CheckingandFilling

OnBoardDiagnosticSystem
EnginedatacanbereadoutattheOnBoardDi-
agnosticSystemconnectionportusingaspecial
testingdevice>fig.253.
Indicatorlight
IftheSindicatorlightblinksorturnson,there
isamalfunctionthatiscausingpooremissions
qualityandthatcoulddamagethecatalyticcon-
verter.DriveslowlytoanauthorizedAudidealer
orauthorizedAudiServiceFacilitytohave the
malfunction
corrected.
Theindicatorlightcanalsoturnonifthefuelfill-
ercapisnotclosedcorrectly>page306).

Z\WARNING
Incorrectuseofthe connectionportforthe
OnBoardDiagnosticSystemcancausemal-
functions,whichcanthenresultinaccidents
andseriousinjuries.
—OnlyallowanauthorizedAudidealerorau-
thorizedAudiServiceFacilitytoreadout the
enginedata.

Enginecompartment
MelatimimsaCeMtalemeen)Seen1n
Specialcareisrequiredifyouareworkinginthe
enginecompartment
Forworkintheenginecompartment,suchas
checkingandfillingfluids,thereisariskofin-
jury,scalding,accidents,andburns.Forthis
reason,followallthewarningsandgeneral
safetyprecautionsprovidedinthe followingin-
formation.Theenginecompartmentisadan-
gerousarea.>/\.

Z\WARNING
—Turntheengineoff.
—Switchtheignitionoff.
—Settheparkingbrake.
—Onvehicleswithamanualtransmission,
movethegearshiftlevertoneutral,andon


)Dependingontheengine


vehicleswithanautomatictransmission,se-
lectthe“P”(Park)position.
—Allowtheenginetocool.
—Keepchildrenawayfromtheenginecom-
partment.
—Neverspillfluidsonahotengine.Theseflu-
ids(suchastheanti-freezingagentcon-
tainedinthecoolant)canignite.
—Avoidshortcircuitsintheelectricalsystem.
—Neverreachintotheradiatorfan.Thefanis
temperature-controlledandcanturnon
suddenly,evenwhentheignitionisswitched
off.
—Neveropenthehoodwhenthereissteamor
coolantescapingfromtheenginecompart-
ment,becausethereisariskthatyoucould
beburned.Waituntilnosteamorcoolantis
escaping.
—Neveropenthecaponthecoolantexpan-
siontankwhentheengineiswarm.The
coolingsystemisunderpressure.
—Toprotectyourface,hands,andarmsfrom
hotsteamorcoolant,coverthecapwitha
thick clothwhenopening.
—Donotremovetheenginecoverunderany
circumstances.Thisincreasestheriskof
burns.
—Duetotheriskofelectricshock,nevertouch
theignitioncableorothercomponentsin
theelectronichigh-voltageignitionsystem
whentheengineisrunningorisstarting.
—Ifagearisengagedwhilethevehicleissta-
tionaryandtheengineisrunning,donot
presstheacceleratorpedalinadvertently.
Pressingtheacceleratorpedalwillcausethe
vehicletomove,andthiscouldresultinan
accident.
—Ifinspectionsorrepairsmustbeperformed
whiletheengineisrunning,movingcompo-
nents(suchastheribbedbelt,generator,
and
radiatorfan)poseanadditionalrisk.
—Firstsettheparkingbrake,andthenmove
thegearshiftlevertoneutralonvehicles
withamanualtransmissionorselectthe

309

CheckingandFilling


“P”(Park)positiononvehicleswithanau-
tomatictransmission.
—Alwaysmakesurethatnopartsofthe
body,jewelry,ties,looseclothing,and
longhaircanbecaughtinmovingengine
components.Beforeanywork,alwaysre-
moveanyjewelryandties,tiebacklong
hair,andmakesureallclothingfitsclose
tothebodytotoreducetheriskofany-
thingbecomingcaughtinenginecompo-
nents.
—Payattentiontothefollowingwarnings
whenworkonthefuelsystemisrequired:
— Donotsmoke.
—Neverworknearopenflames.
—Alwayshaveaworkingfireextinguisher
nearby.
—Allworkonthebatteryorelectricalsystem
inyourvehiclecanresultininjuries,chemi-
calburns,accidents,or burns.Becauseof
this,allworkmustbeperformedonlyby an
authorizedAudidealerorauthorizedAudi
ServiceFacility.
—Limityour exposuretoexhaustandchemi-
calsto asshortatimeaspossible.

Z\WARNING
CaliforniaProposition65Warning:
—Engineexhaust,someofitsconstituents,
andcertainvehiclecomponentscontainor
emitchemicalsknowntotheStateofCali-
forniatocausecancerandbirthdefectsand
reproductiveharm.Inaddition,certainflu-
idscontainedinvehiclesandcertainprod-
ucts ofcomponentwearcontainoremit
chemicalsknowntotheStateofCalifornia
tocausecancerandbirthdefectsorother
reproductiveharm.
—Batteryposts,terminalsandrelatedacces-
soriescontainleadandleadcompounds,
chemicalsknowntotheStateofCalifornia
tocausecancerandreproductiveharms.
Washhandsafterhandling.

310
CG)Note
Whenfillingfluids,besurenottoaddanyflu-
idstothewrongreservoirs.Otherwisesevere
malfunctionsandenginedamagewilloccur.
@)Forthesakeoftheenvironment
Youshouldregularlycheckthegroundunder
yourvehicleinordertodetectleaksquickly.If
therearevisiblespotsfromoilorotherfluids,
bringyourvehicletoanauthorizedAudideal-
erorauthorizedAudiServiceFacilitytobe
checked.
Openingandclosingthehood
Thehoodisreleasedfrominsidethevehicle.

B8W-0042


Fig.255Unlockedhood:lever
Makesurethewiperarmsarenotraisedupfrom
thewindshield.Otherwisethepaintcouldbe
damaged.
Openingthehood
>Withthedriver'sdooropen,pulltheleverbe-
lowtheinstrumentpanelinthedirectionofthe
arrow>fig.254.
>Raisethehoodslightly>A\.

8W0012721BG
CheckingandFilling

>Pressthelever>fig.255inthedirectionofthe
arrow.Thisreleasesthehooks.
>Openthehood.
Closingthehood
>Pushthehooddownuntilyouoverridethe
forceofthestruts.
>»Letthehoodfalllightlyintothelatch.Donot
pressitin.>/\.

ZAWARNING
—Neveropenthehoodwhenthereissteamor
coolantescapingfromtheenginecompart-
ment,becausethereisariskthatyoucould
beburned.Waituntilnosteamorcoolantis
escaping.


Enginecompartmentove
—Forsafetyreasons,thehoodmustalwaysbe
closedsecurelywhiledriving.Becauseof
this,alwayscheckthehoodafterclosingit
tomakesureitislatchedcorrectly.Thehood
islatchedifthefrontcornerscannotbelift-
ed.
—Ifyounoticethatthehoodisnotlatched
whileyouaredriving,stopimmediatelyand
closeit,becausedrivingwhenthehoodis
notlatchedincreasestheriskofanaccident.
—Ifthehoodisnotlatchedcompletely,it
couldflyupwhileyouaredrivingandob-
structyourvision.

Themostimportantcheckpoints.

aimN
Fig.256Typicallocationof thereservoirandtheengineoilfilleropening
Followthesafetyprecautions>page309.
@Washerfluidreservoir(S)>page320

@Jumpstartpoints:(+)underacover,(-)with
hexheadscrew>page319>page362
)Engineoil filleropening(7) >page313
311
>

CheckingandFilling

@®Engineoillabel*withVWstandard
=>page312
©Coolantexpansiontank(-£)>page316
©Brakefluidreservoir(C))>page317
Thecoolantexpansiontankandtheengineoil
fillingopeningmaybelocatedindifferentplaces
within
theenginecompartment,dependingon
theengineversion.
Engineoil
Iftheengineoillevelistoolow
Ifyouneedtoaddengineoil,useanoilthatis
listedonthesticker.Thestickerislocatedatthe
frontoftheenginecompartment>page311,
fig.256.
Iftherecommendedengineoilisnotavailable,in
anemergencyyoumayaddamaximumof1
quart(1liter)ofACEAC3orAPISNengineoil
onetimeuntilthenextoilchange.
Formoreinformationonthecorrectengineoil
foryourvehicle,contactanauthorizedAudideal-
erorauthorizedAudiServiceFacility.Havetheoil
changedbyanauthorizedAudidealerorauthor-
izedServiceFacility.

Audirecommends
Slastiol(ZIDIBIEProrzssional
AudirecommendsusingtheLongLifehigh-per-
formanceengineoilfromAudiGenuineParts.
Messages
Engineoilpressure


&Turnoffengine.Oilpressuretoolow
Stopdrivingandswitchtheengineoff.Checkthe
engineoillevel>page313.
—Iftheengineoillevelistoolow,addengineoil
=>page314.Onlycontinuedrivingoncethein-
dicatorlightturnsoff.
—Iftheengineoilleveliscorrectandtheindica-
torlightstillturnson,turntheengineoffand
do
notcontinuedriving.SeeanauthorizedAudi
dealerorauthorizedAudiServiceFacilityforas-
sistance.
312
Engineoillevel
Applies
to:vehicleswithoillevelwarning
BPleaseaddoilimmediately.
Stoptheengineanddonotcontinuedriving.
Checktheengineoillevel>page313and add
engineoilimmediately>page314.
2Pleaseaddmax.xqt(xl)oil.Youcancon-
tinuedriving
Addtheamountof oil shownimmediately
>page314.
Reducingtheoillevel
3Pleasereduceoillevel.
Thereistoomuchoilintheengineandthereisa
risk
ofdamagingthecatalyticconverteroren-
gine.DrivetoanauthorizedAudidealerorau-
thorizedAudiServiceFacilityimmediatelytohave
engineoilextractedifnecessary.Avoidhighen-
ginespeeds,fullacceleration,andheavyengine
loads.
Engineoilsensor
&Oillevelsensor:oilchangenecessary.Please
contactService
Fuelhasenteredtheengineoil.Thiswillcause
theengineoilleveltoriseslowlyandtheengine
oilqualitytodecrease.Donotextractengineoil
toreducethelevel,becausethiswillincreasethe
riskofenginedamage.DrivetoanauthorizedAu-
didealerorauthorizedAudiServiceFacilityim-
mediatelytohaveengineoilextracted.
&Oillevelsystem:malfunction!Pleasecon-
tactService
Thesensorthatcheckstheengineoillevelhas
malfunctioned.DrivetoanauthorizedAudideal-
erorauthorizedAudiServiceFacilityimmediately
tohavethemalfunctioncorrected.
2Oilpressuresensor:malfunction!Please
contactService
Thesensorthatcheckstheengineoilpressure
hasmalfunctioned.DrivetoanauthorizedAudi
dealerorauthorizedAudiServiceFacilityimmedi-
atelytohavethemalfunctioncorrected.

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.