2019 AUDI A4 engine

8W0012721BG
IntelligentTechnology

—Foradditionalinformationondynamic
steering,see>page126.
Allwheeldrive(quattro)
Appliesto:vehicleswithallwheeldrive
Theall-wheeldrivesystemdistributesthedriving
powervariablytothefrontandrear axle toim-
provethedrivingcharacteristics.Itworkstogeth-
erwithselectivewheeltorquecontrol,whichcan
activatewhendrivingthroughcurves
=>page138.
Appliesto:vehicleswithquattroultra:Ifthedriv-
ingsituationdoesnotrequireallwheeldrive,
thentherearsectionofthedrivetrainwilldecou-
pletosavefuel.Thesystemconstantlydeter-
minesandanticipatesifallwheeldriveisneeded.
Thisallowsthereardrivetraintorecoupleshortly
beforeitisneeded.
Theallwheeldriveconceptisdesignedforhigh
enginepower.Yourvehicleisexceptionallypow-
erfulandhasexcellentdrivingcharacteristics
bothundernormaldrivingconditionsandon
snowandice.Alwaysreadandfollowsafetypre-
cautions>A\.

ZAWARNING
—Eveninvehicleswithallwheeldrive,you
shouldadaptyourdrivingstyletothecur-
rentroadandtrafficconditionstoreduce
theriskofanaccident.
— Thebrakingabilityofyourvehicleislimited
tothetractionofthewheels.Inthisway,it
isnotdifferentfromatwowheeldrivevehi-
cle.Donotdrivetoofastbecausethisin-
creasestheriskofanaccident.
—Notethatonwetstreets,thefrontwheels
can“hydroplane’”ifdrivingatspeedsthat
aretoohigh.Unlikefrontwheeldrivevehi-
cles,theengineRPMdoesnotincreasesud-
denlywhenthevehiclebeginshydroplaning.
Adaptyourspeedtotheroadconditionsto
reducetheriskofanaccident.

Sportdifferential
Appliesto:vehicleswithsportdifferential
Thesportdifferentialdistributesthedrivepower
totherearaxlebasedonthesituation.Thegoal
isahighlevelofagilityandabilitytoaccelerate
oncurves.Thevehicleisveryresponsivetosteer-
ing.ThesettingsdependontheselectedAudi
driveselect*mode.
Energymanagement
Yourvehicleisequippedwithanintelligentener-
gymanagementsystemfordistributingelectrici-
ty.Thissignificantlyimprovesthestartingability
andincreasesthevehiclebatterylife.
@)Tips
—Ifyoudriveshortdistancesfrequently,the
vehiclebatterymaynotchargeenough
whiledriving.Asaresult,conveniencefunc-
tionsforelectricalequipmentmaybetem-
porarilyunavailable.
—Thevehiclebatterywillgraduallydrainif
the
vehicleisnotdrivenforlongperiodsof
time,orifelectricalequipmentisused
whentheengineisnotrunning.Toensure
thatthevehiclecanstillbestarted,the
electricalequipmentwillbelimitedor
switchedoff.
Noticeaboutdata
recordedbytheEvent
DataRecorderand
vehiclecontrolmodules
EventDataRecorder
Thisvehicleisequippedwithan Event DataRe-
corder(EDR).ThemainpurposeofanEDRisto
record,incertaincrashornearcrash-likesitua-
tions,suchasanairbagdeploymentorhittinga
roadobstacle,datathatwillassistinunderstand-
inghowavehicle'ssystemsperformed.TheEDR
isdesignedto recorddatarelatedtovehicledy-
namics andsafetysystemsforashortperiodof
time,typically30secondsorless.TheEDRinthis
vehicleisdesignedtorecordsuchdataas:>
143

IntelligentTechnology

—Howvarioussystemsinyourvehiclewereoper-
ating;
—Whetherornotthedriverandpassengersafety
beltswerebuckled/fastened;
—Howfar(ifatall)thedriverwasdepressingthe
acceleratorand/orbrakepedal;and,
—Howfastthevehiclewastraveling.
Thesedatacanhelpprovideabetterunderstand-
ingofthecircumstancesinwhichcrashesandin-
juriesoccur.NOTE:EDRdataarerecordedby your
vehicleonlyifanon-trivialcrashsituationoccurs;
nodataarerecordedbytheEDRundernormal
drivingconditionsandnopersonaldata(e.g.,
name,gender,age,andcrashlocation)arere-
corded.However,otherparties,suchaslawen-
forcement,couldcombinetheEDRdatawiththe
typeofpersonallyidentifyingdataroutinelyac-
quiredduringacrashinvestigation.
Toreaddata recordedby anEDR,specialequip-
mentisrequired,andaccesstothevehicleorthe
EDRisneeded.Inadditiontothevehiclemanu-
facturer,otherparties,suchaslawenforcement,
thathavethespecialequipment,canreadthein-
formationifthey haveaccesstothevehicleorthe
EDR.
Somestatelawsrestricttheretrievalordown-
loadingofdatastoredbyEDRsinstalledinavehi-
clefortheexpresspurposeofretrievingdataaf-
teranaccidentorcrasheventwithouttheown-
er'sconsent.
AudiwillnotaccesstheEDRand/orsimilardata
orgiveittoothers-
—unlessthevehicleowner(orlesseeifthevehi-
clehasbeenleased)agrees; or
—upontheofficialrequestbythepolice;or
—upontheorderofacourtoflaworagovern-
mentagency;or
—forthedefenseofalawsuitthroughthejudicial
discoveryprocess.
—Audimayalsousethedataforresearchabout
vehicleoperationandsafetyperformanceor
providethedatatoathirdpartyforresearch
purposeswithoutidentifyingthespecificvehi-
cleorinformationabouttheidentityofitsown-
er orlesseeandonlyaftertherecordedvehicle
datahasbeenaccessed.
144
Vehiclecontrolmodules
Yourvehicleisalsoequippedwithanumberof
electroniccontrolmodulesforvariousvehicle
systems,suchasenginemanagement,emission
control,airbags,andsafetybelts.
Theseelectroniccontrolmodulesrecorddata
duringnormalvehicleoperationthatmaybe
neededbytrainedtechniciansfordiagnosticand
repairpurposes.Therecordingcapabilityofthese
modulesislimitedtodata(nosoundisrecorded).
Onlyasmallamountofdataisactuallyrecorded
overaverylimitedperiodoftime,orstoredwhen
asystemfaultisdetectedbyacontrolmodule.
Someofthedatastoredmayrelatetovehicle
speed,direction,orbraking,aswellasrestraint
systemuseandperformanceintheeventofa
crash.Storeddatacanalsoonlybereadand
downloadedwithspecialequipmentthatisdi-
rectlyconnectedtothevehicle.
G)Tips
YourvehiclemaybeequippedwithAudicon-
nect.YouruseofcertainAudiconnectfea-
turesrequireswirelessservicesthatarepro-
videdbyathirdpartywirelesstelecommuni-
cationsprovider.Fordetailsregardinghowin-
formationobtainedthroughAudiconnectis
collected,processed,transmitted,used,and
shared,pleaseseeyourcontractwiththe
wirelesstelecommunicationsprovider.

8W0012721BG
Telephone

Telephone
Introduction
Appliesto:vehicleswithtelephone
Tomakephonecallsinyourvehicleusingthe
MMI,connectyourcellphonetotheMMIvia
Bluetooth.
Handsfree
Afteryouhaveconnectedyourmobiledevice to
theMMIviaBluetooth,youcan use thehandsfree
systemandoperatetelephonefunctionsthrough
yourMMI.Youcanmakecallsusingtheantenna
onyourmobiledevice.
Withthe Audiphonebox’,callsaremadeusing
theexteriorantennaonthevehicle.Usingtheex-
ternalantennahelpswhenthereisalowsignal
andalsoprovidesbetterreceptionquality
=>page174.

ZAWARNING
—Medicalexpertswarnthatmobiledevices
caninterferewiththefunctionofpacemak-
ers.Alwaysmaintainaminimumdistanceof
about8inches(20cm)betweenthecell
phoneantennaandthepacemaker.
—Donotcarrythemobiledeviceinapocket
directlyoverthepacemakerwhenthe
phoneisswitchedon.
—Switchthemobiledeviceoffimmediately
ifyoususpectitmaybeinterferingwith
thepacemaker.
—Donotuse thevoicerecognitionsystem*
=>page164inemergenciesbecauseyour
voicemaychangeinstressfulsituations.The
systemmaytakelongertodialthenumber
ormaynotbeabletodialitatall.Dialthe
emergencynumbermanually.
—Switchyourmobiledeviceoffinareaswhere
thereisariskofanexplosion.Theseloca-
tionsarenotalwaysclearlymarked.This
mayincludegasstations,fuelandchemical
storagefacilitiesortransportvehicles,orlo-
cationswherefuelvapors(such aspropane
orgasolinevaporinvehiclesorbuildings),
chemicalsorlargequantitiesofdustparti-
cles(suchasflour,sawdustormetal)may


bepresentintheair.Thisalsoapplies toall
otherlocationswhereyouwouldnormally
turnyourvehicleengineoff.
— Thedemandsoftrafficrequireyourfullat-
tention.Alwaysreadthechapter
=>page145,Trafficsafetyinformation.
@)Note
Alwaysfollowtheinformationfoundin>@in
Wi-Fisettingsonpage193.
@)Tips
—TheBluetoothconnectionrangeislimited
toinsidethevehicle.Itcanalsobeaffected
bylocalconditionsandinterferencewith
otherdevices.

—TolearnwhichBluetoothconnectionsand
whichofthefunctionsinyourmobiledevice
aresupported,checkwithyourmobilede-
viceserviceproviderorthedatabaseformo-
biledevicesatwww.audiusa.com/
bluetooth.
Setup
ConnectingacellphoneusingBluetooth
Appliesto:vehicleswithtelephone
Naonro)ated
DoesthisPINmatchtheoneon your
Bluetoothdevice?PIN:967536

Fig.171DisplayingthePINforenteringinthecellphone
Requirement
Thevehiclemustbestationaryandtheignition
mustbe switchedon.
TheBluetoothsettingsmustbeopenonyour
mobiledeviceduringtheconnectionsetup.
TheBluetoothfunctionandvisibilityoftheMMI
=page243andmobiledevicemustbe switched
on.
171

Media

deviceisrecognizedasaUSBstoragedevice
(forexampleaUSBstick).Appledevicesand
MTPdevices(suchassmartphones)arenot
recognizedasUSBstoragedevices.
—iPodoriPhonemalfunctionsalsoaffectthe
operationoftheMMI.ResetyouriPod or
iPhoneifthishappens.
—AudirecommendsupdatingtheiPodor
iPhonesoftwaretothelatestversion.For
importantinformationonoperatingyour
iPod oriPhone,refertotheuserguidefor
thedevice.
— TheUSBadapterontheAudimusicinter-
facewillsupportiPodtouchoriPhonedevi-
cesfromthe5thgenerationornewerwith
thelightningconnector.
—Formoreinformationaboutthe Audimusic
interfaceandsupporteddevices,checkthe
Audidatabaseformobiledevicesatwww.
audiusa.com/mp3orcontactanauthorized
AudidealerorauthorizedAudiServiceFa-
cility.
USBchargingportsintherear
Appliesto:vehicleswithUSBchargingportsintherear
Youcanchargethebatteryon yourmobiledevice
throughaUSBchargingport.
Two USBchargingportsarelocatedatthebackof
the centerconsole.
—USBadapter:referto>page226,USBadapter
forAudi musicinterfaceorUSBchargingport.
—ChargingamobiledeviceusingtheUSB
adapter:connectyourmobiledevice toaUSB
chargingportusingasuitableUSBadapter.
—Disconnectingamobiledevicefromthecharg-
ingport:removetheUSBadapterfromtheUSB
chargingport.
—DisconnectingmobiledeviceswithanApple
Dockconnector:removetheAppleDockcon-
nectorfromtheAppledevicewiththerelease
tabspressedin.

Z\WARNING
Drivingrequiresyourcomplete andundivided
attention.Asthedriver,youhavecompletere-


sponsibilityforsafetyintraffic.Neveroperate

228

yourmobiledeviceswhiledriving,because
thisincreasestheriskofanaccident.
()Note
Extremelyhighorlowtemperaturesthatcan
occurinsidevehiclescandamagemobiledevi-
cesand/orimpairtheirperformance.Never
leavemobiledevicesinthevehicleinex-
tremelyhighorlowtemperatures.
G)Tips
—Inpreparationatthetimeofprinting.
—Alwaysfollowtheinformationfoundin
=>page62.
—Whenyouswitchtheignitionoff,theUSB
portsarestillsuppliedwithpoweruntilthe
energymanagementintervenes.
—DonotuseanyadditionalUSBextensionca-
blesoradapterstoconnectmobiledevices
totheUSBchargingport thathavealready
beenconnectedbyaUSBadapter.Usingan
additionaladapterorUSextensioncable
mayimpairfunctionality.

—USBhubsarenotsupported.
—Refertothemanufacturer'soperatingman-
ualforimportantinformationregardingthe
operationofyourmobiledevice.
—Correctfunctionofallmobiledevicescan-
notbeguaranteed.
— Thevehiclebatterydrainswhenmobilede-
vicesareturnedonbuttheengineisoff.
Rear SeatEntertainmentpreparation
Appliesto:vehicleswith Rear SeatEntertainmentpreparation
TheRear SeatEntertainmentpreparationin-
cludescablesandamountforAudiEntertain-
mentmobileinthedriver'sandfrontpassenger's
seatbackrests.
ThesuitableAudiEntertainmentmobileRear
SeatEntertainmentpackageisavailablethrough
AudiGenuineAccessories.
UsingAudiGenuineAccessoriesisrecommended.
Audihasverifiedtheirreliability,safety,andsuit-
ability.

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
>

CheckingandFilling

—Donotuseanygasolinemixturewhose
compositioncannotbeidentified.
—Audidoesnotassumeanyresponsibilityfor
damagetothefuelsystemorforperform-
ance
problemscausedbyusinggasoline
mixturesdifferentfromthosespecified.
Thistypeofdamagealsodoesnotfallunder
theNewVehicleLimitedWarrantyorunder
the emissionscontrolsystemwarranty.
—Ifyounoticeahigherfuelconsumptionor
poorhandlingorperformanceproblemsdue
tosuchgasolinemixtures,werecommend
fuelingwithunblendedgasoline.
Gasolineadditives
Animportantissueformanyautomobilemanu-
facturersiscombustionresidueintheengine
thatresultsfromtheuseofcertainfuels.
Althoughtypesofgasolinedifferdependingon
themanufacturer,therearesimilarities.Certain
substancesinthegasolinemaycausedepositsin
theengine.Additivesinthegasolinethatshould
keeptheengineandfuelsystemcleandonotall
functionequally.
AudirecommendsusingTOPTIERDetergentGas-
oline.ForadditionalinformationonTOPTIERDe-
tergentGasoline,visitwww.toptiergas.com.
Ifyouuseincorrectfuelsoveralongperiodof
time,themaximumengineperformancemaybe
impairedby combustionresidue.
@)Note
Damageormalfunctionscausedbytheuseof
incorrecttypesofgasolinearenotcoveredby
theNewVehicleLimitedWarranty.
306
Refueling
Fuelingprocedure


Fig.249Rightrearsideofthevehicle:openingthefuel
fillerdoor

Fig.250Fuelfillerdoorwithattachedfuelcap
Thefuelfillerdoorisunlockedorlockedbythe
central lockingsystem.
>Pressontheleftsideofthefuelfillerdoorto
openit>fig.249.
>Unscrewthetankcapcounterclockwise.
» Placethecapfromaboveontheopenfuelfiller
doorfig.250.
> Insertthefuelpumpnozzleallthewayintothe
fuelfillerneck.
>Beginfueling.Oncethefuelpumpnozzleturns
offthefirsttime,thefueltankisfull.Donot
continuefueling, or elsetheexpansionspacein
thetankwillbefilledwithfuel.
> Afterthefuelpumphasswitchedoff,waitfive
secondsbeforeremovingthenozzletoallow
therestofthefueltofinishdrippingintothe
fueltank.
>Turn thefuelcapclockwiseuntilitclicksinto
place.
>Closethefuelfillerdoorandthenpressonthe
leftsideuntilitlatches.

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

CheckingandFilling

Fuelfillerdooremergencyrelease
Ifthecentrallockingsystemmalfunctions,the
fuelfillerdoorcanbe unlockedmanually.

Fig.251Rightsidetrimpanelintheluggagecompart-
ment:openingthetrimpanel


Fig.252Luggagecompartment:fuelfillerdooremergency
release
Theemergencyopeningmechanismislocated
behindtherightsidetrimpanelintheluggage
compartment.
>Openthecoverinthesidepanel>fig.251.
>Tounlockthefuelfillerdoor,loosen theloop
fromtheretainerandthenpullontheloop
carefully>fig.252>@.
>Pressontheleftsideofthefuelfillerdoorto
openit>page306,fig.249.
®Note
Onlypullontheloopuntilyoufeelresistance.
Youwillnothearitrelease.Ifyoucontinueto
pull,youcoulddamagetheemergencyre-
leasemechanism.
308

Catalyticconverter
Thevehiclemayonlybedrivenwithunleaded
gasoline,orthecatalyticconverterwillbede-
stroyed.
Neverdriveuntilthetankiscompletelyempty.
Theirregularsupplyoffuelthatresultsfromthat
cancauseenginemisfires.Uncombustedfuel
couldentertheexhaustsystem,whichcould
causeoverheatinganddamagetothecatalytic
converter.

ZAWARNING
Thetemperatureoftheexhaustsystemis
high,bothwhendrivingandafterstopping
the
engine.
—Nevertouchtheexhausttailpipesoncethey
havebecomehot. Thiscouldresultinburns.
—Donotparkyourvehicleoverflammable
materialssuchasgrassorleavesbecause
thehightemperatureoftheemissionssys-
temcouldstartafire.
—Donotapplyunderbodyprotectantinthe
exhaustsystemarea,becausethisincreases
theriskoffire.

OnBoardDiagnostic
System(OBD)
TheOnBoardDiagnosticSystemmonitorsthe
engineandtransmissioncomponentsthatinflu-
enceemissions.

Fig.253Footwellonleftside ofthevehicle:connection
portfortheOnBoardDiagnosticSystem(OBD)