2019 AUDI S4 open gas tank

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.

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)

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

8W0012721BG
Fusesandbulbs


Fusepanel©(brown)
4|Audisideassist


5|RearSeatEntertainmentpreparation
7|Vehicleopening/start(NFC)
8|Smartmodule(tank)
11|Auxiliarybatterycontrolmodule



12|Garagedooropener

13|Rearviewcamera,peripheralcameras
14|Righttaillights
16|Rightsafetybelttensioner



Fusepanel()(red)
No.|Equipment


Sound-amplifier
AdBlueheating
Trailerhitch(rightlight)
Trailerhitch
Trailerhitch(leftlight)
Trailerhitch(socket)
10|Sportdifferential
11|AdBlueheating




WO}/@OlIN/M]wi)n


Bulbs
Replacinglightbulbs
Foryoursafety,werecommendthatyouhave
yourauthorizedAudidealerreplaceanybulbsfor
you.
Itisbecomingincreasinglymoreandmorediffi-
culttoreplacevehiclelightbulbssinceinmany
cases,otherpartsofthecarmustfirstbere-
movedbeforeyouareabletogettothebulb.
Thisappliesespeciallytothelightbulbsinthe
frontofyourcarwhichyoucanonlyreach
throughtheenginecompartment.
Sheetmetalandbulbholderscanhave sharp
edgesthatcancauseseriouscuts,partsmustbe
correctlytakenapartandthenproperlyput back
togethertohelppreventbreakageof partsand
longtermdamagefromwaterthatcanenter
housingsthathavenotbeenproperlyresealed.
Foryoursafety,werecommendthatyouhave
yourauthorizedAudidealerreplaceanybulbsfor
you,sinceyourdealerhasthepropertools,the
correctbulbsandtheexpertise.
Gasdischargelamps(Xenonlights):
Duetothehighelectricalvoltage,havethebulbs
replacedbyaqualifiedtechnician.Headlights
withXenonlightareidentifiedbythehighvolt-
agesticker.
LEDheadlights*
LEDheadlightsrequirenomaintenance.Please
contactyourauthorizedAudidealerifabulb
needstobereplaced.

ZAWARNING
ChangingXenonlampswithoutthenecessary
equipmentcancauseseriouspersonalinjury.
—Bulbsarepressurizedandcanexplodewhen
beingchanged.Potentialriskofinjury!
—Onvehiclesequippedwithgasdischarge
bulbs(Xenonlight)life-threateninginjuries
canresultfromimproperhandlingofthe
high-voltageportionsofsuch lamps!
—OnlyyourauthorizedAudidealerorquali-
fiedworkshopshouldchangethebulbsin
gasdischargelamps.Therearepartswith
sharpedgesontheopeningsandonthe
bulbholdersthatcancauseseriouscuts.If
youareuncertainaboutwhattodo,havethe
workperformedbyanauthorizedAudideal-
er orqualifiedworkshop.Seriouspersonal
injurymayresultfromimproperlyper-
formedwork.
G)Tips
—Ifyoustillpreferto replacethelightbulbs
yourself,beawarethattheenginecompart-
mentisahazardousareatoworkin>A\in
Workingintheenginecompartmenton
page309.
—ItisbesttoaskyourauthorizedAudidealer
wheneveryouwanttochangeabulb.


361

8W0012721BG
Index

Freezeprotection
Coolant.....6.ee eeeeeeee315
Frequencyband.................4.215,218
alsorefertoFrequencyband...........215
Frontairbags
D@SEFPtOMs s »eeew¢wees¢pes5 2eee265
How:they:works.« scszeis osnssine+osnows3 @one271
Frontalcollisionsandthelawsofphysics...254
Frontseats
Adjusting...0.0.0...eeeeeeeeeeee249
Childrestraintsinthefrontseat.........262
alsorefertoSeatswcssesaseeecrews58
FUGLissensxeas& 2come5 2RUG©©GeeRRF8305
AddiBIVeS«ascscxevoswosciwoawaversvwanseeits6shaw306
Currentconsumption..............0000519
FUeLGAUGE:= savesesseesevneeseee13,15
Fuelitank.capacity’.«sacssoiauier«xmesic© 3373
Gasoline...0.0...cece305
Savingfuelsss2 xsees¢ 5seesyeeeeseoe126
Savingfuelconsumption................76
Fueling
Fuelfillerdooremergencyrelease.......308
Fuelgauge........2...eeececeeeeeeee15
Fueltankcapacity.................000.373
Openingthefuelfillerdoor............306
Fuses
Assignment........2.000ceceeeeeee358
Replaciigscx« «emu¢ eaeeeseeeeespee357
G
GALA
refertoSpeeddependentvolumecontrol.244
Garmenthooks»=weessyaoe2 aeeeeee63
Gasdischargelamps............--..0--361
Gasoline...2.6.6...eeeeeeeeeeee305
ACGIEIVES«cusssemewm2 2neuea xeee3eS306
GasolimeMiXEUCbess« «ceceaoacaieawavwsere305
GAWR
refertoGrossAxleWeightRating(GAWR).373
Glossaryoftireandloadingterminology...325
Glovecompartment..............-00000-63
Valetparking..................eeeeee43
GrossAxleWeightRating(GAWR)........373
GrossVehicleWeightRating(GVWR)...... 373
GVWR
refertoGrossVehicleWeight
Ratirig(GVWR)«wows2 2wore= 4eee5 2oes373
H
HandSTree’:« 5ewas=yawnesnewsgocame5ee171
Head-updisplay...................0000527
AGjUStINGwap+ »sages¥ &cowsyopeseveeege27
Operatiings,« 5cmos«suenessw 0someonwownomems©629827
Headlight rangecontrolsystem...........47
Headlights’.=sccmsseevenseaaaeesire62wey47
CLEATIOG).«4.asexsne0 «saunene1. oietenene#91aneneneaw6343
Headlightrangecontrolsystem..........47
Washerisystem’s«ssveossewseweeneyoes53
HeadPEStrainits«suxscamees¢neem35Be59,250
AGJUSTIAG)cca&2comweuew 6ower@6scmsan2 6save250
HeathINGsecsic@acca3wanes6wontwwaT owae71
Heavyclothingandsafetybelts..........255
HIGH DGSfSicum.«»evesy 2emsgoquezeGR48
ASSIStANGS&sascane« 2encesooeecins© ocairn6woe48
Hilldescentiassistsciccvsauce6 6waneaow140
Hilldescentcontrols+asus2 ¢eum2 yeaeaes88
HillWoldassist=wessseaesoeee alsorefertoHillholdassist.............83
Homeaddress::« =sceiicsnica+savin« «200,205
HOEN« =sews7 ¢caw7 ¢eweFoewes¥ 8eeeFee8
HOESDOESexes3 xawa¢epeoeEeeeMo193
Howarechildrestraintsystemanchorsrelat-
edtorchildsafetyoens=sneeseeneeenve299
Howmanyairbagsdoesmyvehiclehave?..268
Howsafetybeltpretensionerswork.......259
I
Imbalance(wheels).............22--005331
Immobilizer
refertoElectronicimmobilizer...........29
Importantthingstodobeforedriving.....247
Importingandexporting(contacts).......183
Improperlywornsafetybelts............259
Indicatorlights......20.0.0...eee eee eee10
AirbagSYSteitiews« ¢xeces«seemsbeoe ge273
PASSENGER:AIRBAGici&sxaianeowcxiwne© 2 0273
INFANTSEAES&secon.sooemcosaosumeoosaeo291.
379