2019 AUDI A4 cooling

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Trailertowing

Trailertowing
Drivingwithatrailer
Generalinformation
Yourvehicleisprimarilyintendedfortransport-
ingpeopleandluggage.However,ifyoudrive
withatrailer,followthetechnicalrequirements,
the operationanddrivingtips,andthelegalreg-
ulations.
Drivingwithatraileraffectsthevehicle'sfuel
consumption,performanceandwear.Italsore-
quireshigherconcentrationfromthedriver.

Z\WARNING
Donottransportanypeopleinatrailerdueto
theriskoffatalinjury.
Technicalrequirements
Certainrequirementsmustbemetwhentowing
atrailer.

Trailerhitch
Only useatrailerhitchwitharemovableball
hitchmountandballhitch.Thetrailerhitchmust
bepermittedforthevehicle,thetrailerandthe
permittedtotalweightofthetrailerbeing
pulled.Aboveall,itmustbesecurelyandsafely
attachedtothevehicletrailer.
Nevermountatrailerhitchonthebumper.The
trailerhitchmustbemountedinawaythatdoes
not impair thefunctionofthebumper.Donot
makeanychangestotheexhaustsystemandthe
brakesystem.
Checkregularlyifthetrailerhitchissecurely
mounted.Alwaysfollowtheinstructionsgivenby
thetrailerhitchmanufacturer.
Trailerbrakes
Ifthetrailerhasitsownbrakesystem,thenfol-
lowthemanufacturerspecifications.However,
thebrakesystemonthetrailermustneverbe
connectedtothevehiclebrakesystem.
Enginecoolingsystem
Drivingwithatrailermeansahigherloadonthe
engineandthecoolingsystem.Thecoolingsys-
temmustbedesignedforadditionalloadand
containenoughcoolant>@.
()Note
Longerinclinescannotbedrivenwithouta
suitablecoolingsystem,especiallyiftheout-
sidetemperaturesarehigh.Otherwise,this
increasestheriskofenginedamage.
Operatinginstructions
Severalthingsmustbenotedwhentowinga
trailer.
Towingcapacity
Yourvehiclecanonlybeoperatedwithclass1or
class2trailers.
Loaddistribution
Poorcargoloadanddistributioncannegatively
impactvehiclehandling.Loadthetrailerbased
onthefollowingcriteriaasmuchaspossible:
—Storeobjectsinthevehicleluggagecompart-
ment,ifpossible.Thevehicleshouldalways
carrytheheaviest possibleloadandthetrailer
shouldhavethelightestpossibleload.
—Distributetheloadinthetrailerso thatthe
heavyobjectsareasclosetotheaxleaspossi-
ble.
—Secureobjectsso thattheydonotslide.
—Utilizethemaximumpermittedtongueweight
ifpossible.
Tires
Setthetirepressureonyourvehiclefora“full
load”;seethetirepressuresticker>page332.If
necessary,alsoadjustthetirepressureonthe
traileraccordingtothemanufacturer'sspecifica-
tions.
Thetrailerandthevehicleshould beequipped
withwintertireswhendrivinginwintertempera-
tures.
93
>

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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

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CheckingandFilling

Enginewarm-uprequest
|F|Pleasedrivetowarmupengine
Fuelhasenteredtheengineoil,eitherduetolow
outsidetemperaturesorfrequentshortdrives.
Driveuntiltheengineiswarmso thatthefuelin
theengineoilwillevaporate.Avoidhighengine
speeds,fullaccelerating,andheavyengineloads
whendoingthis.
@Tips
Theoilpressurewarning2isnotanoillevel
indicator.
Alwayschecktheoillevelregularly.
Checkingtheengineoillevel
TheengineoillevelcanbecheckedintheInfo-
tainmentsystem
Observethesafetyprecautions>A\inWorking
intheenginecompartmentonpage309.
>Parkthevehicleonalevelsurface.
>»Shuttheengineoffwhenitiswarm.
>Switchonlytheignitionbackon.
>Waitapproximatelytwominutes.
>SelectintheInfotainmentsystem:the[MENU
button>Vehicle>leftcontrolbutton>Service
&checks>Oillevel.
>Readtheoillevelinthedisplay.Addengineoil
ifthe barintheoillevelindicatorisjustbelow
“min”>page314.
@)Note
Iftheengineoillevelistoolowortoohigh,
thereisariskofenginedamage.
@)Tips
Theoillevelindicatorinthedisplayisonlyan
informationaldisplay.Iftheoillevelistoo
low,aminimumoilwarningappearsinthein-
strumentcluster.Addoilandclosethehood.
ThecurrentoillevelisdisplayedintheInfo-
tainmentsystemthenexttimetheignitionis
switchedon.
@Tips
Theengineoilconsumptionmaybeupto
0.5quart/600miles(0.5liter/1,000km),de-


pendingondrivingstyleandoperatingcondi-
tions.Consumptionmaybehigherduring the
first3,000miles(5,000km).Theengineoil
levelmustbecheckedregularly.Itisbestto
check eachtimeyourefuelyourvehicleand
before longdrives.
—Becauseofthelubricationandcoolingof
theengine,combustionenginesconsume
oil.Theoilconsumptionvariesdepending
ontheengineandmaychangeduring the
servicelifeoftheengine.Enginesgenerally
consumemoreoilatthe beginningduring
thebreak-inperiod.Thenoilconsumption
stabilizes afterthebreak-inperiod.
—Undernormalconditions,oilconsumption
dependsonthequalityandviscosityofthe
oil,theengineRPM,theclimateconditions,
andtheroadconditions.Thedilutionofoil
fromcondensationorfuelresidueaswellas
theageoftheoilalso playarole.Because
enginewearincreaseswithmileage,oilcon-
sumptionwillincreaseagainovertimeuntil
itmaybenecessarytoreplaceworncompo-
nents.
—Becauseallthesevariablesplayarole,itis
notpossibletodefineanoilconsumption
standard.Therefore,theoillevelmustbe
checkedregularly.
—Ifyoubelievethatyourenginehasin-
creaseditsoilconsumption,contactanau-
thorizedAudidealerorauthorizedAudi
ServiceFacilitytodeterminethecause.
Pleasenotethatanexactoilconsumption
measurementmustbedonewiththeneces-
sary careandaccuracyandmaytaketime.
AnauthorizedAudidealerorauthorizedAu-
diServiceFacilityistrainedinaccurately
measuringtheoilconsumption.
—Youcanfindinformationonengineoiland
engineoilcapacitiesfortheUSAatwww.
audiusa.com/help/maintenance,orforCan-
adaatwww.audi.ca/ca/web/en/
customer-area/care-and-maintenance/
audi-service-schedules.html,orcall
800-822-2834.
313

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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.

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CONTACESesiinewocewwaieowcessSeemTH181
Additionaldirectory.............000008242
Importing/exporting..............0005183
Memionyicapacityfics.«+suceneo +mamesvanew184
Storingasdestination.................206
Controlbuttons(operatingtheMMI)......147
Controlknobwithjoystickfunction(MMIop-
eration)...62.150
Conveniencekey.........0:ceceeens28
Switchingtheignitionon...............78
Unlockingandlocking...............00531
Convenienceopeningandclosing
Setting«scccsanaoeweceuemwcesseso «ounroaea 0pimteme41
Windowsorroof...2...eeeeee41
Convertiblechildsafetyseats............293
Convertiblelockingretractor
ACCIVECINIG’s3 DSaCtiVatinig=sem2+sacs5 3meme2 9momoo299
Usingtosecureachildsafetyseat.......298
Cooledglovecompartment...............63
Coolingmode(climatecontrolsystem).....72
Coolingsystem
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Coolant...............0.000002ceee315
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Coolanttemperatureindicator...........14
GrOSSMALRS.«cecvinewwswesuuewwawawecesstcnaeto=eH200
Cruise controlsystem.............-+--05-95
Cupholdersic:« ¢seesx ¢anes5 ¢ewes¥ acas& s63
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Dataplarisiecs:« 2wesx ysme5 2eee3ees194
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Date...ceceeeeeee19,240
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Daytimerunninglights..................47
Declarationofcompliance.............4.370
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DEF(instrumentcluster).00.06060.6ceea15
Demomode
refertoPresentationmode.............206
Destinationonthemap
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Digital:compassiccie«ssceomineveneveoo56
DigitalRightsManagement..............220
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Dimmingtheexteriormirrors.............52
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Displayacc« «ews3 0ewes¥ ogaeveeosBe15
Cleaning?cw«xnaneaeasmenens2m1comes© 4 0344
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INStrUMeNtCLUStEnwere:x¢eweswseme2oe18
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Distamesenvisos.semesaerecenewa:anesaneooanmaneaos19
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Childsafetylock.............02.000000-40
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Driverinformationsystem
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EM@RGY:COMSUIMEESvcs»sereneie6mieneanaoannsnue20
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TripCOMPUTERox¢e205seewsoeCeresee19
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Driverseat
refertoSeatingposition...............248
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Drivingthroughwater................05-76
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Dynamicsteering......0.00. eeveeeeeae126
Dynamicvolume
refertoSystemvolume.........-...0--245
E
|180
Economicalroute.............00e2eae205
EDSocceeeeeeeee138
Electricalsystem.....0.0.2...eeeeeeee317
Electromechanicalparkingbrake..........82

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Vehicle:careisc:« &esas+eoscarssocemanev2nese342
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Liftingpoints................0.00008 352
Vehicle:key'.«cise.«acsewosvvcomets¥ 2meen28,29
Convenienceopeningandclosing.........41
LEDcece:2seme2 3eet© ¥BORE=HeegoSe30
Mechanicalkeypccwon+wonwoascoaoaonwv30
Personalconveniencesettings...........29
Replacingthebattery................-.30
Unlockingandlocking...............00531
Vehicletoolkit’:esassxeswessnewsevowesx348
Ventilation«2ase=seass xpemg& &eemEsone71
Versioninformation............-.00000244
VIEWbutton...0...eeeeeeeee15
Voiceguidance
refertoMultifunction
steeringwheel.................15,17,18
Voicetmiatlss=siisooaawomosmauis62mnie2 8c8u181
Voicerecognitionsystem................164
Commands.........0eeeeeeeeeee165
External...2.6.0...cece ceceeeeeeeee169
Multifunctionsteeringwheel............17
OPeratingxocwssisnsoccswavsa 0susnoweowanesaae164
Settings................0000.2241
NOLOMGhn2 sagen& xpera4meeeeeeee17,245
VOlWITIGs«seajey =ewes¥Rees2 2ReeSgLeG245
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Warninglights
refertoIndicatorlights...........e0.00510
Washingmattefinishpaint..............342
Waveband
refertoFrequencyband...............215
Web'fadio«sessx 2agenx 2saws2 9eum28ew225
Weights’: Whathappensifyouwearyoursafetybelttoo
LOOSE?ssiscenesomeiZoa eeMURewaM4257
Whathappenstounbeltedoccupants?....254
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Glossaryoftireandloadingterminology..325
REDIAGIAGsere 2eee2 xmame2nee351
Tirepressuremonitoringsystem........340
Tiresandvehicleloadlimits............335
Wheelwrench....................0005348
Whenmustasafetybeltbereplaced?.....255
Whenmusttheairbagsystembeinspected?.273
Whereareloweranchorageslocated?.....300
Wi-Fi
Audimusicstream....2...eeeeee224
Audioplayer......0.0.0.cceeeeeeee224
HOtspOtss OnlineMedias«aness ssemereweaenavine :avavens225
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Windows
ChildSafetyLOCKsess+ ¢ewes5 sevessoease 40
Cleaningandremovingice.............344
Convenienceopeningandclosing.........Al
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Openingandclosing.................-.4l
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DeTrOSEIIG« «cewsa xcows4 «wowsooewega74
alsorefertoWindshield................53
Windshieldwashersystem..........-53,320
Reservoircapacity...............0000.373
Windshieldwipers................00000553
Winteroperation
Battery...2.0.2...ec eeeee318
GarWashes«sew« 2smae2 xsometeeeeges342
Cooling:systems«csv.oowaesoeensovecw315
Defrostingthewindows................74
Removingicefromwindows............344
Seatheating’s«sass+sama 2macaeenewaae73
Snowchains....................00005338
Steeringwheelheating.................74
THROSi.3.scone2 &criesocee©©sommesoooer337
Windshieldwashersystem.............320
WntPREScscs6 «cesesss« 2axceans© 0oneeiasoHoe337
xX
Xenonheadlights................-0000s361
Zz
Zoomingonthemap
Multifunctionsteeringwheel............16
Zoom(Map)......--..eeeeeeeee200,207
387