2019 AUDI A4 engine coolant

Tableofcontents

AboutthisOwner'sManual......
SUIMIMAFY:« «225%:222%:seenseos
QuikaCCESShis:6 iesia6weesasewe
Cockpitoverview.............-0000-5
Indicatorlightsoverview...........0..
Displayandoperation............
Instrumentcluster...............
Instrumentclusteroverview...........
Coolanttemperatureindicator.........
Tachometer.........0.0 eeeeeeee
Fulellevélse.:2wessysewssoeeesoees
Odometersiceosisiecsoreseseemeeomens
Multifunctionsteeringwheelplus......
Multifunctionsteeringwheel..........
Vehiclefunctions«csv.eeveeweveo
MessageS...0...eeeeee
Head-updisplay..................
Description...............0..000000.
Startinganddriving.............
Openingandclosing.............
Centrallocking..................000-
Luggagecompartmentlid.............
Childisatiety,LOKsecnsicex +emersin« iwnisne+oisens
PowerwindowS............000e0eee
Sliding/tiltingsunroof................
Panoramicglassroof.................
Valetparking............-.000eee eee
Garagedooropener........eeeeeeneee
LightsandVision.................
EXteriorlightingsasy ¢sewszoeees2eee
Interiorlightingie:+«sewssswesseeee
Vision...eeeee
Windshieldwipers...............0005
Digital.compass':«sci:«5eewseemeeeeee
FROMUESCALS cnnisens6 &casiseiswoeeocins© #somes&ot
Headrestraints...........00.00eee eee
MEIOryFUTICEION«ccs: ©nem&oaesyee
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10
13
13
13
14 14
1515 15
18
19
21
2727
28
28
28
35
40
4142 43 43
44
4747
50
SL
53
56 58 58 58 59 60
Stowingandusing...............62
Ashtray...6.6ceceeeeeeeeeeeee62
Cigarettelight@r’:secsssnews2 2sewsxee62
POWEPSOUNCESsisiccacocnciveneoooreswvaero62
Storage...eeeeeeeee63
Luggagecompartment...............64
ROOPPACKE.5 &income«wvsenvavewaaminesawaraww70
Warmandcold...................va
Climatecontrolsystem...............ZA
3-zonedeluxeautomaticclimatecontrol.72
Steeringwheelheating...............74
BGRAINGE:&csevessa 6smswes5 &eueenceooareaswoaa76
Generalinformation.................76
STEERING&qua5=nowy2 &OEEEEReste7
ShiftingintoGeticvssecssocomersveoe77
Startingandstoppingtheengine.......78
Start/StopSystem«exessseveaxoesge80
Electromechanicalparkingbrake.......82
Starting todrive.......2...eeeeee83
DrivingOfffOad«2e0:: =2ae8semeeeseee84
Automatictransmission..............85
Trailertowing....................93
Drivingwithiatrailers«sae«»sausocaw93
Driverassistance.................95
Assistsystems...................95
Speedwarningsystem..............--95
Cruise controlsystem.............0-.95
Camera-basedtrafficsignrecognition...97
WeaPeCHIM)Hawcsis&wsaeewnss«suawessa xssieoants99
Predictiveefficiencyassist.............100
Audi adaptivecruisecontrol...........102
Audiprevsensess=sscosx 6sewssveaeooawe112
Audiactivelaneassist................117
AudiSidéSSSiStisy: «qwax:« 3wmee2smeme= 2121
Audidriverselect)s«isisiisnsa vaave126
Parkingaid.......................129
Generalinformation.................129
Rearparkingsystem............-.4..130
Parkingsystemplus.............-.05.130
Rearviewcamerasacs< .eeuisseesoes132
PeripheralcameraS........0.02.eee133

Instrumentcluster

Instrumentclusteroverview
Theinstrumentclusteristhecentralinformationcenterforthedriver.
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Fig.4Instrumentclusteroverview(Audivirtualcockpit)

a)Enginecoolanttemperaturegauge.148)Speedometer
)Tachometer........ceceeeeeee14)Leftadditionaldisplay
—WithOFFstatusindicator......78Theremaybeadditionalindicatorlightsinthe
78,80tachometer@),thespeedometer©),thestatus
BE)Tabarea:=ncewerp« =gumg 2oe15line©and,dependingontheinstrumentcluster,
(4)Centralareawithaboveorbelowthecentralarea(4).
—WithREADYstatusindicator...
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13
~Driverinformationsystem......15,18Thefollowingpageswillprimarilyshowillustra-
~Indicatorlights............--10tionsofthemulti-coloranaloginstrumentclus-
S)Statusline(displayedononeortwoter*.Thedisplayand/orpositionoftheelement
lines)shownmayvaryinmonochrome instrumentclus-
(6)Speedometer/conveniencedisplayters orintheAudivirtualcockpit*.>
MeFUCLUEVEL,scram¢ sseme4 xatessoeee15

Instrumentcluster

Certaininstrumentclustercontentcanalsobe
displayedinthehead-updisplay*>page27.

ZAWARNING
Donotassumetheroadsarefreeoficebased
ontheoutsidetemperaturedisplay.Beaware
thattheremaybeiceonroadsevenwhenthe
outsidetemperatureisaround41°F(+5°C)
andthaticecanincreasetheriskofaccidents.

@)Tips
— Depending onvehicleequipment,thein-
strumentillumination(needlesandgauges)
mayturnonwhenthelightsareoffandthe
ignitionisswitchedon.Theilluminationfor
thegaugesreducesautomaticallyandeven-
tuallyturnsoffasbrightnessoutsidein-
creases.Thisfunctionremindsthedriverto
turnthelowbeamsonattheappropriate
time.
—Youcanselecttheunitsusedfortempera-
ture,speed,andothermeasurementsinthe
Infotainmentsystem>page240.
—Ifyourvehicleisstationaryorifyouaredriv-
ingatverylowspeeds,thetemperaturedis-
playedmaybeslightlyhigherthantheac-
tualtemperatureoutsideduetotheheatra-
diatingfromtheengine.
—Attemperaturesbelow41°F(+5°C),a
snowflakesymbolappearsinfront ofthe
temperaturedisplay>A\.
Coolanttemperature
indicator
Thecoolanttemperaturedisplay@>page13,
fig.3or>page13,fig.4onlyfunctionswhen
theignitionisswitchedon.Toreducetheriskof
enginedamage,pleaseobservethefollowing
notesaboutthetemperatureranges.
Coldrange
IfonlytheLEDsatthebottomofthegaugeturn
on,theenginehasnot reachedoperatingtem-
peratureyet.Avoidhighenginespeeds,fullaccel-
eration,andheavyengineloads.
14
Normalrange
Theenginehasreacheditsoperatingtempera-
tureoncetheLEDsuptothecenterofthegauge
turnon.Ifthegindicatorlightintheinstru-
mentclusterdisplayturnson,thecoolanttem-
peratureistoohigh>page22.
@)Note
—Auxiliaryheadlightsandotheraccessoriesin
frontoftheairintakeimpairthecoolingef-
fectofthecoolant.Thisincreasestheriskof
theengineoverheatingduringhighoutside
temperatures andheavyengineload.
—Thefrontspoileralsohelpstodistribute
coolingaircorrectlywhiledriving.Ifthe
spoilerisdamaged,thecoolingeffectwill
beimpairedandtheriskoftheengineover-
heatingwillincrease.SeeanauthorizedAu-
didealerorauthorizedAudiServiceFacility
forassistance.
Tachometer
Thetachometerdisplaystheenginespeedinrev-
olutionsperminute(RPM).
Thebeginningoftheredzoneinthetachometer
indicatesthemaximumpermissibleenginespeed
forallgearsoncetheenginehasbeenbrokenin
andwhenitiswarmeduptooperatingtempera-
ture.Before reachingthiszone,youshouldshift
intothenexthighestgear,selectthe"D/S"selec-
torleverposition,orremoveyourfootfromthe
acceleratorpedal.
@)Note
Theneedleinthetachometer2)>page13,
fig.3or>page13,fig.4mayonlybeinthe
redareaofthegaugeforashorttimeorthere
isariskofenginedamage.Thelocationwhere
theredzonebeginsvariesdependingonthe
engine.
@)Forthesakeoftheenvironment
Upshiftingearlyhelpsyoutosavefuelandre-
ducesoperatingnoise.

Instrumentcluster


authorizedAudiServiceFacilityforassis-
tance.
—Ifthebrakesystemindicatorlightturnson
togetherwiththeABSandESCindicator
lights,theABS/ESCregulatingfunctionmay
bemalfunctioning.Functionsthatstabilize
thevehiclearenolongeravailable.This
couldcausethevehicletoswerve,whichin-
creasestheriskthatthevehiclewillslide.
Donotcontinuedriving.Seeanauthorized
AudidealerorauthorizedAudiServiceFacili-
tyforassistance.

NOK
Tr

(®Electromechanicalparking
IftheZi7,oaindicatorlightturnson,the
parkingbrakewasset.
Ifthe[MM/[indicatorlightflashes,thebrak-
ingforcehasnotbuiltupenoughorithasde-
creased.
Securethevehiclealsobyshifting into
1stgear(manualtransmission)orselectingthe
"P"selectorleverposition(automatictransmis-
sion).Makesuretheindicatorlightisoffbefore
youstartdriving.
wwParkingbrake:malfunction!Pleasecontact
Service
Thereisamalfunctionintheparkingbrake.Drive
toanauthorizedAudidealerorauthorizedAudi
ServiceFacilityimmediatelytohavethemalfunc-
tioncorrected.Donotparkthevehicleonhills,
becauseitcouldroll.
a/{Q)Parkingbrake:warning!Vehicleparked
toosteep
Thereisnotenoughbrakingforce toholdtheve-
hicleinplace.Thebrakeshaveoverheated.The
vehiclecouldrollaway,evenonasmallincline.
&iParkingbrake:applied
Ifthismessageappears,pressthebrakepedal
firstandthenreleasetheparkingbrakeifneces-
sary.
a/Parkingbrake:emergencybraking
Theemergencybrakingfunctionwastriggered.
22
G)Tips
Foradditionalinformationontheparking
brake,see>page82.
erCe
||Turnoffengineandcheckcoolantlevel.See
owner'smanual
Thecoolantlevelistoolow.
Stopdrivingandswitchtheengineoff.Checkthe
coolantlevel>page315.
—Ifthecoolantlevelistoolow,addcoolant
=page316. Onlycontinuedrivingoncethein-
dicatorlightturnsoff.
/_E|Coolanttemperature:toohigh.Letengine
runwhilevehicleisstationary
Lettheenginerunatidleforafewminutesto
cooloff,untiltheindicatorlightturnsoff.
—Iftheindicatorlightdoesnotturnoff,donot
continuedrivingthevehicle.Seeanauthorized
AudidealerorauthorizedAudiServiceFacility
forassistance.

ZAWARNING
—Neveropenthehoodifyoucan seeorhear
steamorcoolantescapingfromtheengine
compartment.Thisincreasestheriskof
burns.Whenyounolongerseeorhear
steamorcoolantescaping,youmayopen
theenginecompartmentwithcaution.
— Theenginecompartmentinanyvehiclecan
beadangerousarea.Stoptheengineandal-
lowitto coolbeforeworkingintheengine
compartment.Alwaysfollowtheinforma-
tionfoundin>page309,Workinginthe
enginecompartment.
C)Note
Donotcontinuedrivingifthegindicator
lightturnsonasthisincreasestheriskofen-
ginedamage.

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Warmandcold

Warmandcold
Climatecontrolsystem
Theclimatecontrolsystemwarms,coolsandre-
moveshumidityfromtheairinthevehicleinteri-
or.Itismosteffectivewhenthewindowsand
sunroof*areclosed.Ifthereisabuild-upofheat
insidethevehicle,ventilationcanhelptospeed
upthecoolingprocess.
Inallheatingmodefunctionsexceptfordefrost,
thebloweronlyswitchestoahigherspeedonce
theenginecoolanthasreachedasufficienttem-
perature.
Pollutantfilter
The
pollutantfilterremovespollutantssuchas
dustandpollenfromtheair.
Keyrecognition
Theclimatecontrolsettings areautomatically
storedandassignedtothevehiclekeythatisin
use.
@)Forthesakeoftheenvironment
Ifyouwouldliketoreducefuelconsumption,
switchtheairconditioningoff.Thiswillalso
reduceemissions.
@)Tips
—Topreventinterferencewiththeheating
andcoolingoutput andtopreventthewin-
dowsfromfoggingover,theairintakein
front ofthewindshieldmustbefreeofice,
snow,orleaves.
—Condensationfromthecoolingsystemcan
dripandformapuddleofwater underthe
vehicle.Thisisnormalanddoesnotmean
thereisaleak.
—Theenergymanagementsystemmaytem-
porarilyswitchoffcertainfunctions,suchas
theseatheating*orrearwindowdefogger.
Thesesystemsareavailableagainassoonas
theenergysupplyhasbeenrestored.
71

Warmandcold

#5Seatventilation*
Pressingthe#J buttonswitchestheseatventila-
tion
onatthehighestlevel(3).TheLEDsindicate
thetemperaturelevel.Toreducetheventilation
level,pressthebuttonagain.Toswitchtheseat
ventilationoff,pressthebuttonrepeatedlyuntil
theLEDturnsoff.
&Defrosting
Thewindshieldandsidewindowsaredefrosted
orclearedofcondensationasquicklyaspossible.
Themaximumamountofairflowsmainlyfrom
theventsbelowthewindshield.Recirculation
modeswitchesoff. Thetemperatureshouldbe
setat+72°F(+22°C)orhigher.Thetemperature
iscontrolledautomatically.
Youcanswitchthedefrosteronoroffusingthe
&button.Youcanswitchthefunctionoffby
pressingaknob(@).
Appliesto:vehicleswithwindshielddefogger:
Thewindshielddefoggerswitchesonautomati-
callywhenoutsidetemperaturesarelow.Ifyou
wouldliketoswitchthewindshielddefoggeron
manually,pressthe§&button.TheLEDinthe
buttonblinks.
GP)REARRearwindowdefogger
Youcanswitchtherearwindowdefoggeronby
pressingthe&button.Itonlyoperateswhenthe
engineisrunning.Itswitchesoffautomatically
after10to20minutes,dependingontheoutside
temperature.
Topreventtherearwindowdefoggerfrom
switchingoffautomatically,pressandholdthe
GP)REARbuttonformorethanthreeseconds.
Thisisstoreduntiltheignitionisswitchedoff.
Vents
Youcanopenorclosethecenterandrearventsin
thecockpitandtheventsintherearcenter con-
soleusingtheridgedthumbwheels.Thelevers
adjustthedirectionoftheairflowfromthevents.
Thewideventisopenedandclosedusingthe
rockerswitchG).
74
Residualheat
Youcanactivatetheresidualheatfunctionwhen
theignitionisswitchedoffbypressingtheknob
©.Theresidualheatfromthecoolantisusedto
heatthevehicleinterior.Theresidualheatfunc-
tionswitchesoffautomaticallyafterabout15
minutes.

ZAWARNING
—Youshouldnotusetherecirculationmode
foranextendedperiodoftime,becauseno
freshairisdrawninandthewindowscan
fogwhencoolingmodeisswitchedoff.This
increasestheriskofanaccident.
—Individualswithreducedsensitivityto pain
ortemperaturecoulddevelopburnswhen
usingtheseatheating*function.To reduce
the
riskofinjury,theseindividualsshould
notuseseatheating*.
@)Note
To reducetheriskofdamagetotheseatheat-
ing*elements,donotkneelontheseatsor
placeheavypressureononeareaoftheseat.
Theclimatecontrolsystembasicsettingsareac-
cessedintheInfotainmentsystem.


>SelectintheInfotainmentsystem:[MENU]but-
ton>Vehicle> leftcontrolbutton>Aircondi-
tioning

Autorecirculation
Whenswitchedon,automaticrecirculationcon-
trolstherecirculationmodeautomatically.Ifthe
windowsfogup,presstheMAXbutton.
Automaticauxiliaryheater*
Theauxiliaryheaterhelpstowarmthevehiclein-
teriormorequickly.
Steeringwheelheating
Appliesto:vehicleswithsteeringwheelheating
>Pressthe@©page17,fig.11buttononthe
multifunctionsteeringwheeltoswitchthe
steeringwheelheatingonandoff.Themessage>

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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
>

Trailertowing

Outsidemirrors
Ifyoucannotseethetrafficbehindthetrailer
withthestandardexterior mirrors,thenyou
mustattachadditionalexterior mirrors.Adjust
themsoyouhaveasufficientvisibilitybehind
you.
Exterior lighting
Followthelegalregulationsregardingthelight-
ingequipmentonyourtrailer.Contactanauthor-
izedAudidealerorauthorizedAudiServiceFacili-
tyformoreinformation.
Beforeyoustartdriving,checkalllightingequip-
mentonthetrailerwhileitishitchedtothevehi-
cle.
Theheadlightrangecontrolautomaticallyad-
juststhelightrangeoftheheadlights.
Safetychains
Makesurethesafetychainsarecorrectlyapplied
whenpullingatrailer.Thechainsshouldhang
enoughsothatthetrailercandrivearound
curves.However,theymustnottouchthe
ground.
©)Note
Attachmentsretrofittedonthevehiclemay
causedamage,especiallyonthetrailerhitch
ballhead.Incasesofdamage,havethefunc-
tioncheckedby anauthorizedAudidealeror
authorizedAudiServiceFacility.
G)Tips
—Blockthewheelswithchockswhenparking
oninclinesifthetrailerisloaded.
—Havingthevehicleinspectedbetweenthe
inspectionintervalsisrecommendedifyou
towatrailerfrequently.
—Avoiddrivingwithatrailerduringthevehi-
clebreak-inperiod.
94
Drivingwithatrailer
Drivingwithatrailerrequiresextracaution.
Speed
Adheretothelegalspeedlimits.Followthelegal
regulationsspecifictothecountry.
Asthespeedincreases,thedrivingstabilityof
thetrailerdecreases.Thereforeyoushould not
exceedthemaximumlegalspeedlimitwhen
thereareunfavorableroad,weather,and/orwind
conditions.Thisespeciallyapplieswhendriving
downhill.
Hill
Whenyoustartdrivinguphillordownhill,trailers
maytiltorswaysoonerthanwhendrivingona
levelsurface.Ifsmallswayingmovementshave
alreadyoccurred,youcanstabilizethetrailerby
firmlybrakingimmediately.Nevertryto
“straightenout”thetrailerbyaccelerating.
Downshiftbeforedrivingonhillstoutilizetheen-
ginebrakingeffect>A\.
Brakes
Whenusingatrailerwithoverrunbrakes,first
brake
gentlythenquickly.Thisreducestheriskof
jerkingwhilebrakingifthetrailerwheelslockup.
Enginecoolanttemperature
Payattentionspecificallytothecoolanttempera-
turedisplaywhentherearehighoutsidetemper-
atures,andwhendrivingonlonginclines
=page14.Shifttoahighergearinatimelyman-
ner.

ZA\WARNING
Constantbrakingcausesthebrakestoover-
heatandcansubstantiallyreducebrakingper-
formance,increasebrakingdistance,orcause
completefailureofthebrakesystem.