cooling AUDI A4 2019 Owners Manual

Tableofcontents

Additionalsettings..................
Supportedmediaandfileformats......
Troubleshootingwoz:« &seesseorsssee
Operating).«viewvswinewearsem«>mee¥ o
TrOUBLESHOOEIAGvcsivessverminoesuenetnrewwven
SYSTEMSECtINGS:.««casiswes sce
Settingthedateandtime.............
MMIsettings..............2-.02005-
Connectionmanager.................
System:updater+ «areneseeermeseonewes
Soundsettings.............-.-000005
NVOLUMESEELINGSwienx sgame< ¢cams5aoe
RestartingtheMMI..................
Softwarelicenseinformation..........
SafetyFIrst).«sscessssic42sree26ower
Drivingsafety....................
Correctpassengerseatingpositions.....
Driver'sandfrontpassenger'sfootwell..
Pedalarea.............000ceceeee
SefbyBetts«ess..vicseussmesses6oimaece
Generalinformation.................
SafetyDelts«swiss2seria= 2arena6nnn©
Belttensioners...............0000005
Airbagsystem....................
Importantinformation...............
FRONUSINDAQS: wacss&oana 4caesseree
MonitoringtheAdvancedAirbagSystem.
Kneeairbags....................000,
Sid@aifbagSas< =ses¢esasxoKGSed oe
Sidecurtainairbags...............0..
Childsafety.................0..0.
Importantinformation...............
Childsafetyseats............002.000.
Securingchildsafetyseats............
LATCHsystem(loweranchoragesand
tethersfor'children)6seve6aesaie6tar
Additionalinformation...............
MaintenanceandCare...........305
CheckingandFilling.............305
FUGlisves:2 2wom< 2somesvfwea&5aueoea 2oe305
Reftielingcrosseeccsnesewanesxeawisoneeere306
Catalyticconverter...............0005308
OnBoardDiagnosticSystem(OBD)......308
Enginecompartment..............00%309
Engineoil........2...eeeeeeeee312
CoolingSYStEM. < =seesscteesdeeeeswe315
BrakePluidiic.«+aessovworvaeoucoteooawe317
Electricalsystem.............0..000.317
Bateenysa« 5nasissoSRSA5Am GKBasezc318
Windshieldwashersystem............320
Serviceintervaldisplay...............320
Whe6US «sescseeeeoseeeeseee2a322
WheelsiandTires¢sccusiassccmaueeoanemone© 0322
Tirepressuremonitoringsystem.......339
Careandcleaning................342
Generalinformation.................342
GarWashes:«wacusseemsssewesReeet342
Cleaningandcareinformation.........343
Takingyourvehicleoutofservice.......347
DovltYourselfwisssgosssscessowes348
Emergencyassistance...........348
Generalinformation..............4.-348
Equipmenteccos«yer2&nwo9¢ewsee348
TitemmOBility:Kit.scsio¢seers© «eomeone= 6ot349
Changingatire................eee351
Space-savingsparetire...............355
Collapsiblesparetire...............0.355
Fusesandbulbs.........0...2006535/7
PUSOSscore2 xmeme2 xae2wanssEEEBoe357.
Bulbs...2.eeeeeeeeee361
Emergencysituations............362
Gemetial’sscisass1 0snesx mcnauene« 9rena©exettons362
Startingbypushingortowing.........-362
Startingwithjumpercables...........362
Usingthejumpstartcable............363
Towingwithatowtruck..............-364
Raisingthevehicle................0-.365

Quickaccess

Indicatorlightsoverview
Theindicatorlightsintheinstrumentcluster
blinkorturnon.Theyindicatefunctionsormal-
functions.
Messagesmayappearwithsomeindicatorlights.
Awarningsignalwillsoundatthesametime.
Theindicatorlightsandmessagesmaybecov-
ered byotherdisplays.Toshow themagain,se-
lectthesecondtabformessageswiththemulti-
functionsteeringwheel>page15or
=>page18.
Someindicatorlightsinthedisplaycandisplayin
severalcolors.

MMeTeelemlis
Ifthewaorindicatorlightturnson,check
themessageintheinstrumentcluster.
OTA]
Someindicatorlightsturnonbrieflyasafunction
checkwhenyouswitchtheignitionon.Thesesys-
temsaremarkedwithaVinthefollowingtables.
Ifoneoftheseindicatorlightsdoesnotturnon,
thereisamalfunctioninthatsystem.
Yourvehiclehaseitheramonochromedisplayor
amulticoloreddisplay,dependingonvehicle
equipment.Someindicatorlightsappearwhite
onamonochromedisplay.TheBoWcentral
indicatorlightturnsonatthesametimetoindi-
catethepriorityoftheseindicatorlights.
Thefollowingindicatorlightsmaybeavailable,
dependingonthevehicleequipment:

Redindicatorlights
Centralindicatorlight
=>page10,
Audipresense
=>page112
Brakesystem¥
=>page21
Brakesystem¥
=>page21
10

Electromechanicalparkingbrake
=>page 22
Electromechanicalparkingbrake
=>page22
Coolingsystem
=>page 22
Engineoilpressure
>page312
Engineoillevel(MIN)
=>page312
Electricalsystem
>page317
Safetybelt
=>page23
Electromechanicalsteering
=>page142
Steeringlock
=>page23
Enginestartsystem
=>page23
Transmission(automatictransmis-
sion)
=>page90,
Clutch(manualtransmission)
=>page23
Hood
=>page24
Adaptivecruisecontrol/
=>page105
Trafficjamassist
=>page109
Drivesystem
=>page24


Yellowindicatorlights
Centralindicatorlight
=>page10
ElectronicStabilizationControl
(ESC)
=>page24
ElectronicStabilizationControl
(ESC)¥
=>page24

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.

8W0012721BG
Stowingandusing

—Toreducetheriskofdamagetothevehicle
electricalsystem,neverattempttocharge
thevehiclebatterybyconnectingaccesso-
riesthatprovidepowertothepowersour-
ces.
—Donotconnectanydevicewhosenetwork
class(voltage)doesnotmatchthenetwork
classdesignedforthesocket.
Storage
(etymiredtel-Te
5 e
=g8


Fig.66Rearcenterarmrest:cupholders*
Yourvehiclehascupholdersinthefrontcenter
consoleandinthecenterrearseat”.
Cupholdersintherearcenterarmrest*
> Foldthecenterarmrestdownward.
>Toopenthecupholders,pullthetopcoveron
thecupholdersforward>fig.66.
>»Setyourbeverageintheholder.
>Toclosethecupholder,foldthecoverbackun-
tilitclicksintoplace.

/\WARNING
—Donot putanyhotbeveragesinthecup
holderwhilethevehicleismoving.Hotbev-
eragescouldspill,whichincreasestherisk
ofinjury.
—Donotuseanybreakablebeveragecontain-
ers(forexample,madeoutofglassorpor-
celain).Youcouldbeinjuredbytheminthe
eventofanaccident.
@)Note
Beveragecontainersinthecupholdersshould
alwayshavealid.Otherwise,theliquidinside

couldspillandcausedamagetovehicle
equipment.
Cooledglovecompartment
Appliesto:vehicleswithcooledglovecompartment


Fig.67Glovecompartment:switchingcoolingmode
on/off
>Turn theknob(@)counter-clockwisetoswitch
thecoolingon.
>Turn theknob(@)clockwisetoswitchthecool-
ingoff.Thesymbolsontheknobmustappear
astheydoin>fig.67.
Theglovecompartmentcoolingmodeonlyfunc-
tionswhenthevehicleA/Csystemisswitchedon.
Iftheheatingisswitchedon,switchingtheglove
compartmentcoolingmodeoffisrecommended.
Additionalstoragecompartments
Youwillfindavarietyofstoragecompartments
andholdersatvariouslocationsinthevehicle.
—Glovecompartment:theglovecompartment
can belocked*usingthemechanicalkey
=page29,Keyset
—Inthedoortrimpanels
—Storagecompartmentunderthefrontcenter
armrest
—Storagecompartment*intherearcenterarm-
rest
—Storagecompartment*underthelightswitch
—Garmenthooks abovethereardoors*
—Nets*onthebackrestsofthefrontseats
—Nets*ontheleft/rightluggagecompartment
trimpanel
—Tie-downs*ontheleft/rightluggagecompart-
menttrimpanel
—Baghooks*intheluggagecompartment
63

8W0012721BG
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

3-zonedeluxeautomaticclimatecontrol

B8W-0137




Fig.843-zonedeluxeautomaticclimatecontrol:cockpitcontrols



B8W-0138

Fig.853-zonedeluxeautomaticclimatecontrolsystem:rearcontrols
Presstheknobs,buttonsor rockerswitchesto
turnthefunctionsonoroff.Whenthefunctionis
switchedon,theLEDintherespectivebuttonor
knobturnson>fig.84.
Therockerswitchesaresensitivetotouch.Some
rockerswitchescanbeassignedwith multiple
functions.Thevariousfunctionscanbeactivated
bypressingontheswitch multipletimes.On
right-handdrivevehicles*,thefunctionsofthe
rockerswitches(3)andG)arereversed.
Thedriverandfrontpassengersettingscanbe
adjustedseparately.Youcanadjustthesettings
fortherearofthevehicleusingthecontrolsin
therear>fig.85.
72
OFFclimatecontrolsystem
TheOFFbuttonswitchestheclimatecontrolsys-
temonoroff.Italsoswitchesonwhenyoupress
anotherbuttonoraknob.Airflowfromoutsideis
blockedwhentheclimatecontrolsystemis
switchedoff.
A/C/A/CMAX*/A/Ceco*Coolingmode
Youcanswitchtherespectivecoolingmodeon
andoffwiththerockerswitch@).
Thecoolingmodeonlyfunctionswiththeblower
turnedon.Theairiscooledanddehumidifiedin
coolingmode.Otherwisethewindowscan fog>

8W0012721BG
Warmandcold

up.Coolingmodeswitchesoffautomatically
whentheoutsidetemperatureisbelowzero.
IfyouactivateA/C ON,thecoolingmodeisauto-
maticallyregulated.Thecoolingmodeisswitch-
edoffwithA/COFF.
IfyouactivateA/C MAX*,thecoolingmodewill
operatewithmaximumoutput.To reduceunnec-
essaryfuelconsumption,onlyusethisfunction
briefly.
IfyouactivateA/Ceco*,theclimatecontrolsys-
temwilloperateinenergy-savingmode.Thiswill
savefuel.
<>Recirculationmode
Inrecirculationmode,theairinsidethevehicleis
circulatedandfiltered.Thispreventstheunfil-
teredairoutsidethevehiclefromenteringthe
vehicleinterior.Switchingrecirculationmodeon
whendrivingthroughatunnelor whensittingin
trafficisrecommended>A.
Youcanswitchtherecirculationmodeonoroff
usingthe<>button.Youcanalsoswitchthere-
circulationmodeoffbypressingtheknob(@)or
the§&button.
AUTOautomaticmode
Automaticmodemaintainsaconstanttempera-
tureinsidethevehicle.Airtemperature,airflow
andairdistributionare controlledautomatically.
Youcanswitchautomaticmodeonoroffby
pressingtheknob(4).
Temperature
Youcanadjustthetemperaturebetween60°F
(+16°C)and84°F(+28°C)byturningtheknob
©.Ifoutsideofthisrange,LOorHIwillappear
intheclimatecontrolsystemdisplay.Inbothset-
tings,theclimatecontrolruns constantlyatthe
maximumcoolingorheatinglevel.Thetempera-
tureisnotregulated.
Thetemperaturecanbeadjustedintherearus-
ingtherearcontrols>fig.85.
%=zBlower
Youcanadjustthevolumeofairgeneratedby the
blowertoyourpreferenceusingtherockerswitch
@.Theblowershouldalwaysrunatalowsetting
topreventthewindowsfromfoggingandtoen-
sureacontinuousexchangeofairinsidethevehi-
cle.To havetheblowerregulatedautomatically,
pressoneoftheknobs(4).
Airdistribution
Youcanusetherockerswitches(2)toadjustthe
ventswheretheairwillflowoutof.Pressthe
rockerswitches(2)repeatedlyuntilthedesired
airdistributionsettingisdisplayedintheclimate
controlsystemcontrols.Tohavetheairdistribu-
tionregulatedautomatically,pressoneofthe
knobs(@).
=iOPEN/CLOSEthewidevent
Youcanopenandclosethewideventinthecock-
pitusingtherockerswitch6).
SYNCSynchronization
Usetherockerswitch()toselectthefunction.
Whensynchronizationisswitchedon,theset-
tingsforthedriver'ssideareappliedtothefront
passenger'ssideandtherear(exceptforseat
heating/ventilation*).Whenthesettingsonthe
frontpassenger'ssideorinthereararechanged,
thesynchronizationisautomaticallyswitchedoff
and3-zoneappearsinthedisplay.
SETREARfunction
Usetherockerswitch()toselectthefunction.
Whenthefunctionisswitchedon,youcanadjust
allsettingsfortherearusingtheclimatecontrol
systemcontrolsinthecockpit.Therearclimate
controlsystemcontrolscannotbeoperatedat
thesametime.Thisfunctionswitchesoffauto-
maticallyafteracertainperiodoftimeorafter
leavingthemenu.
aSeatheating*
Pressingtheabuttonswitchestheseatheating
onatthehighestsetting(level3).TheLEDsindi-
catethetemperaturelevel.Toreducethetem-
perature,pressthe buttonagain.Toswitchthe
seatheatingoff,pressthebuttonrepeatedlyun-
tiltheLEDturnsoff.
73
>

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>

8W0012721BG
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
>

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