2019 AUDI A4 service indicator

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
Instrumentcluster

maybehigherifthereisheavyengineloadand
hightemperaturesoutside.Thisisnotacausefor
concernaslongasthe|=>page312or=
=>page312indicatorlightsdonotturnon.
Boostindicator
Appliesto:vehicleswithAudivirtualcockpit
Theboostindicatorisonlydisplayedinthesport
view>page17.
Thecurrentengineload(meaningthecurrent
boostpressure)isindicatedbyabar.
Messages
BRAKE/@)/‘C:/®Brakesystem
Ifthisindicatorlightturnson,thereisamalfunc-
tioninthebrakesystem.
HiT)Brakes:stopvehicleandcheckbrake
fluid level
Stopthevehicleandcheckthebrakefluidlevel.
SeeanauthorizedAudidealerorauthorizedAudi
ServiceFacilityforassistance.
GGit@Brakes:malfunction!Stopvehicle
safely
Iftheindicatorlightturnsonandthismessage
appears,thereisamalfunctioninthebrake brake
system.
1fBES/GJandBialsoturnon,thereisamal-
functionintheABS,ESC,andbrakingdistribu-
tion.
Donotcontinuedriving.SeeanauthorizedAudi
dealerorauthorizedAudiServiceFacilityforas-
sistance>A\.
EG/@Parkingbrake:malfunction!Safely
stopvehicle.Seeowner'smanual
—Iftheindicatorlightandthemessageappear
whenthevehicleisstationary orafterswitch-
ingtheignitionon,checkifyoucanreleasethe
parkingbrake.Ifyoucannotreleasetheparking
brake,seeanauthorizedAudidealerorauthor-
izedAudiServiceFacility.Ifyoucanreleasethe
parkingbrakeandthemessagestillappears,
seeanauthorizedAudidealerorauthorizedAu-
diServiceFacilityimmediatelytohavethe mal-
functioncorrected.
—Iftheindicatorlightandmessageappearwhile
driving,thehillstartassistoremergencybrak-
ingfunctionmaybemalfunctioning.Itmaynot
bepossibletosettheparkingbrakeorrelease
itonceithasbeenset.Donotparkyourvehicle
onhills.SeeanauthorizedAudidealerorau-
thorizedAudiServiceFacilityforassistance.
fieifeBrakepads:wearlimitreached.You
cancontinuedriving.PleasecontactService
Thebrakepadsareworn.Drivetoanauthorized
AudidealerorauthorizedAudiServiceFacilityas
soonas possible tohavethemalfunctioncorrect-
ed.
©Brakesoverheating.PleaseshifttoD
@Brakesoverheating.Pleaseselectagearand
followgearrecommendation
Therewasaheavyloadonthebrakes.Engagea
suitablegear(manualtransmission)or placethe
selectorleverinthe"D/S"position(automatic
transmission)touse theenginebrakingeffect
andreduce theloadonthebrakes.
Brakebooster:limitedfunctionality.Youcan
continuedriving.PleasecontactService
Thereisamalfunctioninthebrakebooster.The
brakeboosterisavailable,butitseffectivenessis
reduced.Brakingbehaviormaybedifferentfrom
howitnormallyfunctionsandthebrakepedal
mayvibrate.DrivetoanauthorizedAudidealeror
authorizedAudiServiceFacilityimmediatelyto
havethemalfunctioncorrected.

Z\WARNING
—Readandfollowthewarningsin
=page309,Workingintheenginecom-
partmentbeforeopeningthehood and
checkingthebrakefluidlevel.
—Ifthebrakesystemindicatorlightdoesnot
turnofforitturnsonwhiledriving,the
brakefluid levelinthereservoiristoolow,
andthisincreasestheriskofanaccident.
Stopthevehicleanddonotcontinuedriv-
ing.SeeanauthorizedAudidealeror

21

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.

8W0012721BG
Instrumentcluster

BMFaSTT
TheBaindicatorlightmonitorsthesafetysys-
tems.
Ifthekaindicatorlightturnsonorblinks,there
isamalfunctioninasafetysystem.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.

ZAWARNING
Havethesafetysystemsinspectedimmedi-
ately.Otherwise,thereisariskthatthesys-
temsmaynotactivateduringacollision,
whichincreasestheriskofseriousinjuryor
death.
ASafetybelt
ThezBindicatorlightstaysonuntilthedriver's
andfrontpassenger'ssafetybeltsarefastened.
Aboveacertainspeed,therewillalsobeawarn-
ingtone.
@)Tips
Foradditionalinformationonsafetybelts,
see>page253.
@-Steeringlock
BSSteering:malfunction!Pleasestopvehicle

Thereisamalfunctionintheelectronicsteering
lock.Youcannotturntheignitionon.
Donottowyourvehiclebecauseitcannotbe
steered.SeeanauthorizedAudidealerorauthor-
izedAudiServiceFacilityforassistance.
BSSteeringlock:malfunction!Pleasecontact
Service
Thereisamalfunctionintheelectronicsteering
lock.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.

ZAWARNING
Donottowyourvehicleifthereisamalfunc-
tionintheelectronicsteeringlockbecause

thisincreasestheriskofanaccident.
-~©Enginestartsystem
jo]Enginestartsystem:malfunction!Please
contactService

Donotswitchtheignitionoffbecauseyoumay
notbeabletoswitchitonagain.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
EBEnginestartsystem:malfunction!Please
contactService
Thereisamalfunctionintheenginestartingsys-
tem.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
0Clutch
Appliesto:vehicleswithmanualtransmission
&Clutch:malfunction!Safelystopvehicle
Thereisanongoingmalfunctionintheclutch.
Stopthevehiclesafely.SeeanauthorizedAudi
dealerorauthorizedAudiServiceFacilityforas-
sistance.
fa]Clutch:malfunction!Adaptdrivingstyle.
PleasecontactService
Thereisanongoingmalfunctionintheclutch.
Theenginetorquethatcanbetransferredisre-
duced.Youmaycontinuedriving.Avoidusingthe
clutchinanywaythatwillplaceaheavyloadon
it.Forexample,donotlettheclutchrubwhen
startingonhillsorwhenmaneuveringthevehi-
cle.DrivetoanauthorizedAudidealerorauthor-
izedAudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
&Clutch:malfunction!Youcancontinuedriv-
ing
23
>

Instrumentcluster

Thereisamalfunctionintheclutch.Theengine
torque
thatcan betransferredisreduced.You
maycontinuedriving.Avoidusingtheclutchin
thefutureinanywaythatwillplaceaheavyload
onit.Forexample,donotlettheclutchrubwhen
startingonhillsorwhenmaneuveringthevehi-
cle.Theindicatorlightturnsoffoncetheclutchis
fullyoperableagain.
Ifthe|indicatorlightturnson,thehoodlock
isnotlatchedcorrectly.
Stopimmediatelyandclosethehood
=>page310.

ElectronicStabilizationControl(ESC)
IftheBindicatorlightblinkswhiledriving,the
ESCorASR(Anti-SlipRegulation)isactivelyregu-
lating.
IftheBindicatorlightturnson,thesystemhas
switched
theESCoff.Inthiscase,youcanswitch
theignitionoffandthenontoswitchtheESCon
again.Theindicatorlightturnsoffwhenthesys-
temisfullyfunctional.
IftheBindicatorlightturnson,ESCwas
switchedoffusingthe[2]button>page139.


Stabilizationcontrol(ESC/ABS):malfunction!
Seeowner'smanual
IftheBindicatorlampandtheES/assin-
dicatorlampturnonandthismessageappears,
theABSorelectronicdifferentiallockismalfunc-
tioning.ThisalsocausestheESCtomalfunction.
Thebrakesstillfunctionwiththeirnormalpower,
butABSisnotactive.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
@Tips
ForadditionalinformationonESCandABS,
see>page138.
24
BDrivesystem:malfunction!Safelystopvehi-
cle
Thereisamalfunctioninthedrivesystem.The
brakeboosterandthepowersteeringmaystop
working.
Stopthevehicleimmediatelyor assoon
aspossibleand donotcontinuedriving.Havethe
problemcorrectedbyanauthorizedAudidealer
orauthorizedAudiServiceFacility.
BDrivesystem:malfunction!Pleasecontact
Service
Thereisamalfunctioninthedrivesystem.Drive
slowlytoanauthorizedAudidealerorauthorized
AudiServiceFacilitytohavethemalfunctioncor-
rected.

nginespeedlimitation
IftheBiindicatorlightturnson,theenginewill
beautomaticallylimitedtotheRPMdisplayedin
theinstrumentcluster.Thisprotectstheengine
fromoverheating.
Theenginespeedlimitationdeactivatesoncethe
engineisnolongerinthecriticaltemperature
rangeandyouhavereleasedtheacceleratorped-
alonce.
Iftheenginespeedlimitationwasactivatedby
anenginecontrolmalfunction,theBgindicator
lightalsoturnson.Makesuretheenginespeed
doesnotgoabovethespeeddisplayed,forexam-
plewhendownshifting.Drivetoanauthorized
AudidealerorauthorizedAudiServiceFacilityim-
mediatelytohavethemalfunctioncorrected.
fTanksystem
lyPleaserefuel
Iftheindicatorlightturnsonforthefirsttime
andthemessageappears,thereareabout2.1
gallons(8liters)offuelleftinthetank.
lyPleaserefuelimmediately
Iftheindicatorlightturnsonandthismessage
appears,thefueltankisalmostempty.Refuel
thevehicleimmediately.

8W0012721BG
Instrumentcluster

iyTanksystem:malfunction!Pleasecontact
Service
Thereisamalfunctioninthefueltanksystem.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
@)Tips
Formoreinformationonfueling,see
=>page306.
®Washerfluidlevel
IfthegEindicatorlightturnson,thewasherflu-
idisalmostout.Fillthewasherfluidforthe
windshieldwashersystemandtheheadlight
washersystem*whentheignitionisswitchedoff
=>page320.
©!Windshieldwipers
Ifthe>indicatorlightturnson,thenthereisa
windshieldwipermalfunction.Drivetoanau-
thorizedAudidealerorauthorizedAudiService
Facilityimmediatelytohavethe malfunctioncor-
rected.
<3Driver'sdoor
|3}Driver'sdoor:malfunction!ShifttoPbefore
leavingvehicle.Seeowner'smanual
Thereisamalfunctioninthedriver'sdoor.Select
the"P"selectorleverposition(automatictrans-
mission)tosecurethevehicle.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
Bulbfailureindicator

IftheEaindicatorlightturnson,abulbhas
failed.Themessageindicatesthelocationofthe
bulb.Replace thebulbimmediately.
Vehiclelights:malfunction!Pleasecontact
Service
Thereisamalfunctionintheheadlightsorthe
lightswitch.DrivetoanauthorizedAudidealeror
authorizedAudiServiceFacilityimmediatelyto
havethemalfunctioncorrected.

Z\WARNING
—Lightbulbsareunderpressureandcanex-
plodewhenbulbsarereplaced,whichin-
creasestheriskofinjury.
—WithHIDheadlights(xenonheadlights),the
high-voltagecomponentmustbehandled
correctly.Otherwise,thereisariskoffatal
injury.


2©Dynamicheadlightrangecontrol
ByHeadlightrangecontrol:malfunction!See
owner'smanual
Thereisamalfunctioninthe headlightrange
controlsystem,whichmaycauseglareforother
drivers.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
ZOAudiadaptivelight
Appliesto:vehicleswithAudiadaptivelight
ByAudiadaptivelight:malfunction!Seeown-
er'smanual
Adaptivelightisnotworking.Theheadlightsstill
function.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
ComaAceals
aSAutomaticheadlights:malfunction!See
owner'smanual
aAutomaticwipers:malfunction!Seeowner's
manual
Thelight/rainsensorismalfunctioning.
Thelowbeamsremainswitchedonatalltimes
forsafetyreasonswhenthelightswitchisinthe
AUTOposition.However,youcancontinueto
turnthelightsonandoffusingthelightswitch.>
25

Instrumentcluster

Youcanstillcontrolallfunctionsthatareinde-
pendentoftherainsensorthroughthewind-
shieldwiperlever.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
{Suspensioncontrol
Appliesto:vehicleswithsuspensioncontrol
18|Suspension:malfunction!Youmaycontinue
driving
Thereisamalfunction.SeeanauthorizedAudi
dealerorauthorizedAudiServiceFacilityforas-
sistance.
beeNatMeleelametale)
Appliesto:vehicleswithallwheeldrive/sportdifferential
3All-wheeldrive:malfunction!Youmaycon-
tinuedriving.PleasecontactService
iT-3|Sportdifferential:malfunction!Pleasecon-
tactService
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
EH]All-wheeldriveoverheating.Pleaseadapt
drivingstyle.Seeowner'smanual
3}Sportdifferential:temperaturetoohigh.
Pleaseadaptdrivingstyle
Thetransmissiontemperaturehasincreasedsig-
nificantlyduetothesportydrivingmanner.Drive
inalesssportymanneruntilthetemperaturere-
turnstothenormalrangeandtheindicatorlight
switchesof.

ZXWARNING
ContactanauthorizedAudidealerorauthor-
izedAudiServiceFacilityiftheallwheeldrive/
sportdifferentialisfaultyormalfunctioning.
Therepairmustbeperformedbytrainedper-
sonnelusingthecorrectoilinordertoensure
safety.

26
ereasercy
IftheaorByindicatorlightblinks,aturnsig-
nalisturnedon.Ifbothindicatorlightsareblink-
ing,theemergencyflashersare on.
Ifanindicatorlightblinkstwiceasfastasusual,
aturnsignalbulbhasfailed.Carefullydrivetoan
authorizedAudidealerorauthorizedAudiService
Facilityimmediatelytohavethe malfunctioncor-
rected.

Openingandclosing

Childsafetylock
Thechildsafetylockpreventsthereardoors
frombeingopenedfromtheinsideandtherear
powerwindowsfrombeingoperated.
B8U-0321

B8W-0085

Fig.35
-Appliesto:vehicleswithmanualchildsafetylocks:-Rear
door:manualchildsafetylock
Vehicleswithbutton#
Appliesto:vehicleswithpowerchildsafetylocks
>Toactivateanddeactivatethechildsafetylock
(doorhandleandpowerwindowswitch)forthe
areardoor,presstheleftorright#buttonin
thedriver'sdoor(@)thatcorrespondstothat
reardoor>fig.34.Theindicatorlightinthe
buttonturnson/blinks.
>Makesurethechildsafetylockisworkingby
checkingthefunctionontherearpowerwin-
dowswitchanddoorhandle.
Vehicleswithbutton
Appliesto:vehicleswithmanualchildsafetylock
>
Toactivateordeactivatethechildsafetylock
forthepowerwindowswitchinthereardoors,
pressthe&buttoninthedriver'sdoor(2)
>fig.34.Theindicatorlightinthe buttonturns
on/blinks.
40

>Toactivateordeactivatethemanualchildsafe-
ty lockforthereardoorhandle,openthere-
spectivereardoorandturnthekeyswitchwith
themechanicalkeyinthedirectionofthearrow
oroppositethedirectionofthearrow>fig.35.
Thiswilldisablethefunctionofthereardoor
handle.
> Makesurethechildsafetylockisworkingby
checkingthefunctionontherearpowerwin-
dowswitchanddoorhandle.
Itisnotpossibletooperate therearclimatecon-
trolsystem*whenthechildsafetylockisswitch-
edon.TheSETREARfunctionallowsyoutoapply
allsettingstotherearusingtheclimatecontrol
systemcontrolsinthecockpit>page73.
Messageintheinstrumentclusterdisplay
Childproofcatch:malfunction!Pleasecon-
tactService
Thereisamalfunctioninthechildsafetylock.
Pressthe#/Gbuttonagain.
Ifthemessagestayson,driveimmediatelytoan
authorizedAudidealerorauthorizedAudiService
Facilitytohavethemalfunctionrepaired.

ZAWARNING
—Ifyouleavethevehicle,switchtheignition
offandtakethevehiclekeywithyou.This
appliesparticularlywhenchildrenremainin
thevehicle.Otherwisechildrencouldstart
theengineoroperateelectricalequipment
(suchaspowerwindows),whichincreases
theriskofanaccident.
—Amalfunctioninthechildsafetylockcould
allow
thereardoorstobeopenedfromthe
inside,whichincreasestheriskofanacci-
dent.