2019 AUDI A4 service

8W0012721BG
Assistsystems


—Ifvehiclesareapproachingorbeingleft
behindveryquickly.Thedisplaymaynot
turnonintime.
—Inpoorweatherconditionssuchasheavy
rain,snoworheavymist.
—Onverywidelanes,intightcurves,orif
thereisariseintheroadsurface.Vehicles
intheadjacentlanemaynot be detected
becausetheyareoutsideofthesensor
range.

C)Note
Thesensorscanbedisplacedbyimpactsor
damagetothebumper,wheelhousingand
underbody.Thiscanimpair thesystem.Have
anauthorizedAudidealerorauthorizedAudi
ServiceFacilitychecktheirfunction.
@Tips
—Ifthewindowglassinthedriver'sdooror
front
passenger'sdoorhasbeentinted,the
displayintheexteriormirrormaybeincor-
rect:
—Foranexplanationonconformitywiththe
FCCregulationsintheUnitedStatesandthe
IndustryCanadaregulations,see
=>page370.
SietemieRela
Appliesto:vehicleswithAudisideassist
Thesystemcanbeswitchedon/offintheInfo-
tainmentsystem.

>SelectintheInfotainmentsystem:[MENU]but-
ton>Vehicle> leftcontrolbutton>Driveras-
sistance>Audisideassist.Offswitchesthe
systemoff.

Ifthesystemisactivated,thedisplaysintheex-
terior
mirrorswillturnonbrieflywhentheigni-
tionisswitchedon.
@Tips
Whenyouswitchsideassistonoroff,theexit
warningsystemactivatesordeactivates
=>page124.
Settingthedisplaybrightness
Appliesto:vehicleswith Audisideassist
ThedisplaybrightnesscanbeadjustedintheIn-
fotainmentsystem.

>SelectintheInfotainmentsystem:[MENU]but-
ton>Vehicle>leftcontrolbutton>Driveras-
sistance>Audisideassist.

Thedisplaybrightnessadjustsautomaticallyto
thebrightness ofthesurroundings,bothinthe
informationandinthewarningstage.Invery
darkorverybrightsurroundings,theautomatic
adjustmentwillsetthedisplaytotheminimum
ormaximumlevel.Insuchcases,youmaynotice
nochangewhenadjustingthebrightness, orthe
changemayonlybenoticeableoncethesur-
roundingschange.
Adjustthebrightnesstoalevelwherethedisplay
intheinformationstagewillnotdisruptyour
view
ahead.Ifyouchangethebrightness,thedis-
playintheexteriormirrorwillbrieflyshowthe
brightnesslevelintheinformationstage.The
brightnessofthewarningstageislinkedtothe
brightnessintheinformationstageandisadjust-
edalongwiththeinformationstage.
(i)Tips
—Thesideassistfunctionsarenotactivedur-
ingtheadjustmentprocess.
—Theexitwarningindicatorsturnonduring
theadjustmentprocess.
—
Yoursettingsareautomaticallystoredand
assignedtothevehiclekeybeingused.
123

Assistsystems

@Tips
—Youcancanceltheautomaticbrakeactiva-
tionwithincreasingbrakingforceifyouap-
plythe brakesyourselforaccelerateconsid-
erably.
—Insomesituations,rearcross-trafficassist
maywarnyouevenifthereisnocrosstraffic
ina criticalarea,forexamplewhenbacking
into aparkingspaceormaneuvering.
—Therearcross-trafficassistalsoswitchesoff
whenyouswitchofftheESC.
—Foranexplanationonconformitywiththe
FCCregulationsinthe UnitedStatesandthe
IndustryCanadaregulations,see
=>page370.
Appliesto:vehicleswithAudisideassist
Amessageappearsintheinstrumentclusterdis-
playifthesideassistswitchesoffautomatically.
8Audisideassist:malfunction!Pleasecontact
Service
8Audisideassistandexitwarning:malfunc-
tion!PleasecontactService
Thesystemcannotguaranteethatitwilldetect
vehiclescorrectlyandithasswitchedoff.The
sensorshavebeenmovedorarefaulty.Havethe
systemcheckedbyanauthorizedAudidealeror
authorizedAudiServiceFacilitysoon.
Audisideassist:currentlyunavailable.Sen-
sorvisionrestrictedduetosurroundings.See
owner'smanual
Audisideassistandexitwarning:currently
unavailable.Sensorvisionrestrictedduetosur-
roundings
Theradarsensorvisionisimpaired.Theareain
frontofthesensorsmustnot becoveredbybike
racks,stickers,leaves,snoworanyotherobjects.
Cleantheareacoveringthesensors,ifnecessary
=>page122,fig.122.
Audisideassist:currentlyunavailable.See
owner'smanual
126
Audisideassistandexitwarning:currently
unavailable.Seeowner'smanual
Sideassistcannotbe switchedonatthistimebe-
causethereisamalfunction(forexample,the
batterychargelevelmaybetoolow).
Rearparkingaid:obstacledetectionrestrict-
ed
Therearcross-trafficassistisnotavailable.Ei-
thertheESCisswitchedoff,ortheradarsensors
maybecoveredbyabikerack,stickers,leaves,
snoworotherobjects.SwitchtheESCon,or
cleantheareainfrontofthesensorsifnecessary
=>page122,fig.122.Ifthismessagecontinues
tobedisplayed,driveimmediatelytoanauthor-
izedAudidealerorauthorizedAudiServiceFacili-
tytohave themalfunctionrepaired.
Audidriveselect
Introduction
Appliesto:vehicleswithAudidriveselect
Driveselectmakesitpossibletoexperiencedif-
ferenttypesofvehiclecharacteristicsinonevehi-
cle.ThedrivercanselectOffroad*,Comfort,Au-
toandDynamicmodesintheInfotainmentsys-
temtoswitchbetweenasportyandacomforta-
bledrivingmode,forexample.IntheIndividual
mode,thesettingscan beadjustedtoyourper-
sonalpreferences.Thismakesitpossibletocom-
bine settingssuchasasportyenginesettingwith
lightsteering.
Appliesto:vehicleswithAudidriveselect
Thefollowingsystems,amongotherthings,are
influencedbydriveselect:
Engineandautomatictransmission*
Dependingonthemode,theengineandauto-
matictransmission*respondmorequicklyorina
morebalancedmannertoacceleratorpedal
movements.InthesportyDynamicmode,the
transmissionshiftsathigherspeedranges.

8W0012721BG
Parkingaid

Parkingaid
Generalinformation
Appliesto:vehicleswitharearparkingsystem/parkingsys-
templus/rearviewcamera/peripheralcameras
Dependingonyourvehicle'sequipment,various
parkingaidswillhelpyouwhenparkingandma-
neuvering.
Therearparkingsystemisanaudible parkingaid
thatwarnsyouofobstaclesbehindthevehicle
=>page130.
Theparkingsystemplusassistsyouwhilepark-
ingbyaudiblyandvisuallywarningyouofobjects
detectedinfrontofandbehindthevehicle
=>page130.
Therearviewcamerashowstheareabehindthe
vehicleintheInfotainmentsystemdisplay.The
linesintherearviewcameraimagehelpyouto
parkormaneuver>page132.
Theperipheralcamerasgivevariousviewsto
helpyouwhenparkingormaneuvering
=page133.Theparkingsystemplusfunctions
arealsoavailable>page130.

ZAWARNING
—Alwayslookfortrafficandcheckthearea
aroundyourvehiclebylookingatitdirectly
aswell.Theparkingsystemcannotreplace
thedriver'sattention.Thedriverisalways
responsiblewhenenteringorexitingapark-
ingspaceandduringsimilarmaneuvers.
—Pleasenotethatsomesurfaces,suchas
clothing,arenotdetectedbythesystem.
—Sensorsandcamerashaveblindspotsin
whichpeopleandobjectscannotbedetect-
ed.Beespeciallycautiousofsmallchildren
andanimals.
—Alwayskeepyoureyesonthevehicle'ssur-
roundings,usingtherearviewmirroraswell.
— Thesensorscanbedisplacedbyimpactsor
damagetotheradiatorgrille,bumper,
wheelhousingandtheunderbody.Thepark-
ingsystemmaybeimpairedasaresult.
HaveanauthorizedAudidealerorauthor-
izedAudiServiceFacilitychecktheirfunc-
tion.

C@)Note
—Someobjectsarenotdetectedordisplayed
bythesystemundercertaincircumstances:
—objectssuchasbarrierchains,trailerdraw
bars,verticalpolesorfences
—objectsabovethesensorssuchaswallex-
tensions
—objectswithcertainsurfacesorstructures
suchaschainlinkfencesorpowdersnow
—Ifyoucontinuedrivingclosertoalowob-
ject,itmaydisappearfromthe sensor
range.NotethatyouwillnoLongerbe
warnedaboutthisobstacle.
—Maintainenoughdistancefromthecurbto
reducetheriskofdamagetotherims.
@)Tips
—The systemmayprovideawarningeven
thoughtherearenoobstaclesinthecover-
ageareainsomesituations,suchas:
—certainroadsurfacesor whenthereistall
grass
—externalultrasonicsourcessuchasfrom
cleaningvehicles
—inheavyrain,snow,orthickvehicleex-
haust
—Werecommendthatyoupracticeparkingin
atraffic-freelocationorparkinglotto be-
come
familiarwiththesystem.Practice
parkingingoodlightand weathercondi-
tions.
—Youcanchangethevolumeofthesignals
andthedisplay>page136.
—Whatappearsintheinfotainmentdisplayis
somewhattime-delayed.
—Thesensorsmustbekeptcleanandfreeof
snowandicefortheparkingaidtooperate.
—Appliesto:vehicleswithrearwindowwiper:
Therearviewcamerawillbecleanedwith
therearwindow>page53.
129

Parkingaid

—Automatictransmission:the"P"selector
leverpositionisengagedandreleasedagain
Rearviewcamera
Introduction
Appliesto:vehicleswith rearviewcamera

B8V-0629



Fig.131Diagram:linestoaidinparking
Therearviewcamerahelpsyoutoparkormaneu-
verusingtheorientationlines.
Generalinformation
Appliesto:vehicleswithrearviewcamera

B8W-0106
Fig.132Areacovered@andareanotcovered(2)bythe
rearviewcamera.

B8W-0107

Fig.133Luggagecompartmentlid:locationoftherear-
viewcamera
132

Therearviewcameraislocatedabovetherearli-
censeplatebracket.Makesurethatthelensfor
therearviewcamera>fig.133isnotcoveredby
depositsoranyotherobstructionsbecausethis
can impairthefunctionoftherearviewcamera.
Forinformationoncleaning,see>page342.
Therearviewcameracoverageareaincludes(@)
>fig.132.OnlythisareaisshownintheInfo-
tainmentdisplay.ObjectsthatareinareaQ),
whichisnotcovered,arenotdisplayed.

ZAWARNING
—Alwaysreadandfollowtheapplicablewarn-
ings>A\inGeneralinformationon
page129.
—Ifthepositionandtheinstallationangleof
therearviewcamerawaschanged,forexam-
pleafteracollision,donotcontinuetouse
the
systemforsafetyreasons.Haveit
checkedby anauthorizedAudidealeror au-
thorizedAudiServiceFacility.
—Onlyusetherearviewcameratoassistyouif
itshowsagood,clearpicture.Forexample,
theimagemaybeaffectedbythesunshin-
ingintothelens,dirtonthelens,orifthere
isamalfunction.
—Usetherearviewcameraonlyiftheluggage
compartmentlidiscompletelyclosed.Make
sureanyobjectsyoumayhavemountedon
theluggagecompartmentliddonotblock
therearviewcamera.
— Thecameralensenlargesanddistortsthe
fieldofvision.Theobjectappearsbothal-
teredandinaccurateonthescreen.
—Incertainsituations,peopleor objectsin
thedisplayappearcloserorfartheraway:
—Forobjectsthatdonottouchtheground,
suchasthebumperofaparkedvehicle,a
trailerhitchortherearofatruck.Donot
use theorientationlinesinthiscase.
—Ifdrivenfromalevelsurfaceontoanin-
cline,oradownwardslope.
—Ifdriventowardprotrudingobjects.
—Ifthevehicleiscarryingtoomuchloadin
therear.

Parkingaid

Generalinformation
Appliesto:vehicleswithperipheralcameras

B8W-0108


Fig.136Locationofperipheralcameras
Thefourperipheralcamerasarelocatedinthera-
diatorgrille,intheluggagecompartmentlidand
onbothexteriormirrors>fig.136.Makesure
thatthelensesarenotcoveredbydepositsorany
otherobstructionsasthismayimpairthesystem.
Forinformationoncleaning,see>page342.
Blackcornersareshowninthevehiclesilhouette
wheninSurroundingsmode.Objectsinthese
areasareoutsideofthecamera'sfieldofview
andarenotdetected.

ZA\WARNING
—Alwaysreadandfollowtheapplicablewarn-
ings>A\inGeneralinformationon
page129.
—Ifthepositionortheinstallationangleofa
camerawaschanged,forexampleaftera
collision,donotcontinuetousethesystem
forsafetyreasons.Haveitcheckedbyanau-
thorizedAudidealerorauthorizedAudi
ServiceFacility.
—Keepinmindthattheimageinthedisplayis
incorrectiftheexteriormirrorhousinghas
beenmovedoutofplace.
—Onlyuse theimagesprovidedby thecamera
ontherearofthevehiclewhentheluggage
compartmentlidiscompletelyclosed.Make
sureanyobjectsyoumayhavemountedon
theluggagecompartmentliddonotblock
therearviewcamera.
— Theareaaroundthevehicleisshownusing
thecameraimages.Thevehicleimageis
shownbythesystem.Objectsandobstacles
abovethecameraarenotdisplayed.

134

—Cameralensesenlargeanddistortthefield
ofvision.Theobjectsappearbothaltered
andinaccurateonthescreen.
@)Note
—Alwaysreadandfollowtheapplicablewarn-
ings>@inGeneralinformationon
page129.
— TheInfotainmentdisplayshowsthedirec-
tioninwhichtherearofthevehicleistravel-
ing
basedonthesteeringwheelangle.The
frontofthevehicleswingsoutmorethan
therearofthevehicle.Maintainplentyof
distanceso thatanexteriormirrororacor-
nerofthevehicledoesnotcollidewithany
obstacles.
@Tips
Ifthe2/&9/ playandtherespectivedisplayareaisgrayed
out,thenthepowerexteriormirrorswere
foldedinorthedriver'sdoor/frontpasseng-
er'sdoor/luggagecompartmentlid was
opened.
Switchingonandoff
Appliesto:vehicleswithperipheralcameras


Pcaa
Fig.137Infotainmentsystem:selectthemode
Switchingonandoff
Requirement:thevehiclespeedmustbeunder
approximately6mph(10km/h).
>PresstheP”buttoninthecenterconsole
=>page131,fig.130.Ashortconfirmation
tonesoundsandtheLEDinthebuttonturns
on.

8W0012721BG
Parkingaid

automaticallywhenyoushiftintoreversegear.
Theviewinfrontofthevehicle(Frontmode)is
displayedautomaticallywhenyoushiftintothe
forwardgears.Whenfirstactivatinginaforward
gearwiththePbutton,thefrontsideviewis
displayed(Cornerview(front)mode).
IfyoudonotsettheV,theviewbehindthevehi-
cle(Rearmode)isalwaysdisplayedanditdoes
notswitchtothe Frontmodewhenaforward
gearisselected.
@Tips
—Severalmenuscanbeaccessedwiththe
rightcontrolbuttononlywhentheparking
aidisactive.
—Certain settingsareautomaticallystored
andassignedtothevehiclekeybeingused.
— Thenewlevelisdemonstratedbriefly*when
thevolumeisadjusted.
Errormessages
Appliesto:vehicleswitharearparkingsystem/parkingsys-
templus/rearviewcamera/peripheralcameras
wmRearparkingaid:malfunction!Obstacles
cannotbedetected
wmFrontparkingaid:malfunction!Obstacles
cannotbedetected
wmParkingaid:malfunction!Obstaclescannot
bedetected
Whenoneofthesemessagesappears,thereisa
systemmalfunction.TheLEDintheP4buttonal-
soblinkswhenswitchingiton.Therelevantmes-
sageonlyappearsagainwhenyoumanuallyacti-
vatetheparkingaidwiththebutton.
Rearparkingaid:obstacledetectionrestrict-
ed
Therearcross-trafficassist*>page125,Rear
cross-trafficassistisnotavailable.EithertheESC
isswitchedoff,ortheradarsensorsmaybecov-
ered byabikerack,stickers,leaves,snoworother
objects.SwitchtheESCon,orcleantheareain
frontofthesensorsifnecessary>page122,
fig.122.Ifthismessagecontinuestobedis-
played,driveimmediatelytoanauthorizedAudi
dealerorauthorizedAudiServiceFacilitytohave
themalfunctionrepaired.
Parkingsystemplus*
If asensororspeakerisfaulty,theP4symbol
willappearinfrontof/behindthevehicleinthe
Infotainmentsystemdisplay.If arearsensoris
faulty,onlyobstaclesthatareinareas(@)and
areshown>page130,fig.128.Ifafrontsensor
isfaulty,onlyobstaclesthatareinareas©and
©areshown.
Peripheralcameras*
Thereisasystemmalfunctionifthe#«symbol
appearsandthecorrespondingareaofthedis-
playisshowninblack.Thecameraisnotworking
inthisarea.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
137

8W0012721BG
IntelligentTechnology

Thesystemdoesnotworkatspeedsbetweenap-
proximately19 and37mph(30and60km/h).
Thesystemistheninready-mode.Thisisindicat-
edbytheLEDinthe buttonturningon.Thesys-
temautomaticallyswitchedoffwhenyoudrive
fasterthan37mph(60km/h).TheLEDwillalso
turnoffinthisscenario.
Hilldescentassistisautomaticallyactivatedun-
derthefollowingconditions:
—theLEDinthebuttonturnson
—thevehiclespeedislowerthan19mph(30
km/h)
—thehillangleisatleastapproximately6%

ZAWARNING
—Bereadytoapply thebrakesatalltimes
whenusingthehillholdassist.
—Alwaysadjustthespeedto thevisibility,
weather,road,andtrafficconditions.The
systemcannotreplacethedriver'satten-
tion.
— Thesystemcannotmaintainaconstantvehi-
clespeedinallsituations,forexamplewhen
onsmoothorslipperyground.Thiscanin-
creasetheriskofanaccident.

Brakes
Newbrakepads
Newbrakepadsdonotachievetheirfullbraking
effectduringthefirst250mi(400km).They
mustbe“brokenin”first.However,youcancom-
pensatefortheslightlyreducedbrakingforceby
pressingfirmlyonthebrakepedal.Avoidheavy
brakingduringthebreak-inperiod.
Brakepadweardependslargelyonthewaythe
vehicleisdrivenandonoperatingconditions.
Brakepadwearincreaseswhendrivingfrequently
inthecityorshortdistancesorwhenusingavery
sportydrivingstyle.
Operatingnoise
Noisesmayoccurwhenbrakingdependingonthe
speed,
brakingforce,andoutsideconditionssuch
astemperatureandhumidity.
Wetconditionsorroadsalt
Incertainsituations,forexampleafterdriving
throughwater,inheavyrain,orafterwashing
yourcar,thebrakingeffectmaybereduceddue
tomoistureoriceonthebrakerotorsandbrake
pads.Thebrakesmustbe“dried”firstwithafew
carefulbrakeapplications.
Whendrivingathigherspeedswhilethewind-
shieldwipersareswitchedon,thebrakepadsare
brieflypressedagainstthebrakerotors.Thisac-
tion,whichisnotfeltbythedriver,happensat
regularintervalsandensuresabetterreaction
timeforthe brakesinwetweather.
Thebrakingeffectcanalsobereducedifyouare
drivingonsaltedroadsandyoudonot applythe
brakesforlongperiodsoftime.Thelayerofsalt
onthebrakerotorsandpadsmustbewornoff
firstwhenthebrakesareapplied.
Corrosion
Leavingthevehicleparkedforlongperiodsof
time,lowmileageonthevehicle,andavoiding
heavybrakingcancontributetocorrosiononthe
brakerotorsandtodirtybrakepads.
Ifyouusuallyavoidheavybrakingorifthereis
corrosionpresent,occasionalheavybrakingat
highspeedsisrecommendedtocleanthebrake
rotorsandpads>A\.
Brakesystemmalfunction
Ifyounoticethatthebrakepedalsuddenlygoes
downfarthertowardthefloorwhenyoupressit,
thenabrakecircuitinthedual-circuitbrakesys-
temmayhavemalfunctioned.Drivetoanauthor-
izedAudidealerorauthorizedAudiServiceFacili-
tyimmediatelytohavetheproblemcorrected.
Onthewaythere,drivewithreducedspeedand
keepinmindthatyouwillneedalongerdistance
tostopandyouwillneedtopressthebrake pedal
harder.
Lowbrakefluidlevel
Whenthebrakefluidlevelislow,malfunctionsin
thebrakesystemmayoccur.Thebrakefluidlevel
iselectronicallymonitored.
141

IntelligentTechnology

Brakebooster
Thebrakeboosteramplifiesthepressureyouap-
plytothebrakepedal.

ZAWARNING
—Onlyapplythebrakesforthepurposeof
cleaningthebrakesystemwhenroadand
trafficconditionspermit.Youmustnoten-
danger
otherroadusersandincreasethe
riskofanaccident.
—Duetotheriskofinjury,onlyhave anau-
thorizedAudidealerorauthorizedAudi
ServiceFacilityworkonthebrakesystem.
Incorrectrepairscouldimpair thefunction.
—Neverletthevehiclerollwhiletheengineis
stoppedbecausethisincreasestheriskofan
accident.

@)Note
—Neverletthe brakes“rub”bypressingthe
pedallightlywhenbrakingisnotactually
necessary.Thiscauses thebrakestoover-
heatandincreasesbrakingdistanceand
causeswear.
—Beforedrivingdownhillalongdistanceona
steephill,decreaseyourspeedandselecta
lowergear.Thismakesuseoftheengine
brakingeffectandreducestheloadplaced
onthebrakes.Ifyouneedtobrakeaddition-
ally,brakeinintervalsandnotcontinuously.
@Tips
—Ifthebrakeboosterisnotworking,you
mustpressthebrake pedalwithmuchmore
forcethannormal.
—Ifyouretrofityourvehiclewithafrontspoil-
er,wheelcoversorsimilaritems,makesure
thattheairflowtothefrontwheelsisnot
obstructed.Otherwisethebrakesystemcan
overheat.
142
Electromechanical
steering,Dynamic
steering
Theelectromechanicalsteeringsupportsthe
driver'ssteeringmovements.
Powersteeringadaptselectronicallybasedon
thevehiclespeed.
Indicatorlightsandmessages
aSteering:malfunction!Pleasestopvehicle
Ifthisindicatorlightturnsonandstaysonand
thismessageappears,thepowersteeringmay
havefailed.
Stopthevehicleinasafelocationassoonaspos-
sible.Donotcontinuedriving.Seeanauthorized
AudidealerorauthorizedAudiServiceFacilityfor
assistance.
aSteering:malfunction!Youcancontinue
driving
Iftheindicatorlightturnsonandthismessage
appears,thesteeringwheelmaybemoredifficult
tomoveormoresensitivethanusual.Thesteer-
ingwheelmayalsobeturnedtothesidewhen
drivingstraight.
DriveslowlytoanauthorizedAudidealerorau-
thorizedAudiServiceFacilitytohavethe mal-
functioncorrected.
Dynamicsteering:correctingsteeringwheel
position
Iftheindicatorlightturnsonandthismessage
appears,thedynamicsteering”isreinitializing.
Thesteeringwheelwillbeeasytomoveafter
startingtheengine.Reinitializationmightbe
necessaryifthesteeringwheelwasmovedwhile
theenginewasswitchedoff.Thedisplayturnsoff
iftheinitializationwassuccessful.
(i)Tips
—Iftheaorlindicatorlightonlystayson
forashorttime,youmaycontinuedriving.
— Thedynamicsteeringstabilitysystems
=>page138arenotavailableintheeventof
asystemmalfunction.