2019 AUDI A4 sensor

Assistsystems

Generalinformation
Appliesto:vehicleswith Audisideassist


B4M-0101



B8W-0101

Fig.122Rearofthevehicle:positionofthesensors
Sideassistfunctionsatspeedsaboveapproxi-
mately9mph(15km/h).
@Vehiclesthatareapproaching
Incertaincases,avehiclewillbeclassifiedas
criticalforalanechangeevenifitisstillsome-
whatfaraway.Thefasteravehicleapproaches,
thesoonerthedisplayintheoutsidemirrorwill
turnon.
Vehiclestravelingwithyou
Vehiclestravelingwithyouareindicatedinthe
exteriormirroriftheyareclassifiedascriticalfor
alanechange.Allvehiclesdetectedbysideassist
122
areindicatedbythetimetheyenteryour“blind
spot”,
atthelatest.
©Vehiclesyouarepassing
Ifyouslowlypassavehiclethatsideassisthas
detected(thedifferenceinspeedbetweentheve-
hicleandyourvehicleislessthanapproximately
9mph(15km/h)),thedisplayintheexteriormir-
rorturnsonassoonasthevehicleentersyour
blind spot.
Thedisplaywillnotturnonifyouquicklypassa
vehiclethatsideassisthasdetected(thediffer-
enceinspeedisgreaterthanapproximately9
mph(15km/h)).
Functionallimitations
Theradarsensorsaredesignedtodetecttheleft
andrightadjacentlaneswhentheroadlanesare
thenormalwidth.Insomesituations,thedisplay
intheexteriormirrormayturnoneventhough
thereisnovehiclelocatedintheareathatiscriti-
calforalanechange.Forexample:
—Ifthelanesarenarroworifyouaredrivingon
theedgeofyourlane.Ifthisisthecase,the
systemmayhavedetectedavehicleinanother
lanethatisnotadjacenttoyourcurrentlane.
—Ifyouaredrivingthroughacurve.Sideassist
mayreacttoavehiclethatisinthesamelane
or
onelaneoverfromtheadjacentlane.
—
Ifsideassistreactstootherobjects(suchas
roadsidestructureslikeguardrails).
—Inpoorweatherconditions.Thesideassist
functionsarelimited.
Donotcovertheradarsensors>fig.122with
stickers,deposits,bicyclewheelsorotherob-
jects,becausethiswillimpairthefunction.For
informationoncleaning,see>page342.

ZA\WARNING
—Alwayspayattentiontotrafficandtothe
areaaroundyourvehicle.Sideassistcannot
replaceadriver'sattention.Thedriveralone
isalwaysresponsibleforlanechangesand
similardrivingmaneuvers.
—Insomesituations,thesystemmaynot
functionoritsfunctionmaybelimited.For
example:>

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


fExitwarning— Theexitwarningsystemcanbeavailablefor
Appliesto:vehicleswithexitwarningsystemuptoapproximatelythreeminutesafterun-
lockingthevehicleandopeningthedooras
wellasafterswitchingofftheignition.Then
thedisplaysflashbrieflyandthesystem
switchesoff.

—Theexitwarningsystemdoesnotrespond
topeopleandcannotwarnyouaboutevery
typeofapproachingobjects,suchascyclists.
Alwaysmonitorthetrafficaswellastheve-
hicle'ssurroundingswithdirecteyecontact.

ZAWARNING
Theexitwarningsystemissubjecttolimita-
tionsandcannotwarnyoubeforeeveryim-
pendingcollision:
—Ifthevehicleistoowidefortheparking
spaceandcoveredbytheneighboringvehi-
cles.

B8W-0102
—Approachingobjectsorpeoplesuchascy-
clistsorskateboardersmaynot be detected
undercertaincircumstances.

Fig.124Door:ingstri:
osScieveee—The systemdoesnotreacttostationaryob-
jects.
—Theviewoftheradarsensorsmaybeim-
pairedbyleaves,snow,heavysprayordirt.
Clean
theareainfrontofthesensors
=page122,fig.122.
Whenthevehicleisstationary,theexitwarning
systemwarnsthepassengersofapossiblecolli-
sionwhenopeningthedoor.Withinthelimitsof
thesystem,thesystemmonitorstheareasbe-
hindandnexttothevehicleusingtheradarsen-
sors>page122,fig.122.MovingobjectsthatCG)N
areapproachingfrombehind,suchascars,areeto
detected©fig.123.Alsoreadtheinformationin>@inGeneral
informationonpage123.
Whenyouopenthedoor,thewarningstriponfpag
theaffecteddoorblinks>fig.124ifanotherG@)Tips
roaduserisdetectedandthesituationisclassi-=
fiedascritical.Thedisplayintheexteriormirror
ontheaffectedsideflashesatthesametime.If
thedoorisalreadyopen andanotherroaduseris
detectedandthesituationisclassifiedascritical,
thenthecorrespondingdisplaysturnon.
— Theexitwarningsystemisswitchedonand
offthroughthesideassist>page123.The
exitwarningindicatorsturnonduringthe
adjustmentprocess.
— Thedisplaybrightnessfortheexitwarning
systemcannotbeadjusted.
WARNING
—Alwayspayattentiontotrafficandtothe
areaaroundyourvehicle.Theexitwarning
systemdoesnotreplacetheattentionofthe
vehicleoccupants.Thevehicleoccupantsare
alwaysresponsibleforopeningthedoors
andexitingthevehicle.



124

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Assistsystems

meritia
Appliesto:vehicleswithrearcross-trafficassist

RAH-8918

Fig.126Infotainmentsystem:rearcross-trafficassistdis-
play
Activatingrearcross-trafficassist
Therearcross-trafficassistisactivatedautomati-
callyifyouturnontheparkingaid>page129or
shiftintoreversegear.
Therearcross-trafficassistcanwarnofapoten-
tialcollisionwithapproachingcross-trafficwhen
drivinginreverseatspeedsuptoapproximately
9mph(15km/h).Withinitslimits,thesystem
monitorstheareasbehindandnexttothevehicle
usingtheradarsensorswhenleavingaparking
space>page122,fig.122.Movingobjectsthat
areapproaching,suchascars,aredetected
>fig.125.
Ifthesystemdetectscriticalcrosstrafficwhen
backingoutofaparkingspace,itwillreactasfol-
lows:
—Visualindicator: anindicatorappearsintheIn-
fotainmentsystemdisplaywitharedarrow
symbol.Thearrowpointsinthedirectionfrom
whichtheobjectisapproaching>fig.126.
—Audiblewarningsignal:acontinuoustonemay
soundasanadditionalindicatorwhendrivingin
reverse.
—Automaticbrakeactivation:abriefactivation
ofthe brakesmayalsowarnyouofapotential
collisionwithanapproachingobject.
Theaudiblewarningsignalandtheautomatic
brakeactivationoccuronlywhendrivinginre-
verse.

ZAWARNING
—Therearcross-trafficassistisanassistsys-
temandcannotpreventacollisionbyitself.
Thedrivermustalwaysintervene.Thedriver
isalwaysresponsibleforbrakingatthecor-
recttime.
—Pleasenotethattherearcross-trafficassist
mayactivatethebrakesunexpectedly.Se-
cureanycargothatyouaretransportingto
reducetheriskofdamageorinjury.
—Automaticbrakingcannotbetriggered
againwithin20secondsafteranautomatic
brakeactivation.
—Ifthereisanacousticwarningsignalfrom
therearcross-trafficassist,thentheparking
systemmaynotwarnyouofdetectedobsta-
clesundercertaincircumstances.
— Theviewoftheradarsensorsmaybeim-
pairedbyleaves,snow, heavysprayordirt.
Cleantheareainfrontofthesensors
>page122,fig. 122.


Z\WARNING
—Therearcross-trafficassistwillnotprovide
alertsaboutpeopleandcannotwarnyou
abouteverytypeofapproachingobjects,
suchascyclists.Alwaysmonitorthetraffic
aswellasthevehicle'ssurroundingswithdi-
recteyecontact.
—Therearcross-trafficassistwillnotprovide
alertsifyourvehicleisparallelordiagonally
parkedorifyourvehicleispulledtoofarin-
totheparkingspaceso thatitishiddenby

adjacentvehicles.

@)Note
Alsoreadtheinformationin©inGeneral
informationonpage123.>
125

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.

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Assistsystems

Suspensioncontrol*
Thesuspensioncontrol*usessensorsto record
informationregardingsteeringmovements,
brakingandaccelerationoperationsbythedriver,
roadsurface,drivingspeed,andload.Thismakes
itpossibletoadaptdampingtothedrivingsitua-
tionnearlyinrealtime.Withdriveselect,youcan
adjustthesuspensioncontroltosporty(Dynam-
ic),comfortable(Comfort)orbalanced(Auto).
Steering
Thepowersteeringadapts.Indirectsteeringthat
moveseasilyasinComfortmodeisespecially
suitedtolongdrivesonhighways.TheDynamic
modeprovidessporty,directsteering.
Thefollowingappliestovehicleswithdynamic
steering*:thesteeringratiochangesbasedonve-
hiclespeedinordertomaintainoptimumsteer-
ing effortforthedriver atalltimes.Thissetsthe
steering tobelesssensitiveathigherspeedsin
ordertoprovideimprovedvehiclecontrol.Atre-
ducedspeeds,steeringismoredirectinorderto
keepthesteeringeffortasminimalaspossible
whenthedriverismaneuveringthevehicle.At
lowandaveragespeeds,dynamicsteering*addi-
tionallyprovidesmoreresponsivesteeringper-
formance.
Sportdifferential*
Asacomponentoftheallwheeldrivesystem
(quattro)>page143,thesportdifferentialdis-
tributesthedrivingpowertotherearaxlede-
pendingonthesituation.Thedistributionof
powervariesdependingontheselectedmode
frommoderate(Comfort)tosporty(Dynamic).
Thegoalisahighlevelofagilityandabilitytoac-
celerateoncurves.Thevehicleisveryresponsive
tosteering.
Adaptivecruisecontrol(ACC)*
Thebehaviorwhenacceleratingcanbeadjusted
fromcomfortabletosporty,dependingonthe
driveselectmode.Adaptivecruisecontrolalso
respondstothedrivingbehaviorofthevehicle
aheadinamoreconservativeorsportymanner.

Enginesound*
Theenginesoundadaptstothecurrentmode
andcan besubtletosporty.
@Tips
The"S"selectorleverpositionautomatically
engageswhentheDynamicmodeisselected.
Selectingthedrivingmode
Appliesto:vehicleswithAudidriveselect

B8W-0171
Fig.127Centerconsole:controlsfordriveselect
>Presstheleftorrightarrowkey>fig.127until
thedesiredmodeappearsintheinstrument
cluster/Infotainmentsystemdisplay.Or
>SelectintheInfotainmentsystem:[MENU]but-
ton>Vehicle>Audidriveselect.
>
Selectandconfirmthedesiredsetting.


Youcanchangethedrivingmodewhenthevehi-
cleisstationaryorwhiledriving.Iftrafficper-
mits, afterchangingmodes,brieflyremoveyour
footfromtheacceleratorpedalso thatthere-
centlyselectedmodeisalsoactivatedfortheen-
gine.
Offroad”-activatesoffroadfunctionstosupport
drivingonroughterrain.Theengine,transmis-
sionandsteeringadjustandtheStart/Stopsys-
tem*switchesoff.
Comfort-providesacomfort-orientedvehicle
setupandissuitedforlongdrivesonhighways.
Auto-providesanoverallcomfortableyetdy-
namicdrivingfeelandissuitedforeverydayuse.
Dynamic-givesthedriverasportydrivingfeel
andissuited toasportydrivingstyle.
Individual->page128.
127

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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

Rearparkingsystem
Appliesto:vehicleswithrearparkingsystem
Therearparkingsystemisanaudibleparking
aid.
Description
Thereisasensorintherearbumpercover.If
thesedetectanobstacle,audiblesignalswarn
you.
Makesurethesensorsarenotcoveredbystick-
ers,depositsoranyotherobstructionsasitmay
impairthefunctionofthesystem.Forinforma-
tiononcleaning,see>page342.
Therangeatwhichthesensorsbegintomeasure
isapproximately:

Side
Center
3ft(0.90m)
5.2ft(1.60m)
Rear

Thecloseryougettotheobstacle,theshorter
theintervalbetweentheaudiblesignals.Acon-
tinuoustonesoundswhentheobstacleisless
thanapproximately1foot(0.30meters)away.
Donotcontinuebackingup>A\inGeneralinfor-
mationonpage129,>@inGeneralinformation
onpage129!
Switchingonautomatically
Thesystemswitchesonautomaticallywhenre-
versegearisengagedwhiletheengineisrun-
ning.Abrieftonewillsound.
@Tips
Ifthedistancetoanobstacleremainscon-
stant,thevolumeofthedistancewarning
graduallylowersafterafewsecondsuntilitis
muted(thisdoesnot applytothecontinuous
tone).Iftheobstaclecomescloserthanitwas
beforethesoundwasmuted,thetonewill
soundagain.Iftheobstaclebecomesfarther
awaythanitwasbefore thesoundwasmut-
ed,notonewillsound.Payattentiontothe
vehicle'ssurroundingswhenyoustartto
drive.
130

Parkingsystemplus
Appliesto:vehicleswithparkingsystemplus

RAZ-0260



ee
Fig.129Infotainmentsystem:visualdistancedisplay
Theparkingsystemplususesaudioandvisual
warningstohelpyouavoidobstacleswhenpark-
ing.
Sensorsarelocatedinthefrontandrearbump-
ers. Ifthesedetectanobstacle,audibleandvisu-
alsignalswarnyou.
Makesurethesensorsarenotcoveredbystick-
ers,depositsoranyotherobstructionsasitmay
impairthefunctionofthesystem.Forinforma-
tiononcleaning,see>page342.
Thedisplayfieldbeginsapproximatelyat:





@4ft(1.20m)
@3ft(0.90m)
®5.2ft(1.60m)
@3ft(0.90m)

Audiosignals
Thecloseryougettotheobstacle,theshorter
theintervalbetweentheaudiblesignals.Acon-
tinuoustonesoundswhentheobstacleisless
thanapproximately1foot(0.30meters)away.
Donotcontinuedrivingforwardorinreverse>