ESP AUDI S4 2019 Manual PDF

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

8W0012721BG
Parkingaid

=>A\inGeneralinformationonpage129,>@in
Generalinformationonpage129!
Visualwarnings
ThevisualwarningsintheInfotainmentsystem
displayhelpyoutodetectthecriticalvehiclearea
andtoestimatethedistancetoanobstacle
>fig.129.
Redsegmentsshowidentifiedobstaclesthatare
inyourvehicle'spath.Theredlinesmarktheex-
pecteddirectionoftravelaccordingtothesteer-
ing
angle.Awhitesegmentindicatesanidenti-
fiedobstaclethatisoutsideofthevehicle'spath.
Asyourvehiclecomesclosertotheobstacle,the
segmentsmoveclosertothevehicle.Thecolli-
sionareahasbeenreachedwhenthenexttolast
segmentisdisplayed.Obstaclesinthecollision
area,includingthoseoutsideofthevehicle's
path, areshowninred.Donotcontinuedriving
forwardorinreverse>A\inGeneralinformation
onpage129,>@inGeneralinformationon
page129!
@Tips
Ifthedistancetoanobstacleremainscon-
stant,thevolumeofthedistancewarning
graduallylowersafterafewsecondsuntilitis
muted(thisdoesnot applytothecontinuous
tone).Iftheobstaclecomescloserthanitwas
beforethesoundwasmuted,thetonewill
soundagain.Iftheobstaclebecomesfarther
awaythanitwasbeforethesoundwasmut-
ed,notonewillsound.Payattentiontothe
vehicle'ssurroundingswhenyoustartto
drive.
SyicealiaremliieRela
Appliesto:vehicleswithparkingsystemplus
z
s
S|
=aEs

Fig.130Centerconsole:parkingaidbutton
Switchingonandoff
Requirement:thevehiclespeedmustbeunder
approximately6mph(10km/h).
>PresstheP™buttoninthecenterconsole.A
shortconfirmationtonesoundsandtheLEDin
thebuttonturnson.
Switchingonautomatically
The
systemswitchesonautomaticallywhenre-
versegearisengagedwhiletheengineisrun-
ning.Abrieftonewillsound.
IfActivateautomaticallyisswitchedoninthe
Infotainmentsystemandifthevehicleap-
proachesanobstacleatspeedsunderapproxi-
mately6mph(10km/h),theparkingaidwill
switchonautomatically.Audiblesignalswill
soundoncetheobstacleiswithinthesensorde-
tectionarea.
Switchingoffautomatically
Thedistanceindicatorfortheparkingsystem
plusswitchesoffautomaticallywhendrivingfor-
wardfasterthan6mph(10km/h).
(@)Tips
IfyoupressthePvbuttonto switchthepark-
ingaidoff,itcanonlybereactivatedautomat-
icallywhenoneofthefollowingconditionsis
met:
—Thevehiclespeedexceeds6mph(10km/h)
—Theignitionisswitchedoffandbackon
again
—Theparkingbrakeissetandthenreleased
131
>

8W0012721BG
Parkingaid

@)Note
—Alwaysreadandfollowtheapplicablewarn-
ings>@inGeneralinformationon
page129.
— Theorange-coloredorientationlinesinthe
Infotainmentdisplayshowthevehiclepath
basedonthesteeringwheelangle.The
frontofthevehicleswings outmorethan
therearofthevehicle.Maintainplentyof
distanceso thatanexteriormirrororacor-
nerofthevehicledoesnotcollidewithany
obstacles.
SicRiemela
Appliesto:vehicleswith rearviewcamera
Switchingonandoff
Requirement:thevehiclespeedmustbeunder
approximately6mph(10km/h).
>PressthePbuttoninthe centerconsole
=>page131,fig.130.Ashortconfirmation
tonesoundsandtheLEDinthe buttonturns
on.
Switchingonautomatically
Thesystemswitchesonautomaticallywhenre-
versegearisengagedwhiletheengineisrun-
ning.Abrieftonewillsound.
Switchingoffautomatically
Thesystemswitchesoffautomaticallywhendriv-
ingforwardfasterthan6mph(10km/h).
Perpendicularparking
Appliesto:vehicleswith rearviewcamera
Thisviewmaybe usedwhenparkinginagarage
orinaparkingspace.

Fig.134Infotainmentsystem:aimingat aparkingspace

Fig.135Infotainmentsystem:aligningthevehicle
>Turn theInfotainmentsystemonandshiftinto
reversegear.
>Theorangeorientationlines@)showthevehi-
cle'sdirectionoftravel.Turnthesteeringwheel
untiltheorangeorientationlinesalignwiththe
parkingspace>fig.134.Usethemarkings@)
tohelpyouestimatethedistancetoanobsta-
cle.Eachmarkingrepresentsapproximately3ft
(1m).Thebluearearepresentsanextensionof
thevehicle'soutlinebyapproximately16ft(5
meters)totherear.
>Whiledrivinginreversegear,adjustthesteer-
ing
wheelangletofittheparkingspaceusing
theorangeorientationlinesforassistance>/\
inGeneralinformationonpage132,>@)in
Generalinformationonpage133. Area@)rep-
resentstherearbumper.Attheverylatest,
stopthevehiclewhentheredorientationline
@bordersanobject.
Peripheralcameras
Introduction
Appliesto:vehicleswithperipheralcameras
Withthisequipment,theparkingsystemplus*
=page130issupplementedwithvariousperiph-
eralcameras.Thefourcamerasgiveyouthefol-
lowingviews:areaaroundthevehicle,frontcor-
nerviewandrearcornerview,viewinfrontofthe
vehicleandbehindthevehicle.
133

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

IntelligentTechnology

IntelligentTechnology
ElectronicStabilization
Control(ESC)
ElectronicStabilizationControl(ESC)supports
driversafety.Itreducestheriskofslippingand
improvesdrivingstability.ESCdetectscriticalsit-
uations,suchasifthevehicleisoversteeringor
understeering,orifthewheelsare spinning.The
brakesareappliedortheenginetorqueisre-
ducedinordertostabilizethevehicle.Whenthe
ESCengages,theBindicatorlightflashesinthe
instrumentcluster.
ThefollowingsystemsareintegratedintheESC:
Anti-lockbrakingsystem(ABS)
ABSpreventsthewheelsfromlockingwhenbrak-
ing.Thevehiclecanstillbesteeredevenduring
hardbraking.Applysteadypressuretothebrake
pedal.Donotpumpthepedal.Apulsinginthe
brakepedalindicatesthatthesystemisacting to
stabilizethevehicle.
Brakeassistsystem
Thebrakeassistsystemcandecreasebrakingdis-
tance.Itincreasesbrakingpowerwhenthe driver
pressesthebrakepedalquicklyinemergencysit-
uations.Youmustpressandholdthebrakepedal
untilthedangeroussituationisover.Invehicles
withadaptivecruisecontrol*,thebrakeassist
systemismoresensitiveifthedistancedetected
tothevehicledrivingaheadistoosmall.
Anti-SlipRegulation(ASR)
ASRreducesenginepowerwhenthedrivewheels
beginspinningandadaptstheforcetotheroad
conditions.Thismakesiteasiertostart,acceler-
ateanddriveuphills.
ElectronicDifferentialLock(EDL)
TheEDLappliesthe brakestowheelsthatare
slippingandtransfersthedrivepowertotheoth-
erwheels.Thisfunctionisnotavailableathigher
speeds.
138
Inextremecases,EDLautomaticallyswitchesoff
tokeepthebrakeonthebrakedwheelfromover-
heating.Thevehicleisstillfunctioningcorrectly.
EDLwillswitchonagainautomaticallywhencon-
ditionshavereturnedtonormal.
Powersteering
The ESCcanalsosupportvehiclestability
throughsteering.
Selectivewheeltorquecontrol
Selectivewheeltorquecontrolisusedwhendriv-
ingoncurves.Brakingistargetedtowardthe
wheelsontheinsideofthecurveasneeded.This
allowsmoreprecisedrivingincurves.
Automaticpost-collisionbrakingsystem
The“automaticpost-collisionbrakingsystem”
canhelptoreducetheriskofslidingandofaddi-
tionalcollisionsafteranaccident.Iftheairbag
controlmoduledetectsacollision,thevehicleis
braked bytheESC.
Thevehicledoesnotbrakeautomaticallyifoneof
thefollowingoccurs:
—Thedriverpressestheacceleratorpedal
—TheESC,thebrakesystem,orthevehicleelec-
tricalsystemisnotfunctioning

ZAWARNING
— The ESCanditsintegratedsystemscannot
overcomethelimitsimposedbynatural
physicallaws.Thisisespeciallyimportanton
slipperyorwetroads.Ifthesystemsbegin
actingtostabilizeyourvehicle,youshould
immediatelyalteryourspeedtomatchthe
roadandtrafficconditions.Donotletthein-
creasedsafetyprovidedtemptyouintotak-
ingrisks.Thiscouldincreaseyourriskofa
collision.
—Pleasenotetheriskofacollisionincreases
whendrivingfast,especiallythroughcurves
andonslipperyorwetroads,andwhendriv-
ingtooclosetoobjectsahead.The ESC and
itsintegratedsystemscannotalwayspre-
ventcollisions-thereisstillariskofacci-
dents!

8W0012721BG
IntelligentTechnology


—Presstheacceleratorpedalcarefullywhen
acceleratingonsmooth,slipperysurfaces
suchasiceandsnow.Thedrivewheelscan
spinevenwhenthesecontrolsystemsarein-
stalledandthiscanaffectdrivingstability
andincreasetheriskofacollision.

@)Tips
— TheABSandASRonlyfunctioncorrectly
whenallfourwheelshaveasimilarwear
condition.Differenttiresizescanleadtoa
reductioninenginepower.
—Youmayhearnoiseswhenthesystemsde-
scribedareworking.
Switchingon/off
ESCturnsonautomaticallywhenyoustarttheengine.
2
gz
=& a

Fig.145CenterconsolewithbuttonRor
TheESCisdesignedtofunctioninlevels.Depend-
ingonthelevelthatisselected,thestabilization
functionoftheESCwillbelimitedorswitched
off.Theamountofstabilizationcontrolwilldiffer
dependingonthelevel.
Thefollowingsituationsareexceptionswhereit
maybeuseful toswitchonsportmode(sedan)or
offroadmode(allroad)toallowthewheelsto
spin:
—Rocking thevehicletofreeitwhenitisstuck
—Drivingindeepsnoworonlooseground
—Drivingwithsnowchains
—Appliesto:allroad:drivingonroughterrain
whenmuchofthecar'sweightisliftedoffthe
wheels(axlearticulation)
—Appliesto:allroad:drivingdownhillwhilebrak-
ingonlooseground
Foryoursafety,switchthesportmode/offroad
modeoffinadvance.






ESClevels
Appliesto:sedan
SportmodeonESC/ASRoffSportmodeoffor
ESC/ASRon
BehaviorThe ESC andASRstabiliza-|Thestabilizationfunctionis|Thefullstabilizationfunc-
tionfunctionsarelimitednotavailable>A\.ESCand_|tionoftheESC andASRis
oA.ASRareswitchedoff.availableagain.
OperatingPressthe[2OFF]buttonPressandholdthe|&OFFPressthe[2OFF]button
briefly.buttonlongerthan3sec-again.
onds.
IndicatorBiturnson.BancRdturnon.BaiturnsofforEJand
lightsaaturnoff.
MessagesStabilizationcontrol(ESC):|Stabilizationcontrol(ESC):|Stabilizationcontrol
sport.Warning!Restricted|off.Warning!Restricted(ESC):on
stability stability

139

IntelligentTechnology

Appliesto:allroad










Youshouldonlyswitchsportmode/offroad
modeonorswitchESC/ASRoffifyourdriving
abilitiesandroadconditionspermit.
—Thestabilizationfunctionislimitedwhen
sportmode/offroadmodeisswitchedon.
Thedrivingwheelscouldspinandthevehi-
clecouldswerve,especiallyonslickorslip-
peryroadsurfaces.
—Thereisnovehiclestabilizationwhen
ESC/ASRareswitchedoff.
Hilldescentassist
Appliesto:allroad

Hilldescentassistmakesitpossibletodrive
downahillataconstantspeed.
a
Q
gz
=& a

Fig.146Centerconsole:hilldescentassistbutton

>Toswitchhilldescentassiston,presstheL@
button.TheLEDinthebuttonwillturnon.
>»Pressthebuttonagaintoswitchitoff.The LED
inthe buttonturnsoff.

140
OffroadmodeonESC/ASRoffOffroadmodeoffor
ESC/ASRon
BehaviorThe ESC andASRstabiliza-|Thestabilizationfunctionis|Thefullstabilizationfunc-
tionfunctionsarelimitednotavailable>A\.ESCand__|tionoftheESCandASRis
DSA.ASRareswitchedoff.available again.
Operating|Pressthe|#°*]buttonbriefly.|Pressandholdthe||but-|Pressthe|#°"|buttonagain.
tonlongerthanthreesec-
onds.
IndicatorEgiturnson.ElandSaturnon.Eaiturnsoffor[gjand
lightsEaturnoff.
Messages|Stabilizationcontrol(ESC):|Stabilizationcontrol(ESC):|Stabilizationcontrol(ESC):
offroad.Warning!Reduced|off.Warning!Restrictedon
stability stability
AWARNINGHilldescentassistbrakesallfourwheelsauto-
maticallyinordertolimitspeedwhendrivingei-
therforwardorreverseonhillswithagradefrom
approximately6to60%.Thewheelswillnotlock
upbecausetheABSremainsactivated.Invehi-
cleswithamanualtransmission,thehillholdas-
sistadjuststothespecifiedspeedso thattheen-
gineisnot brakedbelowitsidlespeed.
Whenhilldescentassistison,thespeedyourve-
hiclewastravelingwhenitentered thehillis
maintained.Itisonlypossible toswitchonthe
assistwhendrivingslowerthan37mph(60
km/h).Theassistbeginsshortlyafteryoustart
drivingandcontinuesuptoapproximately
19mph(30km/h).Invehicleswithamanual
transmission,regulationbelowapproximately6
mph(9km/h)isonlypossibleiftheclutchpedal
ispressedorifthegearshiftisintheneutralposi-
tion.Iftheclutchpedalisreleasedwhenagearis
engagedbelowapproximately6mph(9km/h),
the regulatedspeedwillincrease.Thedrivercan
increaseordecreasethevehiclespeedwithin
theselimitsbypressingtheacceleratororbrake
pedal.
However,theremustbeenoughtraction.Hillde-
scentassistcannotfunctionasexpected,iffor
examplethehillisicyorifthesurfaceisloose
SA.
Activeregulationofaspeeduptoapproximately
19mph(30km/h)issignaledintheinstrument
clusterby anindicatorlightZBTheindicator
lightturnsoninthereadymode.

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.