2019 AUDI A4 suspension

8W0012721BG

Quickaccess

ElectronicStabilizationControl
(ESC)
=>page139
Brakesystem
=>page21
Anti-lockbrakingsystem(ABS)Y
=>page24
Anti-lockbrakingsystem(ABS)¥
=>page24
Safetysystems¥
=>page23
Brakepads
=>page21
Electromechanicalparkingbrake
=>page22
Tirepressure
=>page340
Tirepressure
=>page340
Drivesystem
=>page24
MalfunctionIndicatorLamp(MIL)
v
=>page308
Enginespeedlimitation
=>page24
Engineoillevel(MIN)
=>page312
Engineoillevel(MAX)
=>page312
Engineoilsensor
=>page312
Enginewarm-uprequest
=>page313
Electricalsystem
=>page317
Tanksystem
=>page24
Washerfluidlevel
=>page25
Windshieldwipers
=>page25

Keys
=>page 78
Driver'sdoor
=>page25
Batteryinvehiclekey
=>page30
Bulbfailureindicator
=>page25
Headlightrangecontrolsystem
=>page25
Adaptivelight
=>page25
Light/rainsensor
=>page25
Activelaneassist
>page118
Audisideassist
>page126
Audipresense
=>page117
Parkingaid
=>page137
Transmission(automatictransmis-
sion)
=>page90,
Clutch(manualtransmission)
>page 23
Steeringlock
=>page 23
Enginestartsystem
=>page23
Electromechanicalsteering
=>page142
Suspensioncontrol
=>page26
Allwheeldrive/sportdifferential
=>page26
Emergencycallfunction
=>page197

Otherindicatorlights
Turnsignals
>page26>
11

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.

Driving

Driving
Generalinformation
Anewvehiclemustbebrokeninwithinthefirst
1,000miles(1,500km)sothatallmovingparts
worksmoothlytogether,whichhelpsto increase
theservicelifeoftheengine.
Donotdrivehigherthantwo-thirds ofthemaxi-
mumpermittedengineRPMduringthefirst600
miles(1,000km)and donotusefullaccelera-
tion.TheenginecanbeincreasedRPMgradually
duringthenext300miles(500km).
Reducingthe riskofvehicledamage
Thegroundclearanceistoolowonsomemodels
todriveonroughterrain.Therefore, avoidoff-
roadtrips.
@)Note
Whendrivingonpoorroads,overcurbs,and
onsteepramps,makesurethatcomponents
thathang belowthevehicle,suchasthespoil-
erandexhaustsystem,arenotstruckbecause
theycouldbedamaged.Thisespeciallyap-
pliestovehicleswithlowgroundclearance
andvehiclesthatareheavilyloaded.
Drivingthroughwateronroads
Notethefollowingtoreducetheriskofvehicle
damagewhendrivingthroughwater,forexample
onfloodedroads:
—Thewatermustnotbeanyhigherthanthebot-
tomofthevehiclebody.
—Donotdrivefasterthanwalkingspeed.

ZA\WARNING
Afterdrivingthroughwaterormud,theeffec-
tivenessofthebrakesmaybereduceddueto
moistureonthebrakerotorsandbrakepads.
Afewcarefulbrakeapplicationsshoulddryoff


thebrakesandrestorethefullbrakingeffect.

76
@)Note
—Vehiclecomponentssuchastheengine,
transmission,suspension,orelectricalsys-
tem,canbeseverelydamagedbydriving
throughwater.
—AlwaysswitchtheStart/Stopsystem”off
whendrivingthroughwater>page80.
G)Tips
—Determinethedepthbeforedrivingthrough
water.
—Donotstopthevehicle,driveinreverse,or
switchtheengineoffwhendrivingthrough
water.
— Keepinmindthatoncomingvehiclesmay
createwavesthatraisethewaterleveland
makeittoodeepforyourvehicletodrive
throughsafely.
—Avoiddrivingthroughsaltwater,because
thiscancausecorrosion.
aireaMNeLNacelaera(olery
driving

Theamountoffuelconsumption,theenviron-
mentalimpact,andtheweartotheengine,
brakes,andtiresdependsmostlyonyourdriving
style.Notethefollowinginformationforefficient
andenvironmentally-consciousdriving:
— Donotlettheenginerunwhilethevehicle
parked.
—UsetheStart/Stopsystem>page80.
—Turnoffelectricalequipmentthatisnotneed-
ed, forexampleseatheating*.
—Anticipateupcomingtrafficsituationswhile
drivingtoavoidunnecessaryaccelerationand
braking.
—Utilizetheenginebrakingeffect.
—Avoiddrivingshortdistancesorathighspeeds
whenpossible.
—Avoidaddingextraweighttothevehicleifpos-
sible,forexamplebynotleavingroofracksor
bike
racksinstalledwhentheyarenotneeded.
—Havemaintenanceperformedregularlyonthe
vehicle.
—Donotdrivewithwintertiresduringthesumm-
er,

8W0012721BG
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

Assistsystems

AdjustingtheIndividualmode
Appliesto:vehicleswithAudidriveselect
You canadjustthevehiclesettingstoyourpersonalpreferences.
>SelectintheInfotainmentsystem:

MENU but-Theequipmentinyourvehiclewilldetermine
ton>Vehicle>Audidriveselect>Individual>whichsettingsyoucanadjust.Thefollowingta-
rightcontrolbutton.blegivesanoverviewofthecharacteristics.
Afteryouhaveclosedthesettings,youwillauto-
maticallydriveintheIndividualmode.


Engine/transmissionbalanced balancedsporty
Steeringcomfortablebalancedsporty
Dynamicsteering*comfortable/indirect|balanced/directsporty/direct
Suspensioncontrol*comfortablebalancedsporty
Sportdifferential*Offbalancedsporty
Enginesound*subtlesubtle/sporty®sporty
ACC*comfortablebalancedsporty

2)Subtleintheselectorleverposition"D"andsportyin"S".
Yoursettings areautomaticallysavedinIndi-
vidualmode.
128

8W0012721BG
Airbagsystem


thevehiclebatterywithapyrotechniccircuit
interrupter.
—Workonthepyrotechniccircuitinterrupter
mustonlybeperformedbyaqualified
technicianswhohavetheexperience,in-
formationandspecialtoolsnecessaryto
performtheworksafely.
—Ifthevehicleorthecircuitinterrupteris
scrapped,allapplicablesafetyprecautions
mustbefollowed.
OtherthingsthatcanaffectAdvanced
Airbagperformance
Changingthevehicle'ssuspensionsystemcan
changethewaythattheAdvancedAirbagSystem
performsinacrash.Forexample,usingtire-rim
combinationsnotapprovedbyAudi,loweringthe
vehicle,changingthestiffnessofthesuspension,
includingthesprings,suspensionstruts,shock
absorbersetc.canchangetheforcesthatare
measuredbytheairbagsensorsandsenttothe
electroniccontrolunit.Somesuspensionchanges
can,forexample,increasetheforcelevelsmeas-
uredbythesensorsandmaketheairbagsystem
deployincrashesinwhichitwouldnotdeployif
thechangeshadnotbeenmade.Otherkindsof
changesmayreducetheforcelevelsmeasuredby
thesensorsandpreventtheairbagfromdeploy-
ingwhenitshould.

ZA\WARNING
Changingthevehicle'ssuspensionincluding
useof unapprovedtire-rimcombinationscan
changeAdvancedAirbagperformanceandin-
creasetheriskofseriouspersonalinjuryina
crash.
—Neverinstallsuspensioncomponentsthat
donothavethesameperformancecharac-
teristicsasthecomponentsoriginallyinstal-
ledonyourvehicle.
—Neverusetire-rimcombinationsthathave

notbeenapprovedbyAudi.

Kneeairbags
preaal)aCeaitLs-eh)
Thekneeairbagsystemcanprovidesupplemen-
talprotectiontoproperlyrestrained frontseat
occupants.
= g
=
8

Fig.231Driver'skneeairbag
Thedriverkneeairbagisintheinstrumentpanel
underneaththesteeringwheel>fig.231,the
airbagforthepassengerisataboutthesame
heightintheinstrumentpanelunderneaththe
glovecompartment.
Thekneeairbagoffersadditionalprotectionto
thedriver'sandpassenger'skneesandupperand
lowerthigh areasandsupplementstheprotec-
tionprovidedbythesafetybelts.
Ifthefrontairbagsdeploy,thekneeairbagsalso
deployinfrontalcollisionswhenthedeployment
thresholdstoredinthecontrolunitismet
=page271,Moreimportantthingstoknow
aboutfrontairbags.
Inadditiontotheirnormalsafetyfunction,safe-
tybeltshelpkeepthedriverorfrontpassengerin
positioninafrontalcollisionso thattheairbags
canprovidesupplementalprotection.
Theairbagsystemisnotasubstituteforyour
safetybelt.Rather,itispartoftheoveralloccu-
pantrestraintsysteminyourvehicle.Alwaysre-
memberthattheairbagsystemcanonlyhelpto
protectyouifyouarewearingyoursafetybelt
andwearingitproperly.Thisiswhyyoushouldal-
wayswearyoursafetybelt,notjustbecausethe
lawrequiresyoutodoso>page253,Generalin-
formation.
277
>

Fusesandbulbs


Fuseassignment-Leftsideoftheluggage
compartm
Fusepanel(©)(red)
10|Dynamicsteering


11|Enginestart
Fuseassignment-Driver'ssideofthe
(fold4o)ig

B4M-0148


Fig.280Driversidecockpit:fusepanelwithplasticbracket
























Fusepanel
No.|Equipment
1|Vehicleopening/start(NFC)-
2
|
TelephonePaineoftheluggagecompartment:fusepanel
4|Head-updisplay
5|Audimusicinterface,USBchargingportFusepanel(@)(black)
6|FrontclimatecontrolsystemcontrolsNo.|Equipment
7
|
Steeringcolumnlock2|Windshielddefroster
8
|
Infotainmentsystemdisplay 3|Windshielddefroster
9|InstrumentclusterS
|
Suspensioncontrol
10
|
Infotainmentunit6|Automatictransmission
11
|
Lightswitch,switchpanel7
|
Rearwindowdefogger
12
|
Steeringcolumnelectronics8
|
Rearseatheating
14
|
Infotainmentsystem9
|
Lefttaillights
16
|
Steeringwheelheating10
|
Leftsafetybelttensioner

360
11|Centrallockingsystem

12|Luggagecompartmentlid

Fusepanel(8)(red)

No.|Equipment

Notassigned

Fusepanel©(brown)

No.|Equipment

2|Telephone


Lumbarsupport

8W0012721BG

Shortcut:Keys«esccnseovaevaceevmaea 2ow145,152
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alsorefertoShuffle................-.232
Sideairbags.............00.eee eeeeee279
Howtheywork.......0.ceceeeeeee281
Sideassist
Cleaningthesensors..............0---343
alsorefertoAudisideassist............121.
Sidecurtainairbagsiers¢ «swowssvseoomeson282
Description..........2...ceeeeeeee282
Howtheywork...........000-20eee eee283
Safetyinstructions...+cum» xyeass xecoe284
SIMCAOseess «ees3 xoes3 eeeeEEEER=186
SiriusXMalertnotifications..............217
Sliding/tiltingsunroof...............000842
Convenienceopeningandclosing.........41
Emergencyclosing............-..00-00542
Sunshade...............0ccece42
SnowchainS.......00.eee338
Socket
refertoPowersources..........--.000--62
Softwareupdate
refertoSystemupdate(MMI)..........244
Software(MMI)
Licensingagreements............00005246
Update........eeeeeeeeeee244
NGTSIOlis xawes:sewsa 2BoEGEeee& YBee244
Sourcesofinformationaboutchildrestraints
andtheirs’:« 4gems+aaav sgum@ xooa304
Space-savingsparetire(compactsparetire).355
SParetiies«sass¢ =RAGESTeBOHRTEBae2355
Speeddependentvolumecontrol.........244
Speedlimitinformation
refertoTrafficsignrecognition..........97
Speedlimits
refertoTrafficsignrecognition..........97
Speedometer«evsseseessteeneveReee13
Speedwarningsystem..............--00.95
Speller.....0...2eee eeeeeeee152
Sportdifferential..................126,143
IndicatorWhtsee.» see22saws5 2emies26
SPOFCVIEWox= «maceseRemteeeeEeeee17
Stabilizationprogram
PeertoESCseasa &esas3 &sewss ¢cave138,139
Start/Stop'systemiss« 2www=oween¥ravenoo80
MessageS...0.6...ceceeeeeee eee81
Switchingoffandon.............000ee81
STARTENGINESTOPbutton..............78
Startingtodrive...2...eeeeeeeee83
Starting(engine)...............0000578,80
Steering
Electromechanicalsteering............142
LOCKINGievc2 2enews2 2wee2eeevveeeoo78
alsorefertoElectromechanicalsteering..142
Steeringwheel
Adjusting...0.0.20...eeeeeeeee eeeee77
Shitt\paddles=sawss Steeringwheel heating.................74
alsorefertoMultifunction
steeringwheel...............--15, 17,18
Stepsfordeterminingcorrectloadlimit...336
Stopover(navigation)................0.202
Stopping(engine)..........ceceeeeeeeee80
Storagecompartments................0.63
Streaming
refertoOnlinemedia.................225
Stronic(automatictransmission)..........85
Subtitles(DVD).......0...ceceeeeeee232
Subwoofer...0.0...00eeeeeeeeeeee 244
Sunshade
Rearwindow/reardoors.............0453
SUN
VISOFS.1...eeeeeeeee53
SuSPeNsionCOMUHOlsn«6icesa6maea6omen126
SWapCallwise2owisioosi @wwnnswo+ween© +eesere177
Switchingtabs
refertoMultifunction
steeringwheel.............0-0515,17,18
Switchingtheignitionon/off..............78
Symbols...0.00...eee eeeeeeee155
Navigation............0cceceeeeeee207
Tratticsicin© 2sem=vreiesnesseoroe2>212
alsorefertoIndicatorlights.............10
SYNC(button)2.0...eeeeeeeee73
Systemsettings(MMI).................240
Systemupdate(MMI)...«evs.<2eeveeos244
SystemVOlUMEsacssseeveeeeeeseeees245
T
Tachometercis« xesauxwaens¢neem3 ¢ee13,14
385