2019 AUDI A4 brakes

Driving

Startingonhillswithhillholdassist
Hillholdassistmakesiteasiertostartonhills.
Requirement:
thedriver'sdoormustbeclosed
andtheenginemustberunning.
>Toactivatehillholdassist,pressandholdthe
brakepedalforseveralseconds.Thevehicle
mustbefacinguphill.
Afterreleasingthebrakepedal,thebrakingpow-
erismaintainedbriefly>A\topreventthevehi-
clefromrollingbackwhenstarting.Thisallows
youtobegindrivingmoreeasily.

ZAWARNING
—Ifyoudonotbegindrivingimmediatelyor
theenginestallsafterreleasingthebrake
pedal,yourvehiclemaybegintorollback-
ward.Pressthebrakepedalorsetthepark-
ingbrakeimmediately.
—Theintelligenttechnologyofhillholdassist
cannotovercomethelimitationsimposedby
naturalphysicallaws.Theincreasedcomfort
offeredbyhillholdassistshould notcause
youtotakesafetyrisks.
—Hillholdassistcannotholdthevehiclein
placeonallhills(forexample,iftheground
isslipperyoricy).
—Toreducetheriskofanaccident,always
makesurethevehicleissituatedsafely

whilestationary.

Drivingoffroad
Generalinformation
Appliesto:allroad
TheElectronicStabilizationControl(ESC)func-
tionsareenhancedfordrivingoffroad.Offroad
modecanbeactivated whendrivinginsituations
where
slippageoradifferentiallockfunctionis
necessary>page139.Thehilldescentassistis
alsoavailable,whichautomaticallybrakestheve-
hicletomaintainaconstantspeed>page140.
Inaddition,yourAudiprovidescontinuousall
wheeldrive.
However,yourAudiisnotanoffroadvehicle.
Onlydriveinterrainthatissuitableforthevehi-
84
cleandyourdrivingability.Nevertakeanyun-
necessaryrisks!
Afterdrivingoffroad
—Afterdrivingoffroad,removebranchesandoth-
erdebrisfromtheradiatorgrille,underbody,
andwheels.Lookespeciallyforforeignobjects
(such asstones)thatmaybestuckinthetire
tread.
—Cleanthevehiclebody andunderbodyandin-
spectthevehicleforpossibledamage.
—Cleanthewindows,headlights,taillightsand
thelicenseplateiftheyaredirty.
—Performabraketest(especiallyafterdriving
throughwater).

Z\WARNING
—Beespeciallyaware andattentivewhendriv-
ingunderdifficultconditions.Vehicledam-
ageandinjuriesmayoccurwhendrivingat
excessivelyhighspeedsorwithincorrect
drivingmaneuvers.
—Alwaysadjustyourspeedanddrivingstyle
totheroads,terrain,trafficand weather
conditions.Driveespeciallyslowlyifthereis
lowvisibilitywhenoffroad.
—Pleasenotethatthewheelscanspinmore
andthevehiclecanswervewheninoffroad
mode,especiallywhentheroadisslippery
orhasloosesurfacematerial.
—Drivingstabilityisreducedwheninoffroad
mode.

@)Forthesakeoftheenvironment
Avoidharmingtheenvironmentandshow
considerationfornature.
G)Tips
Onlydrivewhereitispermittedandalways
stayontheprovidedroadsandpaths.

Driving

muchstressfrombeingplacedonthelocking
mechanism.

Z\WARNING
—Thevehiclecanrollevenwhentheengineis
switchedoff.
—Unintendedvehiclemovementcanlead to
seriousinjuries.
—Toreducetheriskofanaccident,donot
presstheacceleratorpedalwhenchanging
theselectorleverpositionwhilethevehicle
isstationaryandtheengineisrunning.
—Toreducetheriskofanaccident,neverse-
lectthe"R"or"P"positionswhiledriving.
—Donotinadvertentlypresstheaccelerator
pedalwhenthevehicleisstationary.Press-
ingthepedalincreasesriskofaccidentbe-
causethevehiclewillmove,evenifparking

brakeisset.
Hilldescentcontrol
Appliesto:vehicleswithautomatictransmission

Thehilldescentcontrolsystemassiststhedriver
whendrivingdownhills.
Hilldescentcontrolactivateswhenthetransmis-
sionisinthe"D"or"S"positionand youpressthe
brakepedal.Thetransmissionautomaticallyse-
lects
agearthatissuitableforthehill.Hillde-
scentcontroltriestomaintainthespeedthat
wasselectedatthetimeof braking,withinphysi-
calandtechnicallimitations.Ifmaystill benec-
essarytoadjustthespeedwiththebrakepedal.
Hilldescentcontrolswitchesoffoncethehilllev-
elsoutorifyoupresstheacceleratorpedal.
Whenoperatingthecruisecontrolsystem*
=>page95,hilldescentcontrolisalsoactivated
when
thespeedisset.

Z\WARNING
Hilldescentcontrolmaynotbeabletomain-
tainaconstantspeedunderallconditions.Al-
waysbereadytoapplythebrakes.

838
Shiftingmanually(tiptronicmode)
Appliesto:vehicleswithautomatictransmission

Thetiptronicmodeallowsthedrivertoshiftthe
gearsmanually.

B8w-0249


Fig.91Centerconsole:shiftingmanuallywiththeselector
lever


B4M-0063

Fig.92Steeringwheel:shiftpaddles*
Shiftingwiththeselectorlever
Youcanshiftintotiptronicmodewhilethevehi-
cleisstationaryorwhiledriving.
>Toshiftintotiptronicmode,pushtheselector
leverfromthe"D/S"positiontotheright.As
soonasthetransmission switchesover,the"M"
transmissionsettingwillappearintheinstru-
mentclusterdisplay.
>Toshiftupagear,tap theselectorleverfor-
ward@)>fig.91.
>Toshiftdownagear,taptheselectorlever
backward(©).
>Toswitchtiptronicmodeoff,pushtheselector
leverbackintothe"D/S"position.
Shiftingwiththeshiftpaddles
Appliesto:vehicleswithshiftpaddles
Youcanoperatetheshiftpaddlesinthe"D/S"or
"M"selectorleverpositions.

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Trailertowing

Trailertowing
Drivingwithatrailer
Generalinformation
Yourvehicleisprimarilyintendedfortransport-
ingpeopleandluggage.However,ifyoudrive
withatrailer,followthetechnicalrequirements,
the operationanddrivingtips,andthelegalreg-
ulations.
Drivingwithatraileraffectsthevehicle'sfuel
consumption,performanceandwear.Italsore-
quireshigherconcentrationfromthedriver.

Z\WARNING
Donottransportanypeopleinatrailerdueto
theriskoffatalinjury.
Technicalrequirements
Certainrequirementsmustbemetwhentowing
atrailer.

Trailerhitch
Only useatrailerhitchwitharemovableball
hitchmountandballhitch.Thetrailerhitchmust
bepermittedforthevehicle,thetrailerandthe
permittedtotalweightofthetrailerbeing
pulled.Aboveall,itmustbesecurelyandsafely
attachedtothevehicletrailer.
Nevermountatrailerhitchonthebumper.The
trailerhitchmustbemountedinawaythatdoes
not impair thefunctionofthebumper.Donot
makeanychangestotheexhaustsystemandthe
brakesystem.
Checkregularlyifthetrailerhitchissecurely
mounted.Alwaysfollowtheinstructionsgivenby
thetrailerhitchmanufacturer.
Trailerbrakes
Ifthetrailerhasitsownbrakesystem,thenfol-
lowthemanufacturerspecifications.However,
thebrakesystemonthetrailermustneverbe
connectedtothevehiclebrakesystem.
Enginecoolingsystem
Drivingwithatrailermeansahigherloadonthe
engineandthecoolingsystem.Thecoolingsys-
temmustbedesignedforadditionalloadand
containenoughcoolant>@.
()Note
Longerinclinescannotbedrivenwithouta
suitablecoolingsystem,especiallyiftheout-
sidetemperaturesarehigh.Otherwise,this
increasestheriskofenginedamage.
Operatinginstructions
Severalthingsmustbenotedwhentowinga
trailer.
Towingcapacity
Yourvehiclecanonlybeoperatedwithclass1or
class2trailers.
Loaddistribution
Poorcargoloadanddistributioncannegatively
impactvehiclehandling.Loadthetrailerbased
onthefollowingcriteriaasmuchaspossible:
—Storeobjectsinthevehicleluggagecompart-
ment,ifpossible.Thevehicleshouldalways
carrytheheaviest possibleloadandthetrailer
shouldhavethelightestpossibleload.
—Distributetheloadinthetrailerso thatthe
heavyobjectsareasclosetotheaxleaspossi-
ble.
—Secureobjectsso thattheydonotslide.
—Utilizethemaximumpermittedtongueweight
ifpossible.
Tires
Setthetirepressureonyourvehiclefora“full
load”;seethetirepressuresticker>page332.If
necessary,alsoadjustthetirepressureonthe
traileraccordingtothemanufacturer'sspecifica-
tions.
Thetrailerandthevehicleshould beequipped
withwintertireswhendrivinginwintertempera-
tures.
93
>

Trailertowing

Outsidemirrors
Ifyoucannotseethetrafficbehindthetrailer
withthestandardexterior mirrors,thenyou
mustattachadditionalexterior mirrors.Adjust
themsoyouhaveasufficientvisibilitybehind
you.
Exterior lighting
Followthelegalregulationsregardingthelight-
ingequipmentonyourtrailer.Contactanauthor-
izedAudidealerorauthorizedAudiServiceFacili-
tyformoreinformation.
Beforeyoustartdriving,checkalllightingequip-
mentonthetrailerwhileitishitchedtothevehi-
cle.
Theheadlightrangecontrolautomaticallyad-
juststhelightrangeoftheheadlights.
Safetychains
Makesurethesafetychainsarecorrectlyapplied
whenpullingatrailer.Thechainsshouldhang
enoughsothatthetrailercandrivearound
curves.However,theymustnottouchthe
ground.
©)Note
Attachmentsretrofittedonthevehiclemay
causedamage,especiallyonthetrailerhitch
ballhead.Incasesofdamage,havethefunc-
tioncheckedby anauthorizedAudidealeror
authorizedAudiServiceFacility.
G)Tips
—Blockthewheelswithchockswhenparking
oninclinesifthetrailerisloaded.
—Havingthevehicleinspectedbetweenthe
inspectionintervalsisrecommendedifyou
towatrailerfrequently.
—Avoiddrivingwithatrailerduringthevehi-
clebreak-inperiod.
94
Drivingwithatrailer
Drivingwithatrailerrequiresextracaution.
Speed
Adheretothelegalspeedlimits.Followthelegal
regulationsspecifictothecountry.
Asthespeedincreases,thedrivingstabilityof
thetrailerdecreases.Thereforeyoushould not
exceedthemaximumlegalspeedlimitwhen
thereareunfavorableroad,weather,and/orwind
conditions.Thisespeciallyapplieswhendriving
downhill.
Hill
Whenyoustartdrivinguphillordownhill,trailers
maytiltorswaysoonerthanwhendrivingona
levelsurface.Ifsmallswayingmovementshave
alreadyoccurred,youcanstabilizethetrailerby
firmlybrakingimmediately.Nevertryto
“straightenout”thetrailerbyaccelerating.
Downshiftbeforedrivingonhillstoutilizetheen-
ginebrakingeffect>A\.
Brakes
Whenusingatrailerwithoverrunbrakes,first
brake
gentlythenquickly.Thisreducestheriskof
jerkingwhilebrakingifthetrailerwheelslockup.
Enginecoolanttemperature
Payattentionspecificallytothecoolanttempera-
turedisplaywhentherearehighoutsidetemper-
atures,andwhendrivingonlonginclines
=page14.Shifttoahighergearinatimelyman-
ner.

ZA\WARNING
Constantbrakingcausesthebrakestoover-
heatandcansubstantiallyreducebrakingper-
formance,increasebrakingdistance,orcause
completefailureofthebrakesystem.

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Assistsystems

Assistsystems
Speedwarningsystem
Appliesto:vehicleswithspeedwarningsystem
Thespeedwarningsystemhelpsyoutostaybe-
low aspecifiedmaximumspeedthatcanbeset,
changedordeletedintheInfotainmentsystem.
Thespeedwarningsystemwarnsyouifyouare
exceeding themaximumspeedthatyouhaveset.
Awarningtonewillsoundassoonasyourspeed
exceedsthestoredvalueslightly.Theeein-
dicatorlightandamessageappearintheinstru-
mentclusterdisplayatthesametime.Theol
indicatorlightandthemessageturnoffifthe
speedfallsbackbelowthestoredmaximum
speed.
Settingathresholdisrecommendedifyouwould
liketoberemindedwhenyoureachacertain
maximumspeed.Situationswhereyoumaywant
todosoincludedrivinginacountrywithagener-
alspeedlimitorifthereisaspecifiedmaximum
speedforwintertires.
Settingthewarningthreshold

SelectintheInfotainmentsystem:[MENU]but-
ton>Vehicle>leftcontrolbutton>Driverassis-
tance>Speedwarning>Manual.
G)Tips
Regardlessofthespeedwarningsystem,you
shouldalwaysmonitoryourspeedusingthe
speedometerandmakesureyouarefollowing
thelegalspeedlimit.

Cruisecontrolsystem
Appliesto:vehicleswithcruisecontrolsystem
Thecruisecontrolsystemassiststhedriverin
maintainingaconstantspeedaboveapproxi-
mately 15mph(20km/h).Thesystemmaintains
thedesiredspeedbybrakingandaccelerating.

ZAWARNING
—Alwayspayattentiontothetrafficaround
yourvehiclewhenthecruisecontrolsystem
isinoperation.Asthedriver,youarealways
responsibleforcontrollingyourvehicle
speedandthedistancebetweenyourvehicle
andothervehicles.
—Forsafetyreasons,cruisecontrolshould not
beusedinthecity,instop-and-gotraffic,on
windingroads,andwhenroadconditionsare
poor(suchasice,fog,gravel,heavyrain,
andconditionsthatcouldlead tohydroplan-
ing),becausethisincreasestheriskofanac-
cident.
—Switchthecruisecontrolofftemporarily
whendrivinginturninglanes,highwayexits,
orinconstructionzones.
—Toreducetheriskofanaccident,youshould
onlyresumethestoredspeedifitissuitable
forthecurrenttrafficconditions.
()Note
Beforedrivingdownhillalongdistanceona
steephill,decreaseyourspeedandselecta
lowergear.Thismakesuseoftheenginebrak-
ingeffectandreducestheloadplacedonthe
brakes.
@)Tips
Thebrakelightsturnonwhenthebrakesare
appliedautomatically.
Switchingthesystemon
Appliesto:vehicleswithcruisecontrolsystem


BFV-0220



Fig.95Lever:switchingonthecruisecontrolsystem
Requirement:switchtheignitionon.
95

Assistsystems

>Toswitchthesystemon,pullthelevertoward
youtoposition().
TheGgor88]indicatorlightandthecorre-
spondingmessagewillappearintheinstrument
cluster.
ZXWARNING
Ifthebrakesaremalfunctioning(forexample,
overheating)whilethecruisecontrolsystem
isswitchedon,itmayshutoffautomatically.
Preselectingoractivatingacruisecontrol
Cytst-t)
Appliesto:vehicleswithcruisecontrolsystem


Whenthevehicleisstationary,youcanpreselect
thecruisecontrolspeedoractivatethespeed
whiledriving.
Requirement:thesystemmustbe switchedon.
>Topreselectacruisecontrolspeedwhentheve-
hicleisstationary,tapthelevertoward@)/G)
=>page95,fig.95.
>Toactivatethecruisecontrolspeed,pullthe
levertowardposition@whiledriving,or
>
Tosetthecurrentdrivingspeedasthecruise
controlspeed,pressthebutton(@)onthelever.
Theactivecruisecontrolspeedisindicatedwith
theCRUISE]orklindicatorlightintheinstrument
cluster.
Anadditionalindicatorappearsinthehead-up
display”.
Changingthecruisecontrolspeed
Appliesto:vehicleswithcruisecontrolsystem
>Toincrease ordecreasethecruisecontrolspeed
insmallincrements,tap theleveruptothe
firstleveltoward@/@)>page95,fig.95.
>Toincrease ordecreasethecruisecontrolspeed
inlargerincrements,taptheleveruptothe
secondleveltoward@)/G).
>Toincrease ordecreasethecruisecontrolspeed
continuously,tapandholdtheleveratthefirst
orsecondleveltoward(#)/C).
96
Overridingordeactivatingthecruise
controlspeed
Appliesto:vehicleswithcruisecontrolsystem
Youcanoverride ordeactivatethecruisecontrol
system.Whenyoudeactivatethesystem,your
cruisecontrolspeedwillbestoredand youcan
resumethatspeed.
Requirement:thesystemmustbe switchedon
andactivated.
Overriding
>Totemporarilyoverridethecruisecontrol
speed,presstheacceleratorpedal.
>Onceyoureleasetheacceleratorpedal,thesys-
temwilladjustbacktothestoredcruisecontrol
speed.
Ifyouoverridethecruisecontrolsystemfora
longperiodoftime,thecruisecontrolsystem
willbedeactivated.Thesystemindicatorlight
willturnoffandthecruisecontrolspeedwillbe
stored.
Deactivating
>Todeactivatethecruisecontrolspeed,press
thelevertoward(2)(notlockedintoplace)
=>page95,fig.95.
>Pressthebrakepedal.

Z\WARNING
Restingyourfootontheacceleratorpedal
couldoverridethecruisecontrol.Thiswillpre-
ventbrakinginterventionsby the system.
Seema
Appliesto:vehicleswithcruisecontrolsystem

Whenyouswitchthesystemoffcompletely,the
cruisecontrolspeedwillbedeleted.
Requirement:thesystemmustbe switchedon.
>Toswitchthesystemoff,pressthelevertoward
@(lockedintoplace)>page95,fig.95,or
>Switchtheignitionoff.

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Assistsystems

Appliesto:vehicleswithcruisecontrolsystem
ICRUISE|/3)Speedcontrolsystem:currentlyun-
available.Seeowner'smanual
Iftheindicatorlightturnsonandthismessage
appears,thecruisecontrolsystemhasbeendeac-
tivated.Thereisatemporarymalfunction,forex-
amplethebrakesareoverheating.Switchthe
cruisecontrolsystemonagainlater.
Camera-basedtraffic
signrecognition
Appliesto:vehicleswith camera-basedtrafficsignrecognition

Fig.96Instrumentcluster:trafficsignrecognition

B4M-0090


Fig.97Windshield:camerawindowfortrafficsignrecog-
nition
Trafficsignrecognitionassistsyouwhendriving
bydisplayingdetectedspeedlimitsorsignspro-
hibitingpassingintheinstrumentclusterdisplay
>fig.96.Withinthelimitsofthesystem,thele-
galspeedlimitsinschoolzonesaredetectedand
displayed.
Generalinformation
Trafficsignrecognitioncandetectstandard
speedlimitsignsthatarewithinthecamera'svis-
ualfield.Withassistancefromnavigationdata,
detectedspeedlimitsareevaluatedandshownin
thedisplay.Thetrafficsignforthecurrentde-
tectedspeedlimitwillblinkinthedisplayifyou
exceedthewarningthresholdsetintheInfotain-
mentsystem>page98.
Thetrafficsignrecognitionissubjecttocertain
systemlimitationsandmaybeunavailableoron-
lypartiallyavailableinthefollowingsituations:
—Whenvisibilityispoor,suchasinsnow,rain,
fogorheavyspray
—Whenthereisglare,forexamplefromoncom-
ingtrafficorthesun
—Athighspeeds
—Ifthecamera'svisualfield>fig.97iscovered,
forexamplebydirtorstickers.Forinformation
oncleaning,see>page342.
—Ifthetrafficsigns arecompletelyorpartially
covered,forexamplebytrees,snow,dirtor
othervehicles
—ifspeedtrafficsignsdonotconformtothe
standards
—Iftrafficsigns aredamagedorbent
—Iftrafficsigns aredisplayedonsignholders
withelectronicsigns
—ifthetrafficsignsortheconfigurationofthe
roadhavechanged(navigationdataisnolonger
up-to-date)

ZAWARNING
Payattentiontotrafficandtheareaaround
yourvehiclewhentrafficsignrecognitionis
turnedon.Thetrafficsignsinstalledonthe
roadalwaystakeprecedenceoverthedisplay.
Thedriverisalwaysresponsibleforassessing
thetrafficsituation.
— Undersomecircumstances,trafficsignrec-
ognitionmaynotdetecttrafficsignscorrect-
lyordetectthematall.Asaresult,thesys-
temmaynotdisplaythecorrectspeedlimit
oranyspeedlimit.
—Trafficsignrecognitiondoesnotadaptyour
vehicle'sspeedtomatchthespeedlimit!
—Thedisplayintheinstrumentclusteris
basedontheunitsofmeasurementusedfor
speedinthe countrywherethevehicleisbe-
ingoperated.Asaresult,thedisplay50in

97

8W0012721BG
Assistsystems

Predictivecontrol(efficiencyassist)
Appliesto:vehicleswithAudiadaptivecruisecontrolandpre-
dictiveefficiencyassist


Fig.99Instrumentcluster:predictivecontrol
Description
Thepredictivecontrol)usesthemapinforma-
tionfromthenavigationsysteminordertoreact
proactivelywhendriving.Informationfromthe
camera-basedtrafficsignrecognition*isalsoap-
pliedtorecognizetrafficsigns>page97.When
cominguptoareaswithspeedlimitsorchanges
inthe courseoftheroad(suchascurves,inter-
sectionsortrafficcircles),thesystembrakesau-
tomaticallyandthenacceleratesbackuptothe
setspeed.
Overridingcontrol
Thedrivercanoverridethepredictivecontrolat
anytimebypressingtheacceleratororbrake
pedal.Ifthesystemchangesthevehiclespeedto
adapttospeedlimits,youcanchangethespeed
usingthelever>page106,fig. 106.
Alwaysswitchoffthepredictivecontrolin
thefollowingsituations:
—Whenincreasedattentionisneededfromthe
driver
—Inpoorweatherconditionssuchassnowor
heavyrain
—Whendrivingonroadsinpoorcondition
Indicatorintheinstrumentclusterdisplay
Whenswitchingontheadaptivecruisecontrol
forthefirsttime,amessagewillappearinthe
statuslinetoindicateifpredictivecontrolis
available.

D_Thisisnotavailableinsomecountries.
TheBEsymbolappearswhenthesystem
isregulatingthespeedtomatchaspeedlimit.If
thisisthecase,thesystemisregulatingaspeed
of50mph(80 km/h).Thespeedisthentaken
overbytheadaptivecruisecontrol.Thespeedin
thespeedometerLEDringadjuststothespeedto
bemaintained>page105,fig.105.ThefaaEN
=>fig.99symbolappearswhenthereisanadap-
tationtotherouteahead.
IfyouareintheDriverassistancedisplayinthe
instrumentcluster,thenthefollowingsymbols
willindicatewhichoccurrencethesystemiscur-
rentlyrespondingto:


SymbolMeaning
MPHSpeedlimit
km/hSpeedlimit

iCurve

Intersection
JilTE
©Trafficcircle
NW

Z\WARNING
—Readthewarningson>AinGeneralinfor-
mationonpage103andon>AinDescrip-
tiononpage97.
—Payattentiontotrafficandtheareaaround
yourvehiclewhenpredictivecontrolis
switchedon.Thedriverisalwaysresponsible
forassessingthetrafficsituation.
—Thesystemdoesnotconsider"rightofway"
rulesanddoesnotrespondtotrafficlights,
solackofdriverattentioninthesesituations
canincreasetheriskofanaccident.
— The systemonlyconsiderstrafficsignsthat
giveaspeedlimit.
— The
permittedspeedcanbeexceededifthe
adaptationtoaspeedlimitisincorrect.The
driverisresponsibleforadheringtotheper-
mittedspeed.
—Thespeedwhendrivingthroughcurvesmay
bedifferentfromwhatyouasadriverwould

101