2019 AUDI A4 ECU

Driving


—Oncethevehiclehasstartedmoving,press
the|&OFF]buttonbrieflytoturnthesport
mode/offroadmodeoff.
@Tips
—After acceleratingusingtheLaunchControl,
thetemperatureofsomevehiclecompo-
nentsmayincreasegreatly.Ifthathappens,
thefunctionwillnot beavailable forafew
minutestoreducetheriskofdamage.After
acool-downperiod,LaunchControlwillbe
availableagain.
—Whenacceleratingusingthelaunchcontrol
program,allvehicleparts aresubjectto
heavyloads.Thiscanlead toincreasedwear.
Messages
Appliesto:vehicleswithautomatictransmission



fs}Transmission:toohot.Pleasestopvehicle
Donotcontinuedriving.Selectthe"P"selector
leverpositionandcontactanauthorizedAudi
dealerorauthorizedAudiServiceFacilityforas-
sistance.
fs}Transmission:malfunction!Safelystopvehi-
cle
Donotcontinuedriving.Stopthevehicleassoon
aspossibleinasafe locationandsecureitsoit
doesnotroll.SeeanauthorizedAudidealeror
authorizedAudiServiceFacilityforassistance.
fs}Selectorlever:malfunction!Youcancontin-
uedriving.PleasecontactService
Thereisasystemmalfunctioninthetransmis-
sion.DrivetoanauthorizedAudidealeror au-
thorizedAudiServiceFacilityimmediatelytohave
themalfunctioncorrected.
fs}Pbutton:malfunction!AutoPwhenengine
off.PleasecontactService
Thereisamalfunctioninthe"P"buttononthe
selectorlever.Thetransmissionautomatically
engages"P"whenyouswitchofftheengine.
DrivetoanauthorizedAudidealerorauthorized
AudiServiceFacilityimmediatelytohavethe
malfunctioncorrected.
90
flSelectorlever:malfunction!Gearchangeon-
lypossibleusingbothpaddlelevers.Pleasecon-
tactService
Thereisasystemmalfunctioninthe transmis-
sion.Youcancontinuedrivingwithrestricted
function.Theselectorleverisnotworking.Gears
canonlybeselectedbytappingbothshiftpad-
dlesatthesametimewhenthevehicleisstation-
ary>page88,fig.92.Payattentiontothese-
lectedtransmissionpositionintheinstrument
clusterdisplay.Theparkinglockengagesauto-
maticallywhenyouturnofftheengine.Driveto
anauthorizedAudidealerorauthorizedAudi
ServiceFacilityimmediatelytohavethemalfunc-
tioncorrected.
iTransmission:pleasepressbrake pedaland
selectgearagain
Pressthebrakepedalandselectthedesiredse-
lectorleverpositionagain.Youcanthencontinue
driving.
flTransmission:toohot.Pleaseadaptdriving
style
Thetransmissiontemperaturehasincreasedsig-
nificantly.Driveverycautiouslyortakeabreak
fromdrivinguntilthetemperaturereturnstothe
normalrangeandtheindicatorlightturnsoff.
flTransmission:malfunction!Youcancontin-
uedriving.Seeowner'smanual
Thereisasystemmalfunctioninthe transmis-
sion.Youmaycontinuedriving.Drivetoanau-
thorizedAudidealerorauthorizedAudiService
Facilitysoontohavethe malfunctioncorrected.
iTransmission:malfunction!Youcancontin-
uedrivinginDuntilengineisoff
Thereisasystemmalfunctioninthe transmis-
sion.Thetransmissionisswitchingtoemergency
mode.Ifyouturntheengineoff,youwillnotbe
abletoselectanyotherselectorleverpositions
afterstartingtheengineagain.Drivetoanau-
thorizedAudidealerorauthorizedAudiService
Facilityimmediatelytohave the malfunctioncor-
rected.

Driving

>Graspthe socketwrenchwithbothhands and
carefullypullitupwardtoremove.
>Reinsertthecoverandrubbermat.
Iftheparkinglockisreleasedwiththeemergen-
cyrelease,the fs}indicatorlightturnsoninthe
instrumentclusterand“N”isengaged.Themes-
sageDangerofrolling away!Pnotpossible.
Pleaseapplyparkingbrakealsoappears.

Z\WARNING
—Theparkinglockmustbereleasedusingthe
emergencyreleasebeforetowingthevehi-
cle.
— Theparkinglockmayonlybereleasedusing
theemergencyreleaseiftheparkingbrake
isset.Ifitisnotworking,securethevehicle
fromrollingusingthebrake pedalorother
suitablemeans,suchasblockingafrontand
arearwheel.Anunsecuredvehiclemayroll
away,whichincreasestheriskofanacci-
dent.
—Onlyactivatethe emergencyreleasewhile
onalevelsurfaceoraslightslope.
—Toreducetheriskofanaccident,youmust
notdrivewhentheemergencyreleaseisac-
tivated.

@)Note
Duetotheriskofdamage,carefullyremove
thesocketwrenchwhenyouresettheparking
lock.
92

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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
>

8W0012721BG
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

Assistsystems


theinstrumentclustercanmeaneither
km/hormph,depending onthecountry.
Operating
Appliesto:vehicleswithcamera-basedtrafficsignrecognition


©.aaq
|
==a

Fig.98Instrumentcluster:additionaldisplay
Accessingtrafficsignrecognition
>Select:thefirsttab>Trafficsigns.
Settingaspeedwarning
Youcansetawarningthresholddownto10mph
(15km/h).Thetrafficsignforthecurrentdetect-
edspeedlimitwillblinkinthedisplayifyouex-
ceed thesetthreshold.

> SelectintheInfotainmentsystem:[MENU]but-
ton>Vehicle>leftcontrolbutton>Driveras-
sistance>Speedwarning>Trafficsignbased
warning.

Additionaldisplay
If aviewotherthanthetrafficsignrecognitionis
selectedintheinstrumentclusterdisplay,the
speedlimitwillbeshowninanotherdisplay
=>fig.98.Thecurrentapplicablespeedlimitwill
beshownthere,ifpossiblewithinthelimitsof
thesystem.
G)Tips
—Anadditionalindicatorappearsinthehead-
updisplay*.
—Yourspeedwarningsettingsarestoredau-
tomaticallyandassignedtothevehiclekey
inuse.
98
Messages
Appliesto:vehicleswithcamera-basedtrafficsignrecognition
Trafficsign recognition:currently unavaila-
ble.Cameraviewlimitedduetosurroundings
Functioncurrentlyunavailable.Cameraviewre-
strictedduetosurroundings
Thismessageappearsifthecamera'svisualfield
iscovered>page97,fig.97.Thesystemwill
switchitselfoff.
Trafficsign recognition:currentlylimited.
Seeowner'smanual
Thismessageappearsifthereisamalfunctionin
thenavigationsystem,forexample.Thespeed
limitdisplayislimited,whichincreasestheriskof
anincorrectdisplay.
Trafficsign-basedspeedwarning:currently
unavailable.Seeowner'smanual
Therewillbenowarningwhenthesetthreshold
isexceeded.
Notrafficsigninformationavailable
Thereisnovalidnavigationdataandnospeed
limitsweredetected.Orthereisarecommended
speedbutthereisnotaspeedlimit(forexample
drivingonandoffthe expressway).
Malfunction!Seeowner'smanual
Thesystemmaynotfunctioncorrectlysoithas
beenswitchedoff.SeeanauthorizedAudidealer
orauthorizedAudiServiceFacilityforassistance.
Functionnotavailableinthiscountry
Thevehicleisinacountrywherethefunctionis
notavailable.

8W0012721BG
Assistsystems

Laptimer
Introduction
Appliesto:vehicleswithlaptimer
Youcanmeasureandanalyzelaptimeswiththe
laptimerinthedisplay.
Openingthelaptimer
>OpenthefirstVehicletab(tripcomputer)using
the[<>]buttononthemultifunctionsteering
wheel.
>Selectonthemultifunctionsteeringwheel:left
controlbutton>Laptimes.


Operatingthelaptimer
>Onthemultifunctionsteeringwheel,turnthe
leftthumbwheel(7)>page15untilthedesired
menuitemisdisplayedintheinstrumentclus-
ter.
>Presstheleftthumbwheeltoconfirmtheselec-
tion.

ZAWARNING
Yourfocusshouldalways beondrivingyour
vehiclesafely.Asthedriver,youhavecom-
pleteresponsibilityforsafetyintraffic.Only
use thefunctionssuchasthelaptimerinsuch
awaythatyoualwaysmaintaincompletecon-
troloveryourvehicleinalltrafficsituations.
@)Tips
Youcanretrieveinformationfromthetrip
computerwhilethelaptimerstopwatchis
running.
eymeatalLl)
Appliesto:vehicleswithlaptimer

Requirement:thelaptimermustbeopen
=>page99.
Timinglaps
>Tostarttimingmanually,selectStartlap 1in
themenu.
>Tostarttimingautomaticallyassoonasyoube-
gintodrive,selectDriveofftostartlap 1or
Startbydrivingoffinthemenu.
>Tomeasurethelaptime,selectNewlapinthe
menu.
Thisstartstimingthenextlapatthe
sametime.
Aftercompletingalap,thedifferencebetween
thelastlapandthepreviousbestlaptimewillbe
ainaynindicatedwitha“~”or“+”.
Pausingtiminganddisplayingasplittime
>ToinsertapauseiyselectPauseinthemenu.
>Toresumetiming,selectResumeinthemenu.
>Todisplayasplittime,selectSplittimeinthe
menu.Thesplittimeappearsforapproxi-
mately10secondsintheinstrumentcluster.
Thetimingofthecurrentlapcontinues.
Resettingtiming
>»Usingthemultifunctionsteeringwheel,select
Resettimesinthemenu.
@Tips
—Amaximumof99laptimescanbemeas-
ured.
—Iftimingispaused,youcancontinueitlater
evenifyouswitchtheignitionoff.
—Savedlaptimescannotbeindividuallyde-
letedfromthetotalresults.
—Thesavedlaptimervalueswillremainafter
switchingtheignitionoff.
Lapstatistics
Appliesto:vehicleswithlaptimer
Displayinglapstatistics
Youcandisplaythenumberoflapsdriven,the
fastestlap“+”,theslowestlap“—”,andtheaver-
agetime“®”intheinstrumentcluster.
un
>Onthemultifunctionsteeringwheel,selectthe
leftcontrolbutton>LapstatisticsorStatis-
tics.
>Turn thethumbwheeldownoruptodisplaythe
individuallaptimes.
>Toreturn tothelaptimingthatwasbegun,
presstheleftthumbwheel.
Resettinglapstatistics
>Onthemultifunctionsteeringwheel,select:
therightcontrolbutton>Resetstatistics.>
99