2019 AUDI A4 Owners Manual

8W0012721BG
Assistsystems

Theadaptivecruisecontrolsystemisacombina-
tionofspeedanddistanceregulation.Itassists
thedriverbybothregulatingthespeedand
maintainingadistancetothevehicledriving
ahead,withinthelimitsofthesystem.Ifthesys-
temdetectsavehicledrivingahead,theadaptive
cruisecontrolcanbrakeandaccelerateyourvehi-
cle.This increasesdrivingcomfortduringlong
tripsonhighwaysandinstop-and-gotraffic(au-
tomatictransmission*).
Whatcanadaptivecruisecontroldo?
Theadaptivecruisecontrolsystemusesvideo,ra-
dar,ultrasoundandnavigationdata.Vehicles
drivingaheadcanberecognizedupto650ft
(200m)away.
Predictivefunctionsofferthedriveradditional
comfortandcontributetothereductioninfuel
consumptionandCO2emissions>page101.
Onopenroadswithnotraffic,itfunctionslikea
cruisecontrolsystem.Thestoredspeedismain-
tained.Whenapproachingavehicledriving
ahead,theadaptivecruisecontrolsystemauto-
maticallybrakestomatchthatvehicle'sspeed
andthenmaintainsthesetdistance.Assoonas
thesystemdoesnotdetectavehicledriving
ahead,adaptivecruisecontrolacceleratesupto
thestoredspeed.
Appliesto:vehicleswithautomatictransmission
Instop-and-gotraffic,adaptivecruisecontrolcan
brakeuntilthevehicleisstationaryandthencan
alsostartdrivingagainautomaticallyundercer-
tainconditions>page107.
Intrafficjamsorstop-and-gotraffic,trafficjam
assistcanassistthedriver>page109.
Whichfunctionscanbecontrolled?
Whenyouswitchadaptivecruisecontrolon,you
cansetthecurrentspeedasthe“controlspeed”
=page105,Switchingonandoff.
Whendriving,youcanstopcruisecontrol
=>page108orchangethespeed>page106at
anytime.
Youcanalsosetthedistancetothevehicledriv-
ingaheadandsetthedrivingmodeoftheadap-
tivecruisecontrol>page106.
Generalinformation
Appliesto:vehicleswith Audiadaptivecruisecontrol

B8W-0098|

Fig.101Frontofthevehicle:sensorsandvideocamera
Theareaswiththeradarandultrasonicsensors
andthevideocamera>fig.101mustnotbecov-
ered bystickers,depositsoranyotherobjects,
becausethiscaninterferewiththeadaptive
cruisecontrolfunction.Forinformationonclean-
ing,see>page342.Thesameappliesforany
modificationsmadeinthefrontarea.
Insomedrivingsituations,theadaptivecruise
controlfunctionisrestricted:
—Vehiclescanonlybedetectedwhentheyare
withinthe sensordetectionzones>page102,
fig.100.
—Thesystemhasalimitedabilitytodetectvehi-
clesthatareashortdistanceahead,offtothe
sideofyourvehicleormovingintoyourlane.
—Objectsthataredifficulttodetectsuchasmo-
torcycles,vehicleswithhighgroundclearance
oranoverhangingloadaredetectedlateornot
detectedatall.
—Whendrivingthroughcurves>page104.
—Whenthevehicleisstationary>page104.

Z\WARNING
Alwayspayattentiontothetrafficaround you
whenadaptivecruisecontrolisswitchedon.
Asthedriver,youarestillresponsibleforyour
ownspeedandthe distancetoothervehicles.
Theadaptivecruisecontrolisusedtoassist
you.Thedrivermustalwaystakeaction to>

103

Assistsystems


avoidacollision.Thedriverisalwaysresponsi-
bleforbrakingatthecorrecttime.
—Forsafetyreasons,donotuseadaptive
cruisecontrol whentheroadsurfaceisin
poorconditionand/orinbadweathercondi-
tions(suchasice,fog,gravel,heavyrainand
hydroplaning).Usingthesystemunder
theseconditionsincreasestheriskofanac-
cident.
—Switchadaptivecruisecontrolofftemporari-
lywhendrivinginturninglanes,onexpress-
wayexits(exceptifpredictivecontrolis
switchedon)orinconstructionzones.This
preventsthevehiclefromaccelerating to
thestoredspeedwheninthesesituations.
—Theadaptivecruisecontrolsystemwillnot
brakebyitselfifyouputyourfootontheac-
celeratorpedal.Doingsocanoverridethe
speedanddistanceregulation.
—Whenapproachingstationaryobstacles
suchasstoppedtraffic,adaptivecruisecon-
trol willrespondwithlimitedfunction.
—Adaptivecruisecontroldoesnotrespondto
people,animals,orcrossingoroncoming
objects.
—Thefunction oftheradarsensorscanbeaf-
fectedbyreflectiveobjectssuchasguard
rails,theentrancetoatunnel,heavyrainor
ice

1)Note
Thesensorscanbedisplacedbyimpactsor
damagetothebumper,wheelhousingand
underbody.Thiscanimpair theadaptive
cruisecontrol.HaveanauthorizedAudidealer
orauthorizedAudiServiceFacilitychecktheir
function.
G)Tips
Foranexplanationonconformitywiththe
FCCregulationsintheUnitedStatesandthe
IndustryCanadaregulations,see>page370.
104
Incurves
Appliesto:vehicleswithAudiadaptivecruisecontrol



Fig.102Example:drivinginto acurve
Whendrivingintoacurve>fig.102andoutofa
curve,theadaptivecruisecontrolmayreacttoa
vehicleintheneighboringlaneandapplythe
brakes.Youcanpreventthatbypressingtheac-
celeratorpedalbriefly.
Stationaryvehicles
Appliesto:vehicleswithAudiadaptivecruisecontrol

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Fig.103Example:vehiclechanginglanesandstationary
vehicle
Withinthelimitsofthesystem,adaptivecruise
controlcanreacttostationaryvehicles
=>fig.103,aslongasyouaredrivingslowerthan
30mph(50km/h) andthesystemclassifiesthe
possiblepassingmaneuveraslow.Forexample,
ifavehiclethatwasalreadydetected(@turnsor
changeslanes,theadaptivecruisecontrolreacts
tothestationaryvehicleaheadofit@).
Vehicleswithmanualtransmission
Appliesto:vehicleswithAudiadaptivecruisecontroland
manualtransmission
Theadaptivecruisecontrolisavailablefrom1st
gearthrough6thgearinthenormalspeedrange.>

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Assistsystems

Whentheadaptivecruisecontrolisturnedon,
youmustpresstheclutchtoshiftgears(asusu-
al).Whenshiftingnormallyorwhenpressingthe
clutch,theadaptivecruisecontrolremains
turnedon.
Afteryouhaveengagedthegear,youdonotneed
topressthegaspedal.Theadaptivecruisecon-
trolacceleratesautomaticallyifnecessary.
Ifyoupressdownontheclutchfortoolongor
shift/coupleimproperly,theadaptivecruisecon-
trolmayturnoffautomatically.
Switchingonandoff
Appliesto:vehicleswithAudiadaptivecruisecontrol

B4M-0231


RAH-8655


Fig.105Instrumentcluster:adaptivecruisecontrol
Youcansetanyspeedbetween20mphand95
mph(30km/hand150km/h).
Indicatorlightsandmessagesintheinstrument
clusterdisplayinformyouaboutthecurrentsit-
uationandsetting.
Anadditionalindicatorappearsinthehead-up
display*.
Switchingadaptivecruisecontrolon
> Pullthelevertowardyouintoposition@
>fig.104.
Storingthespeedandactivatingregulation

>Tostorethecurrentspeed,pressthe[SET]but-
ton>fig.104.Thestoredspeedisshowninthe
speedometerintheLEDline@)andappears
brieflyinthestatusline©)>fig.105.
»Automatictransmission:toactivatecontrol
whenstationary,thebrake pedalmustalsobe
pressed.

Switchingadaptivecruisecontroloff
>Pushtheleverawayfromyouintoposition©
untilitclicksintoplace.ThemessageACC:off
appears.
Indicatorlights
B-Adaptivecruisecontrolmustbeswitched
on.Novehiclesaredetectedahead.Thestored
speedismaintained.
BA-Avehicledrivingaheadwasdetected.The
adaptivecruisecontrolsystemregulatesthe
speedanddistancetothevehicledrivingahead
andaccelerates/brakesautomatically.
Appliesto:automatictransmissions
&-Adaptivecruisecontrolmustbeswitched
on.Avehiclewasdetectedahead.Yourvehicleis
stationaryandwillnotstartdrivingautomatical-
ly.
Appliesto:automatictransmissions
EB-Adaptivecruisecontrolmustbeswitched
on.Novehiclesweredetectedahead.Yourvehicle
isstationaryandwillnotstartdrivingautomati-
cally.
A-Theautomaticbrakingisnotenoughto
maintainasufficientdistancetoavehicledriving
ahead.Youmustintervene>page109,Driverin-
terventionrequest.
©Instrumentclusterdisplay
IftheDriverassistancedisplayisnotshownin
theinstrumentclusterdisplay,youcanopenit>
105

Assistsystems

usingthemultifunctionsteeringwheelbuttons
=>page15.
Basedonthegraphicdisplay,youcandetermine
ifthesystemismaintainingadistancetotheve-
hicledrivingahead andwhatthatdistanceis.
Novehicle-novehiclewasdetecteddriving
ahead.
Silvervehicle-avehiclewasdetecteddriving
ahead.
Redvehicle-requestfordriverintervention
=>page109.
Thefivedistance barsonthegauge(©represent
thesetdistance(see>page106forinformation
onhowtochangethedistance).Ifyoufallbelow
theselecteddistance,thedistancebarsbecome
redfromthebottomupward.

ZAWARNING
Appliesto:vehicleswithautomatictransmis-
sion:Ifyoupressthe[SET]buttonwhendriv-
ingatspeedsbelow20mph(30km/h),the
vehiclewillaccelerateautomaticallyupto20
mph(30km/h),whichistheminimumspeed
thatcanbeset.



@)Tips
—Ifyouswitchtheignitionortheadaptive
cruisecontrolsystemoff,thesetspeedis
erasedforsafetyreasons.
— TheElectronicStabilizationControl(ESC)
andtheAnti-Slip-Regulation(ASR)areauto-
maticallyswitchedonwhentheadaptive
cruisecontrolisswitchedon.
106
Changingthespeed
Appliesto:vehicleswith Audiadaptivecruisecontrol

B4M-0232



Fig.106Operatinglever:changingthespeed
>Toincrease ordecrease thespeedinsmallerin-
crements,tap thelevertoward@)or©)
=>fig.106tothefirstlevel.
>Toincrease ordecrease thespeedinlargerin-
crements,brieflytap thelevertoward@)or©)
tothesecondlevel.
>Toincrease ordecrease thespeedcontinuously,
holdthelevertoward@)/G)tothefirstorsec-
ondleveluntilthemarking@)reachesthede-
siredspeed>page105,fig.105.
Preselectingaspeed
Youcanalsopreselectthespeedwhenadaptive
cruisecontrolisnotactivebymovingtheleverin
thedesireddirection@)/©).Activatetheprevi-
ouslyselectedspeedbypullingtheleverintopo-
sition@)>page108,fig.109.
SadiMmeels
Appliesto:vehicleswith Audiadaptivecruisecontrol

B4M-0234


Fig.107Operatinglever:settingthedistance
>Taptherockerswitchtodisplaythedistance
thatiscurrentlyset.

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Assistsystems

>Toincrease ordecrease thedistanceinincre-
ments,tap theswitchagaintoward@)or ©).
Thedistancebetweenthetwovehicleswill
changeintheinstrumentclusterdisplay.
Whenapproachingavehicledrivingahead,the
adaptivecruisecontrolsystembrakestomatch
thatvehicle'sspeedandthenadjuststotheset
distance.Ifthevehicledrivingaheadaccelerates,
thentheadaptivecruisecontrolwillalsoacceler-
ateuptothespeedthatyouhaveset.
Thehigherthespeed,thegreaterthedistance
=>A\.TheDistance3settingisrecommended.
Thatisequaltothegeneralrecommendationof
“halfthespeedshownonthespeedometer”.
Thedistancesprovidedare specifiedvalues.De-
pendingonthedrivingsituationandhowtheve-
hicleaheadisdriving,theactualdistancemaybe
moreorlessthanthesetargetdistances.
Ifyouchangethetimegaps,thevalueyouhave
justsetappearsbrieflyintheinstrumentcluster
display,forexampleBiforDistance3.Thisonly
occursiftheDriverassistancedisplayisnotcur-
rentlyshowninthedisplay>page105,fig.105.
Distance1:thissettingcorrespondstoadistance
of92ft(28m)whentravelingat62mph(100
km/h),oratimedistanceof1second.
Distance2: thissettingcorrespondstoadistance
of118ft(36m)whentravelingat62mph(100
km/h),oratimedistanceof1.3seconds.
Distance3:thissettingcorrespondstoadistance
of164ft(SOm)whentravelingat62mph(100
km/h),oratimedistanceof 1.8seconds.
Distance4:thissettingcorrespondstoadistance
of219ft(67m)whentravelingat62mph(100
km/h),oratimedistanceof2.4seconds.
Distance5:thissettingcorrespondstoadistance
of328ft(100m)whentravelingat62mph(100
km/h),oratimedistanceof3.6seconds.

D_Thisisnotavailableinsomecountries.

ZAWARNING
Whensettingthedistance,thedriverisre-
sponsibleforadheringtoanyapplicablelegal
regulations.
@Tips
Dependingontheselecteddrivingprogram
anddistance,drivingbehaviorwhenacceler-
atingwillvaryfromdynamictocomfortable
=>page108.
Drivinginstop-and-gotraffic
Appliesto:vehicleswith Audiadaptivecruisecontrolandau-
tomatictransmission



Fig.108Instrumentcluster:safestartmonitor
Theadaptivecruisecontrolsystemalsoassists
youinstop-and-gotraffic.Ifavehicledriving
aheadstops,yourvehiclewillbrakeandstayata
stopwithinthelimitsofthesystem.
Startingtodrivewithadaptivecruise
control!)
AslongasthemessageACC:automaticgoisdis-
played,yourvehiclewillbegindrivingwhenthe
vehicledrivingaheadstartstomove>A\.
Ifyouarestoppedforseveralseconds,yourvehi-
clewillnolongerdriveautonomouslyforsafety
reasons,
andthemessagewillturnoff.
>ToreactivateACC:automaticgotemporarily,
pullthelevertoposition@)>page108,
fig.109.
>Toresumemanualcontrolofthevehicle,tap
theacceleratorpedal.
107

Assistsystems

Safestartmonitor
Ifanobstacleisdetectedwhenyoustartdriving,
youwillbealerted tothedangerbytheBAindi-
catorlightandtheimageintheinstrumentclus-
terdisplay>fig.108>A\.Anaudiosignalwill
alsosound.Yourvehiclewilldrivemoreslowly
whenstarting.Thismayalsooccurinsomesitua-
tionswhenthereisno apparentobstacle.
—Pressthebrakepedaltoslowyourvehicle
down.

Z\WARNING
IfthemessageACC:automaticgo”appears,
yourvehiclewillstartdrivingevenifthereis
anobstaclebetweenyourvehicleandtheve-
hicledrivingahead.Thisincreasestheriskof
anaccident.
G@)Tips
—Forsafetyreasons,yourvehiclewillonly
starttodriveautomaticallyif:
—Thedriver'ssafetybeltisfastened
—Alldoorsandthehoodareclosed
—Yourvehicleisnotstoppedforalongperi-
odoftime
Interruptingcruisecontrol
Appliesto:vehicleswithAudiadaptivecruisecontrol


B4M-0233


Fig.109Selectorlever
Requirement:adaptivecruisecontrolmustbe
switched
on.

D_Thisisnotavailableinsomecountries.
2)Thisisnotavailableinsomecountriesand onsomeequip-
mentversions.
108
Overridingcruisecontrol
>Toacceleratemanually,pullthelevertoward
youintoposition@)andholditthereorpress
theacceleratorpedal.ThemessageACC:over-
rideappears.
>Toresumecruisecontrol,releasetheleveror
takeyourfootofftheacceleratorpedal.
Cancelingcruisecontrolwhiledriving
>Movetheleverintoposition@).Themessage
ACC:standbyappears.Or
>Pressthebrakepedal.
>Toresumethestoredspeed,movetheleverto-
wardyouintoposition@).
Cancelingcruisecontrolwhenstopped
Appliesto:vehicleswithautomatictransmission
>Pushtheleverawayfromyouintoposition@).
ThemessageACC:standbyappears.
>Toresumecruisecontrol,pressthebrakepedal
andpullthelevertowardyouintoposition@).

Z\WARNING
—Itisdangeroustoactivatecruisecontroland
resumethestoredspeedwhenthecurrent
road,trafficorweatherconditionsdonot
permitthis.Thisincreasestheriskofanac-
cident.
—Restingyourfootontheacceleratorpedal
couldoverridethecruisecontrol.Brakingin-
terventionsandcorrectiveactionsbythe
systemmaynotoccur.
SettingAudiadaptivecruisecontrol
Appliesto:vehicleswith Audiadaptivecruisecontrol


>SelectintheInfotainmentsystem:[MENU]but-
ton>Vehicle>leftcontrolbutton>Driveras-
sistance>Audiadaptivecruisecontrol.

Storingthelastdistance?)
Thelastdistancethatwassetwillbestoredafter
theignitionisswitchedoff.Ifthedistanceisnot>

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Assistsystems

stored,Distance3isautomaticallyseteverytime
theignitionisswitchedon.
Drivingprogram
Appliesto:vehicleswithoutAudidriveselect
Dependingontheselecteddrivingprogramand
distance,drivingbehaviorwhenacceleratingwill
varyfromdynamictocomfortable.
Selectingthedrivingmode
Appliesto:vehicleswith Audidriveselect
DependingontheselectedAudidriveselect
modeandthedistancethatisset,thedrivingbe-
haviorwillvaryfromdynamictocomfortable
whenaccelerating>page127.
@)Tips
Yoursettings areautomaticallystoredandas-
signedtothevehiclekeybeingused.
riverinterventionrequest
Appliesto:vehicleswithAudiadaptivecruisecontrol


Fig.110Instrumentcluster:requestfordriverinterven-
tion
Therequestfor driverinterventioninstructsyou
totakeoveriftheadaptivecruisecontrolbraking
functionisnotabletomaintainasufficientdis-
tancetothevehicledrivingahead>fig.110.
Appliesto:vehicleswithtrafficjamassist
Trafficjamassistsupportsthedriverwhendriv-
ingintrafficjamsorinheavytraffic.

B8V-0692


Fig.111Turnsignallever:trafficjamassistbutton
ooa
RAH-8657


Fig.112Instrumentcluster:trafficjamassist
In aspeedrangeunder40mph(65km/h),traffic
jamassistcanhelptokeepthevehiclewithina
lanecalculatedbythesystem.Withinthelimits
ofthesystem,thesystemcontrolsthesteering
automaticallywhenadaptivecruisecontrolis
switchedon.Sincetrafficjamassistisonlyanas-
sistsystem,thedrivermustalwayskeephisor
herhandsonthesteeringwheelandbereadyto
steer.Thedrivercanoverridethecontrolatany
timebyactivelysteering.
Thesystemisdesignedfordrivingonexpress-
waysandhighways.
Switchingtrafficjamassistonandoff
>Pressthebuttontoswitchthesystemonand
off>fig.111.
>Toturnthesystemoffcompletely,selectinthe
Infotainmentsystem:[MENU]button>Vehicle
>leftcontrolbutton>Driverassistance>Traf-
ficjamassist.


109
>

Assistsystems

Iftrafficjamassistwasdeactivatedthroughthe
Infotainmentsystem,youcancontinueoperating
theactivelaneassistusingthe>fig.111button
=>page118.Thetrafficjamassistfunctionsare
nolongeravailable.
Requirementsforusingtrafficjamassist:
—Trafficjamassistmustbe switchedonintheIn-
fotainmentsystem.
—Adaptivecruisecontrolmustbe switchedon
and
active>page105.
Alwaysswitchofftrafficjamassistinthe
followingsituations:
—Whenincreasedattentionisneededfromthe
driver
—Inpoorweatherconditionssuchassnowor
heavyrain
—Whendrivingonroadsinpoorcondition
—Inconstructionzones
—Incitydriving
Trafficjamassistavailability:
IfyouareintheDriverassistancedisplayinthe
instrumentcluster,theindicatorlightandthe
messageTrafficjamassistavailableappearsif
trafficcongestionisdetected.Youcanopenthe
Driverassistancedisplayusingthemultifunction
steeringwheelbuttons>page15.Toactivate
trafficjamassist,youmustpressthe>fig.111
buttonandswitchontheadaptivecruisecontrol
=>page105.
Indicatorlights
BandBA-trafficjamassistisswitchedon.Ve-
hiclesdrivingaheadweredetected.Yourvehicle
adaptswhiledriving>fig.112.
B-Trafficjamassistswitchesoffifthedriver
doesnottakeoversteeringaftermultipledriver
interventionrequests.Thesystembrakestheve-
hicleuntilitisstationary.

ZA\WARNING
Alwayskeepyourhandsonthesteeringwheel
soyoucanbereadytosteeratanytime.The
driverisalwaysresponsibleforstayingina
laneandforassessingtrafficsituations.Read
andfollowthewarningson>A\inGeneralin-

110

formationonpage103.Neverusetrafficjam
assistinthefollowingsituationsoryouwill
increasetheriskofanaccident:
—Drivingoffroadoronunpavedroads.Traffic
jamassistisonlydesignedforuseonpaved
roads.
—Incitydrivingorinconstructionzones
—Oncurvingstretchesofroad.
—Innarrowlanes
—Inuncleartrafficsituationssuchasatinter-
sectionsortollstations
@Tips
Youarenotnecessarilyguidedtothe center
ofyourlane.
PMENaTemelecile)
Appliesto:vehicleswith Audiadaptivecruisecontrol

Thisfunctionmeasuresthetimebetweentheve-
hicledrivingaheadandshowsthisintheinstru-
mentclusterdisplay.


Fig.113Instrumentcluster:distanceindicator/warning
Description
Atspeedsaboveapproximately40mph(65
km/h),thisfunctionmeasuresthedistancetothe
vehicleaheadastime.
>Switchtheadaptivecruisecontroldisplayonin
theinstrumentclusterdisplay>page15.
TheBindicatorlightturnsonifyoufallbelow
thesetdistance.
Settingthewarningthreshold
Youcanset,changeordeletethewarningthresh-
oldintheInfotainmentsystem.