brakes AUDI Q7 2019 Owner´s Manual
Page 94 of 394
Trailertowing
Trailertowing
Drivingwithatrailer
eTreeeleurltela}
Yourvehicleisprimarilyintendedfortransport-
ingpeopleandluggage.However,ifyoudrive
withatrailer,followthetechnicalrequirements,
the operationanddrivingtips,andthelegalreg-
ulations.
Drivingwithatraileraffectsthevehicle'sfuel
consumption,performanceandwear.Italsore-
quireshigherconcentrationfromthedriver.
ZAWARNING
Donottransportanypeopleinatrailerdueto
theriskoffatalinjury.
Technicalrequirements
Certainrequirementsmustbemetwhentowing
atrailer.
Trailerhitch
Onlyuseatrailerhitchwitharemovableball
hitchmountandballhitch.Thetrailerhitchmust
bepermittedforthevehicle,thetrailerandthe
permittedtotalweightofthetrailerbeing
pulled.Aboveall,itmustbesecurelyandsafely
attachedtothevehicletrailer.
Nevermountatrailerhitchonthebumper.The
trailerhitchmustbemountedinawaythatdoes
notimpair thefunctionofthebumper.Donot
makeanychangestotheexhaustsystemandthe
brakesystem.
Checkregularlyifthetrailerhitchissecurely
mounted.Alwaysfollowtheinstructionsgivenby
thetrailerhitchmanufacturer.
Trailerbrakes
Ifthetrailerhasitsownbrakesystem,thenfol-
lowthemanufacturerspecifications.However,
thebrakesystemonthetrailermustneverbe
connectedtothevehiclebrakesystem.
92
Enginecoolingsystem
Drivingwithatrailermeansahigherloadonthe
engineandthecoolingsystem.Thecoolingsys-
temmustbedesignedforadditionalloadand
containenoughcoolant>©.
ZAWARNING
—Nevermounta"weight-distributing"or
"load-balancing"trailercouplerasthetrailer
hitch.Thevehiclewasnotdesignedfor
thesetypesoftrailerhitches.Thetrailer
hitchcanmalfunctionandthetrailercan
breakofffromthevehicle.
—Ifthetrailerisequippedwithelectronic
brakes,thesebrakescannotbeactivatedby
afactory-installedcontrolsystem,whichin-
creasestheriskofanaccident.
—Toreducetheriskofinjury,alwaysremove
theballhitchmountifnotrailerismount-
ed
@)Note
Longerinclinescannotbedrivenwithouta
suitablecoolingsystem,especiallyiftheout-
sidetemperaturesarehigh.Otherwise,this
increasestheriskofenginedamage.
Operatinginstructions
Severalthingsmustbe notedwhentowinga
trailer.
Towingcapacity
Thepermittedtowingcapacitymustnot beex-
ceededunderanycircumstances>page376.
Youcandriveuplargerinclinesifyouarenotus-
ingthemaximumtowingcapacity.
Thetowingcapacitiesgivenonlyapplytoeleva-
tionsupto3,200ft(1,000m)abovesealevel.As
theelevationincreases,theenginepowerde-
creasesduetothedecreasingairpressure.This
reducesthehillclimbingabilityandtowingca-
pacity.Foreveryadditional3,200ft(1,000m),
themaximumpermittedtowingweightmustbe
reducedbyapproximately10%.Thepermitted
towingweightisthecombinedweightofthe
(loaded)vehicleandthe(loaded)trailer.
Page 96 of 394
Trailertowing
Ifyouhavetodrivethroughdifficultroadcondi-
tions,youcanraisethevehicleagainafterhitch-
ingthetrailerorafteradjustingthetongue
weight.
@)Note
Appliesto:vehicleswithairsuspension
—Changesintemperatureorloadcanaffect
the heightofthevehicle.
—Ifthestandardvehicleheightisnotused,
thetongueweightspecificationisnolonger
applicable.
@)Note
Attachmentsretrofittedonthevehiclemay
causedamage,especiallyonthetrailerhitch
ballhead.Incasesofdamage,havethefunc-
tioncheckedby anauthorizedAudidealeror
authorizedAudiServiceFacility.
G)Tips
—Blockthewheelswithchockswhenparking
oninclinesifthetrailerisloaded.
—Havingthevehicleinspectedbetweenthe
inspectionintervalsisrecommendedifyou
towatrailerfrequently.
—Avoiddrivingwithatrailerduringthevehi-
clebreak-inperiod.
Drivingwithatrailer
Drivingwithatrailerrequiresextracaution.
Speed
Adheretothelegalspeedlimits.Followthelegal
regulationsspecifictothecountry.
Asthespeedincreases,thedrivingstabilityof
thetrailerdecreases.Thereforeyoushouldnot
exceedthemaximumlegalspeedlimitwhen
thereareunfavorableroad,weather,and/orwind
conditions.Thisespeciallyapplieswhendriving
downhill.
Hill
Whenyoustartdrivinguphillordownhill,trailers
maytiltorswaysoonerthanwhendrivingona
levelsurface.Ifsmallswayingmovementshave
alreadyoccurred,youcanstabilizethetrailerby
94
firmlybrakingimmediately.Nevertryto
“straightenout”thetrailerbyaccelerating.
Downshiftbeforedrivingonhillstoutilizetheen-
ginebrakingeffect>A\.
Brakes
Whenusingatrailerwithoverrunbrakes,first
brakegentlythenquickly.Thisreducestheriskof
jerkingwhilebrakingifthetrailerwheelslockup.
Enginecoolanttemperature
Payattentionspecificallytothecoolanttempera-
ture displaywhentherearehighoutsidetemper-
atures,andwhendrivingonlonginclines
=>page15.Shifttoahighergearinatimelyman-
ner.
Z\WARNING
Constantbrakingcausesthebrakestoover-
heatandcansubstantiallyreducebrakingper-
formance,increasebrakingdistance,orcause
completefailureofthebrakesystem.
Page 97 of 394
4M0012721BG
Assistsystems
Assistsystems
Speedwarningsystem
Appliesto:vehicleswithspeedwarningsystem
Thespeedwarningsystemhelpsyoutostaybe-
low aspecifiedmaximumspeedthatcanbeset,
changedordeletedintheInfotainmentsystem.
Thespeedwarningsystemwarnsyouifyouare
exceeding themaximumspeedthatyouhaveset.
Awarningtonewillsoundassoonasyourspeed
exceedsthestoredvalueslightly.Theindicator
lightalsoturnsonintheinstrumentclusterdis-
play{@)(USAmodels)/J(Canadamodels)and
amessage.Theindicatorlightoyandthe
messageturnoffifthespeedfallsbackbelow
thestoredmaximumspeed.
Settingathresholdisrecommendedifyouwould
liketoberemindedwhenyoureachacertain
maximumspeed.Situationswhereyoumaywant
todosoincludedrivinginacountrywithagener-
alspeedlimitorifthereisaspecifiedmaximum
speedforwintertires.
Settingthewarningthreshold
SelectintheInfotainmentsystem:[MENU]but-
ton>Vehicle>leftcontrolbutton>Driverassis-
tance>Speedwarning>Manual.
@)Tips
Regardlessofthespeedwarningsystem,you
shouldalwaysmonitoryourspeedusingthe
speedometerandmakesureyouarefollowing
thelegalspeedlimit.
Cruisecontrolsystem
Switchingon
Appliesto:vehicleswithcruisecontrolsystem
Thecruisecontrolsystemmakesitpossibleto
driveataconstantspeedstartingat15mph
(20km/h).
BFV-0220
Fig.90Operatinglever:cruisecontrolsystem
>Toswitchthesystemon,pulltheleverintopo-
sition@©fig.90.
>Driveatthespeedyouwouldlikethesystemto
maintain.
>Tostorethespeed,pressthe button(@).
ThestoredspeedandtheCRUISE(USAmodels)/
BB(Canadamodels)indicatorlightappearinthe
instrumentclusterdisplay.Anadditionalindica-
torappearsinthehead-updisplay*.
Thesystemadjuststheengineoutputorapplies
thebrakestomaintainthe speed.
ZA\WARNING
—Alwayspayattentiontothetrafficaround
yourvehiclewhenthecruisecontrolsystem
isinoperation.Asthedriver,youarealways
responsibleforyourvehiclespeedandthe
distancebetweenyourvehicleandotherve-
hicles.
—Forsafetyreasons,cruisecontrolshould not
be
usedinthecity,instop-and-gotraffic,on
windingroads,andwhenroadconditionsare
poor(suchasice,fog,gravel,heavyrain,
andconditionsthatcouldlead tohydroplan-
ing),becausethisincreasestheriskofanac-
cident.>
95
Page 98 of 394
Assistsystems
—Switchthecruisecontrolofftemporarily
whendrivinginturninglanes,highwayexits,
orinconstructionzones.
—Pleasenotethatunconsciously“resting”
yourfootontheacceleratorpedalprevents
thecruisecontrolfrombraking.Thisisbe-
causepressingtheacceleratorpedalover-
ridesthecruisecontrolsystem.
—Ifabrakesystemmalfunctionsuchasover-
heatingoccurswhenthecruisecontrolsys-
temisswitchedon,thebrakingfunctionin
thesystemmaybeswitchedoff.Therestof
thecruisecontrolsystemfunctionsremain
activeaslongastheGg(USAmodels)/
ES)(Canadamodels)indicatorlightison.
@)Note
Beforedrivingdownhillalongdistanceona
steephill, decreaseyourspeedandselecta
lowergear.Thismakesuseoftheenginebrak-
ingeffectandreducestheloadplacedonthe
brakes.
G)Tips
Thebrakelightsturnonwhenthebrakesare
appliedautomatically.
Changingthespeed
Appliesto:vehicleswithcruisecontrolsystem
>Toincrease/decreasethespeedin1mph(1
km/h)increments,brieflytapthelevertoward
@/O°page95,fig.90tothefirstlevel.
>Toincrease/decreasethespeedin5mph(10
km/h)increments,brieflytapthelevertoward
@/Otothesecondlevel.
>Toincrease ordecrease thespeedquickly,hold
thelevertowardG)or©)tothefirstorsecond
level untilthedesiredspeedisreached.
Overridingthespeed
Appliesto:vehicleswithcruisecontrolsystem
Youcanpresstheacceleratorpedaltoincrease
yourspeed,forexampleifyouwanttopass
someone.Thespeedyousetearlierwillresume
onceyoureleasetheacceleratorpedal.
96
However,ifyouareexceedingthestoredspeedby
aconsiderableamountforalongtime,thecruise
controlsystemwilltemporarilyswitchoff.The
Gk(USAmodels)/(Canada models)indica-
torlightintheinstrumentclusterturnsoffand
thestoredspeedismaintained.
Preselectingaspeed
Appliesto:vehicleswithcruisecontrolsystem
Youcanpreselectyourdesiredspeedwhenthe
vehicleisstationary.
>Switchtheignitionon.
> Pulltheleverintoposition@>page95,
fig.90.
>Toincrease ordecrease thespeed,tapthelever
toward@)or ©).
Thisfunctiontostorethespeedyouwouldliketo
maintainonahighwaybeforeyoubegindriving,
forexample.Onceyouareonthehighway,acti-
vatethecruisecontrolsystembypullingthelev-
er intoposition@.
Switchingoff
Appliesto:vehicleswithcruisecontrolsystem
Deactivatingtemporarily
>Pressthebrakepedal,or
>Pressthelevertoward(2)(notlockedinto
place)>page95,fig.90.
Switchingoffcompletely
>Presstheleverintoposition2)(lockedinto
place),or
>Switchtheignitionoff.
Thespeedyoustoredwillbemaintainedifthe
cruisecontrolhasbeenswitchedofftemporarily.
Toresumethestoredspeed,releasethebrake
pedalandpullthelevertoposition@.
Switchingtheignitionoffwillerasethestored
speed.
ZXWARNING
Youshouldonlyresumethestoredspeedifit
isnot toohighforexistingtrafficconditions.|>
Page 102 of 394
Assistsystems
Description
Thepredictivecontrolusesthemapinforma-
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>page105,fig.101.
Alwaysswitchoffthepredictivecontrolin
thefollowingsituations:
—Whenincreasedattentionisneededfromthe
driver.
—Inpoorweatherconditionssuchassnowor
heavyrain.
—Whendrivingonroadsinpoorcondition.
Indicatorintheinstrumentclusterdisplay
Whenswitchingontheadaptivecruisecontrol
forthefirsttime,amessagewillappearinthe
statuslinetoindicateifpredictivecontrolis
available.
TheBeensymbolappearswhenthesystem
isregulatingthespeedtomatchaspeedlimit.If
thisisthecase,thesystemisregulatingaspeed
of50mph(80 km/h).Thespeedisthentaken
over bytheadaptivecruisecontrol.Thespeedin
thespeedometerLEDringadjuststothespeedto
bemaintained>page103,fig.100.TheauEN
=>fig.94symbolappearswhenthereisanadap-
tationtotherouteahead.
IfyouareintheDriverassistancedisplayinthe
instrumentcluster,thenthefollowingsymbols
willindicatewhichoccurrencethesystemiscur-
rentlyrespondingto:
SymbolMeaning
USAmodels:
PH
mSpeedlimit
Canadamodels:
mmEnSpeedlimit
i?Curve
JikIntersection
Te
~OTrafficcircle
A
ZAWARNING
—Readthewarningson>AinGeneralinfor-
mationonpage102andon>A\inDescrip-
tiononpage97.
—Payattentiontotrafficandtheareaaround
yourvehiclewhenpredictivecontrolis
switchedon.Thedriverisalwaysresponsible
forassessingthetrafficsituation.
—Thesystemdoesnotconsider"rightofway"
rulesanddoesnotrespondtotrafficlights,
solackofdriverattentioninthesesituations
canincreasetheriskofanaccident.
— The systemonlyconsiderstrafficsignsthat
giveaspeedLimit.
— Thepermittedspeedcanbeexceededifthe
adaptationtoaspeedlimitisincorrect.The
driverisresponsibleforadheringtotheper-
mittedspeed.
— Thespeedwhendrivingthroughcurvesmay
bedifferentfromwhatyouasadriverwould
do.Brakethevehicleyourselfwhenneeded
toreducetheriskofanaccident.
D_Thisisnotavailableinsomecountries.
100
G)Tips
—Ifaspeedlimitisdetected,thestored
speedisalsoadjustedinthespeedometer
LEDlinewhentheadaptivecruisecontrolis
notactive.
— Theadaptation by thesystemdependson
thedrivingmodesetindriveselect*.
—Switchingoffpredictive control,forexam-
plewhendrivinginlowtrafficzones,does>
Page 104 of 394
Assistsystems
Onopenroadswithnotraffic,itfunctionslikea
cruisecontrolsystem.Thestoredspeedismain-
tained.Whenapproachingavehicledriving
ahead,theadaptivecruisecontrolsystemauto-
maticallybrakestomatchthatvehicle'sspeed
andthenmaintainsthesetdistance.Assoonas
thesystemdoesnotdetectavehicledriving
ahead,adaptivecruisecontrolacceleratesupto
thestoredspeed.
Instop-and-gotraffic,adaptivecruisecontrolcan
brakeuntilthevehicleisstationaryandthencan
alsostartdrivingagainautomaticallyundercer-
tainconditions>page106.
Intrafficjamsorstop-and-gotraffic,trafficjam
assistcanassistthedriver>page107.
Whichfunctionscanbecontrolled?
Whenyouswitchadaptivecruisecontrolon,you
cansetthecurrentspeedasthe“controlspeed”
=>page103,Switchingonandoff.
Whendriving,youcanstopcruisecontrol
=page106orchangethespeed>page105at
anytime.
Youcanalsosetthedistancetothevehicledriv-
ingaheadandsetthedrivingmodeoftheadap-
tivecruisecontrol>page105.
eTreeeeuelela)
Appliesto:vehicleswithAudiadaptivecruisecontrol
B4M-0092
Fig.96Frontofthevehicle:sensorsandvideocamera
Theareaswiththeradarandultrasonicsensors
andthevideocamera>fig.96mustnot becov-
ered bystickers,depositsoranyotherobjects,
becausethiscaninterferewiththeadaptive
cruisecontrolfunction.Forinformationonclean-
102
ing,see>page346.Thesameappliesforany
modificationsmadeinthefrontarea.
Insomedrivingsituations,theadaptivecruise
controlfunctionisrestricted:
—Vehiclescanonlybedetectedwhentheyare
withinthesensordetectionzones>page101,
fig295:
—Thesystemhasalimitedabilitytodetectvehi-
clesthatareashortdistanceahead,offtothe
sideofyourvehicleormovingintoyourlane.
—Objectsthataredifficulttodetectsuchasmo-
torcycles,vehicleswithhighgroundclearance
oranoverhangingloadaredetectedlateornot
detectedatall.
—Whendrivingthroughcurves>page103.
—Whenthevehicleisstationary>page103.
Z\WARNING
Alwayspayattentiontothetrafficaround you
whenadaptivecruisecontrolisswitchedon.
Asthedriver,youarestillresponsibleforyour
ownspeedandthedistancetoothervehicles.
Theadaptivecruisecontrolisusedtoassist
you.Thedrivermustalwaystakeactionto
avoidacollision.Thedriverisalwaysresponsi-
bleforbrakingatthecorrecttime.
—Forsafetyreasons,donotuseadaptive
cruisecontrolwhentheroadsurfaceisin
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.
Page 105 of 394
4M0012721BG
Assistsystems
—Adaptivecruisecontroldoesnotrespondto
people,animals,orcrossingoroncoming
objects.
— Thefunction oftheradarsensorscanbeaf-
fectedbyreflectiveobjectssuchasguard
rails,theentrancetoatunnel,heavyrainor
ice
C)Note
Thesensorscanbedisplacedbyimpactsor
damagetothebumper,wheelhousingand
underbody.Thiscanimpair theadaptive
cruise control.HaveanauthorizedAudidealer
orauthorizedAudiServiceFacilitychecktheir
function.
@Tips
Foranexplanationonconformitywiththe
FCCregulationsintheUnitedStatesandthe
IndustryCanadaregulations,see>page373.
Incurves
Appliesto:vehicleswithAudiadaptivecruisecontrol
B4m-0093
Fig.97Example:drivingintoacurve
Whendrivingintoacurve>fig.97andoutofa
curve,theadaptivecruisecontrolmayreacttoa
vehicleintheneighboringlaneandapplythe
brakes.Youcanpreventthatbypressingtheac-
celeratorpedalbriefly.
Stationaryvehicles
Appliesto:vehicleswith Audiadaptivecruisecontrol
22. S| g|
=ooa
Fig.98Example:vehiclechanginglanesandstationaryve-
hicle
Withinthelimitsofthesystem,adaptivecruise
controlcanreacttostationaryvehicles>fig.98,
aslongasyouaredrivingslowerthan30mph
(50km/h)andthesystemclassifiesthepossible
passingmaneuveraslow.Forexample,ifavehi-
clethatwasalreadydetected@turnsorchanges
lanes,theadaptivecruisecontrolreactstothe
stationaryvehicleaheadofit@).
SyieemeieRela
Appliesto:vehicleswithAudiadaptivecruisecontrol
B4M-0231
Fig.100Instrumentcluster:adaptivecruisecontrol
103
Page 106 of 394
Assistsystems
Youcansetanyspeedbetween20mphand95
mph(30km/hand150km/h).
Indicatorlightsandmessagesintheinstrument
clusterdisplayinformyouaboutthecurrentsit-
uationandsetting.
Anadditionalindicatorappearsinthehead-up
display”.
Switchingadaptivecruisecontrolon
>Pullthelevertowardyouintoposition@
>fig.99.
Storingthespeedandactivatingregulation
>Tostorethecurrentspeed,pressthe[SET]but-
ton>fig.99.Thestoredspeedisshowninthe
speedometerintheLEDline(@)andappears
brieflyinthestatusline©)>fig.100.
>Toactivatecontrolwhenstationary,thebrake
pedalmustalsobepressed.
Switchingadaptivecruisecontroloff
>Pushtheleverawayfromyouintoposition©)
untilitclicksintoplace.ThemessageACC:off
appears.
Indicatorlights
B-Adaptivecruisecontrolisswitchedon.No
vehiclesaredetectedahead.Thestoredspeedis
maintained.
B-Avehicledrivingaheadwasdetected.The
adaptivecruisecontrolsystemregulatesthe
speedanddistancetothevehicledrivingahead
andaccelerates/brakesautomatically.
A-Adaptivecruisecontrolisswitchedon.Ave-
hiclewasdetectedahead.Yourvehicleisstation-
aryandwillnotstartdrivingautomatically.
EB-Adaptivecruisecontrolisswitchedon.No
vehiclesweredetectedahead.Yourvehicleissta-
tionaryandwillnotstartdrivingautomatically.
B-Theautomaticbrakingisnotenoughto
maintainasufficientdistancetoavehicledriving
ahead.Youmustintervene>page107,Driverin-
terventionrequest.
104
©Instrumentclusterdisplay
IftheDriverassistancedisplayisnotshownin
theinstrumentclusterdisplay,youcanopenit
usingthemultifunctionsteeringwheelbuttons
=>page16.
Basedonthegraphicdisplay,youcandetermine
ifthesystemismaintainingadistancetotheve-
hicledrivingaheadandwhatthatdistanceis.
Novehicle-novehiclewasdetecteddriving
ahead.
Silvervehicle-avehiclewasdetecteddriving
ahead.
Redvehicle-requestfordriverintervention
=>page107.
Thefivedistance barsonthegauge(©represent
the
setdistance(see>page105forinformation
onhowtochangethedistance).Ifyoufallbelow
theselecteddistance,thedistancebarsbecome
redfromthebottomupward.
ZXWARNING
Ifyoupressthe[SET]buttonwhendrivingat
speedsbelow20mph(30km/h),thevehicle
acceleratesautomaticallyupto20mph(30
km/h),whichistheminimumspeedthatcan
beset.
(i)Tips
—Ifyouswitchtheignitionortheadaptive
cruisecontrolsystemoff,thesetspeedis
erasedforsafetyreasons.
— TheElectronicStabilizationControl(ESC)
andtheAnti-Slip-Regulation(ASR)areauto-
maticallyswitchedonwhentheadaptive
cruisecontrolisswitchedon.
Page 107 of 394
4M0012721BG
Assistsystems
Changingthespeed
Appliesto:vehicleswithAudiadaptivecruisecontrol
B4M-0232
Fig.101Operatinglever:changingthespeed
>Toincrease ordecrease thespeedinsmallerin-
crements,tap thelevertoward(4)or©)
=>fig.101tothefirst level.
>Toincrease ordecrease thespeedinlargerin-
crements,briefly tapthelevertoward@)or©)
tothesecondlevel.
>Toincrease ordecrease thespeedcontinuously,
holdthelevertoward@)/G)tothefirstorsec-
ondleveluntilthemarking(@)reachesthede-
siredspeed>page103,fig.100.
Preselectingaspeed
Youcanalsopreselectthespeedwhenadaptive
cruisecontrolisnotactivebymovingtheleverin
thedesireddirection@)/©).Activatetheprevi-
ouslyselectedspeedbypullingtheleverintopo-
sition@)>page106,fig.104.
Settingthedistance
Appliesto:vehicleswithAudiadaptivecruisecontrol
B4M-0234
Fig.102Operatinglever:settingthedistance
>Taptherockerswitchtodisplaythedistance
thatiscurrentlyset.
>Toincrease ordecreasethedistanceinincre-
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,thenewlysetvalue
appearsbrieflyintheinstrumentclusterdisplay
BiforDistance3.ThisonlyoccursiftheDriver
assistancedisplayisnotcurrentlyshowninthe
display>page103,fig.100.
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),oratimedistanceof1.8seconds.
Distance4:thissettingcorrespondstoadistance
of219ft(67m)whentravelingat62mph(100
km/h),oratimedistanceof2.4seconds.
Distance5: thissettingcorrespondstoadistance
of328ft(100m)whentravelingat62mph(100
km/h),oratimedistanceof3.6seconds.
Z\WARNING
Whensettingthedistance,thedriverisre-
sponsibleforadheringtoanyapplicablelegal
regulations.>
105
Page 110 of 394
Assistsystems
In aspeedrangeunder40mph(65km/h),traffic
jamassistcanhelptokeepthevehiclewithina
lanecalculatedbythesystem.Withinthelimits
ofthe system, thesystemcontrolsthesteering
automaticallywhenadaptivecruisecontrolis
switchedon.Sincetrafficjamassistisonlyanas-
sistsystem,thedrivermustalwayskeephisor
herhandsonthesteeringwheelandbereadyto
steer.Thedrivercanoverridethecontrolatany
timebyactivelysteering.
Thesystemisdesignedfordrivingonexpress-
waysandhighways.
Switchingtrafficjamassistonandoff
>Pressthebuttontoswitchthesystemonand
off>fig.106.
>Toturnthesystemoffcompletely,selectinthe
Infotainmentsystem:[MENU]button>Vehicle
>leftcontrolbutton>Driverassistance>Traf-
ficjamassist.
Iftrafficjamassistwasdeactivatedthroughthe
Infotainmentsystem,youcancontinueoperating
theactivelaneassistusingthe>fig.106button
=>page117.Thetrafficjamassistfunctionsare
nolongeravailable.
Requirementsforusingtrafficjamassist:
—TrafficjamassistmustbeswitchedonintheIn-
fotainmentsystem.
—Adaptivecruisecontrolmustbe switchedon
andactive>page103.
Alwaysswitchofftrafficjamassistinthe
followingsituations:
—Whenincreasedattentionisneededfromthe
driver.
—Inpoorweatherconditionssuchassnowor
heavyrain.
—Whendrivingonroadsinpoorcondition.
—Inconstruction zones.
—Incitydriving.
Trafficjamassistavailability:
WhenyouareintheDriverassistanceviewinthe
instrumentclusterdisplay,theindicatorlight
turnsongyandthemessageTrafficjamassist
availableappearsifatrafficjamsituationwas
detected.YoucanopentheDriverassistancedis-
108
playusingthemultifunctionsteeringwheelbut-
tons>page16.Toactivatetrafficjamassist,you
mustpressthe>fig.106buttonandswitchon
theadaptivecruisecontrol>page103.
Indicatorlights
BandB-Trafficjamassistisswitchedon.Ve-
hiclesdrivingahead weredetected.Yourvehicle
adaptswhiledriving>fig.107.
B-Trafficjamassistswitchesoffifthedriver
doesnottake oversteeringaftermultipledriver
interventionrequests.Thesystembrakes theve-
hicleuntilit isstationary.
Z\WARNING
Always keepyourhandsonthesteeringwheel
soyoucanbereadytosteeratanytime.The
driverisalwaysresponsibleforstayingina
laneandforassessingtrafficsituations.Read
andfollowthewarningson>A\inGeneralin-
formationonpage102.Neverusetrafficjam
assistinthefollowingsituationsoryouwill
increasetheriskofanaccident.
—Drivingoffroadoronunpavedroads.Traffic
jamassistisonlydesignedforuseonpaved
roads.
—Incitydrivingorinconstructionzones.
—Oncurvingstretchesofroad.
—Innarrowlanes.
—Inuncleartrafficsituationssuchasatinter-
sectionsortollstations.
@Tips
Youarenotnecessarilyguidedtothe center
ofyourlane.