BMW Z4 2022 Owners Manual

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er#ssManualregardingthescopeofthesys#j
tem#ssoperationandlimitations.
Upperspeedlimit Ifthevehiclespeedexceedsapprox.
155mph/250km/h,thesystemisdeactivated
temporarily.
Ifthevehiclespeedfallsbelowapprox.
155mph/250km/h,thesystemonceagainre#j
spondsaccordingtothesetting.
Systemlimitsofthesensors Additionalinformation:'xRadarsensors,refertopage 36.
Functionallimitations
Thesystemmaybelimitedinthefollowingsitua#j
tions:
'xWhenavehicleisapproachingataspeed
muchfasterthanyourown.'xIntightcurvesoronnarrowroads.'xThebumperisdirty,iceduporcovered,
forinstancebystickers.
ACheckControlmessageisdisplayedwhenthe
systemisnotfullyfunctional.
Displayingwarnings Dependingontheselectedwarningsettings,
e.g.,warningtime,moreorfewerwarningscan
bedisplayed.However,theremayalsobeanex#j
cessofprematurewarningsofcriticalsituations.
Rear-endcollisionpreparation
Principle
Dependingontheequipmentandnational-mar#j
ketversion,therear-endcollisionpreparationcan reacttovehiclesapproachingfrombehind.
Generalinformation
Radarsensorsmonitortheareabehindthevehi#jcle.
Whenavehicleapproachesfromtherearata certainspeed,thesystemcanreactasasfol#j
lows:
'xWhereapplicable,thehazardwarningflashers
willbeswitchedon.'xWhereapplicable,thePreCrashfunctionsare
triggered.
Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driver#sspersonaljudgmentinassessingvisibility andtrafficsituation.Thereisariskofaccident.
Adjustdrivingstyletotrafficconditions.Watch
trafficcloselyandactivelyintervenewhereap#j propriate.
Warning
Indicatorsandwarningscannotserveasasub#j
stituteforthedriver#sspersonaljudgment.Due
toitslimits,thesystemmaynotissuewarnings
orreactions,orthesemaybeissuedlateorina
mannerthatisnotconsistentwiththeirnormal
use.Thereisariskofaccident.Adjustdriving
styletotrafficconditions.Watchtrafficclosely
andactivelyintervenewhereappropriate.
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OverviewSensors
Thesystemiscontrolledbythefollowingsen#j
sors:'xRadarsensors,side,rear.
Additionalinformation:
Sensorsofthevehicle,refertopage 35.
Switchingon/off Thesystemisautomaticallyactivewhentheve#j
hicleisturnedon.
Thesystemisdeactivatedinthefollowingsitua#j tions:
'xWhendrivinginreverse.
Systemlimits
Systemlimitsofthesensors Additionalinformation:
'xRadarsensors,refertopage 36.
Functionallimitations
Thesystemmaynotbefullyfunctionalinthefol#j
lowingsituations:
'xWhenavehicleisapproachingataspeed
muchfasterthanyourown.'xTheapproachingvehicleisapproaching slowly.
PostCrashmiBrake
Principle
Intheeventofanaccident,PostCrashcanbring thevehicletoahaltautomaticallywithoutinter#j
ventionbythedriverincertainsituations.
Generalinformation
PostCrashcanreducetheriskofanothercolli#j
sionandsubsequentconsequences.
Atstandstill
Aftercomingtoahalt,thebrakeisreleasedauto#j matically.
Hardervehicledeceleration
Incertainsituations,itcanbenecessarytobring thevehicletoahaltmorequicklythantheBrakeAssistantallows.
Todothis,quicklyapplyextraforcetothebrake.
Forabriefperiod,thebrakingpressurewillbe
higherthanthebrakingpressurethatisachieved bytheautomaticbrakingfunction.Automatic
brakingisinterrupted.
Interruptingautomaticbraking
Itcanbenecessarytointerruptautomaticbrak#j
ingincertainsituations,forinstanceforaneva#j sivemaneuver.
Interruptautomaticbraking:'xBypressingthebrakepedal.'xBypressingtheacceleratorpedal.
Fatiguealert
Principle
TheFatigueAlertcandetectdecreasingalert#j
nessorfatigueofthedriverduringlong,monoto#j noustrips,forinstanceonhighways.Thesystemrecommendsabreak.
Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe driver#sspersonaljudgmentinassessingone's physicalstate.Anincreasinglackofalertnessorfatiguemaynotbedetectedornotbedetectedintime.Thereisariskofaccident.Makesure
thatthedriverisrestedandalert.Adjustdriving
styletotrafficconditions.
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Function
Thesystemisswitchedoneachtimedrive-ready
stateisswitchedon.
Aftertravelhasbegun,thesystemmonitorscer#j tainaspectsofthedriver'sbehavior,sothatde#j
creasingalertnessorfatiguecanbedetected.
Thisproceduretakesthefollowingcriteriainto account:'xPersonaldrivingstyle,forinstancesteeringbehavior.'xDrivingconditions,forinstancetime,lengthof
trip.
Startingatapprox.43mph/70km/h,thesystem isactiveandcanalsodisplayarecommendation
totakeabreak.
Breakrecommendation
Adjusting Thefatiguealertisactiveautomaticallywitheachswitchingonofdrive-readystateandcanthusdisplayabreakrecommendation.
Thebreakrecommendationcanalsobe
switchedonoroffandadjustedviaiDrive.
1."CAR"2."Settings"3."Generalsettings"4."FatigueandFocusAlert"5.Selectthedesiredsetting.
Display
Ifthedriverbecomeslessalertorfatigued,a
messageisdisplayedintheControlDisplaywith
therecommendationtotakeabreak.
Duringthedisplay,varioussettingscanbese#j
lected.
Afterabreak,anotherrecommendationtotakea
breakcannotbedisplayeduntilafterapproxi#j mately45minutes.
Systemlimits
Thefunctionmaybelimitedinthefollowingsit#j
uationsandmayissueanincorrectwarningorno
warningatall:'xWhenthetimeissetincorrectly.'xWhenthevehiclespeedismainlybelow
about43mph/70km/h.'xWithasportydrivingstyle,suchasduring
rapidaccelerationorwhencorneringfast.'xInactivedrivingsituations,suchaswhen
changinglanesfrequently.'xWhentheroadconditionispoor.'xIntheeventofstrongsidewinds.
Thesystemisresetapprox.45minutesafter parkingthevehicle,forinstanceinthecaseofa
breakduringlongertripsonhighways.
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DrivingstabilitycontrolsystemsVehiclefeaturesandoptions
Thischapterdescribesallstandard,country-spe#jcificandoptionalfeaturesofferedwiththeseries. Italsodescribesfeaturesandfunctionsthatare
notnecessarilyavailableinyourvehicle,e.g.,due totheselectedoptionsorcountryversions.Thisalsoappliestosafety-relatedfunctionsandsys#j
tems.Whenusingthesefunctionsandsystems,
theapplicablelawsandregulationsmustbeob#j
served.
AntilockBrakingSystem ABS
TheAntilockBrakingSystem(ABS)preventslockingofthewheelsduringbraking.
Thevehiclemaintainsitssteerabilityevenduring
emergencybraking,whichincreasestheactive
drivingsafety.
ABSisoperationaleverytimeyoustarttheen#j gine.
Brakeassistant
TheBrakeAssistanteffectsmaximumbrakingassistancewhenthebrakeisappliedquickly.Itreducesthebrakingdistancetoaminimumdur#jingemergencybraking.TheadvantagesoftheAntilockBrakingSystem(ABS)aretherebyuti#j
lized.
Donotreducethepressureonthebrakepedal forthedurationofemergencybraking.
Adaptivebrakeassistant
IncombinationwithActiveCruiseControlACC,
thissystemensuresthatthebrakesrespond
evenmorerapidlywhenbrakingincriticalsitua#j tions.
Drive-offassistant
Principle
Thedrive-offassistantsupportsdrivingoffon uphillgrades.
Drivingoff
1.Holdthevehicleinplacewiththefootbrake.2.Releasethefootbrakeanddriveoffwithout delay.
Afterthefootbrakeisreleased,thevehicleis
heldinplaceforapprox.2seconds.
Dependingonthevehicleloading,thevehicle
mayrollbackslightly.
DSCDynamicStabilityControl
Principle
TheDynamicStabilityControl(DSC)helpsto
keepthevehicleonasteadycoursebyreducing drivepowerandbybrakeinterventiononindivid#jualwheels.
Generalinformation DSCdetectsthefollowingunstabledrivingcon#j
ditions,forinstance:
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'xSkidding,whichcanleadtooversteering.'xLossofadhesionofthefrontwheels,which
canleadtoundersteering.
Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driver#sspersonaljudgmentinassessingthe
trafficsituation.Basedonthelimitsofthesys#j
tem,itcannotindependentlyreacttoalltrafficsituations.Thereisariskofaccident.Adjust
drivingstyletotrafficconditions.Watchtraffic
closelyandactivelyintervenewhereappropri#j
ate.
Warning
Whendrivingwitharoofload,forinstancewith roof-mountedluggagerack,thevehicle'scen#j
terofgravityishigher,whichincreasestherisk ofthevehicletippingincriticaldrivingsitua#j
tions.Theremaybeariskofaccidentorriskof damagetoproperty.DrivingwithroofloadonlywithactivatedDynamicStabilityControl.
Overview
Buttoninthevehicle
DSCOFF
Deactivating/activatingDSC Generalinformation
WhenDSCisdeactivated,drivingstabilityisre#j ducedduringaccelerationandwhendrivingin
curves.
Toincreasedrivingstability,activateDSCagain assoonaspossible.
DeactivatingDSC HoldthebuttondownuntilDSCOFFisdisplayedintheinstrumentclusterand
theDSCOFFindicatorlightisilluminated.
ActivatingDSC Pressthebutton.
DSCOFFandtheDSCOFFindicator
lightturnoff.
Display Intheinstrumentcluster
WhenDSCisdeactivated,DSCOFFisdisplayed
intheinstrumentcluster.
Indicator/warninglights Theindicatorlightlightsup:DSCisde#j
activated.
Theindicatorlightflashes:DSCcontrols thedriveandbrakingforces.
Theindicatorlightlightsup:DSChas
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DTCDynamicTractionControl
Principle
DynamicTractionControl(DTC)isaversionof
theDynamicStabilityControl(DSC)wheredrive
powerisoptimized.
Thesystemensuresmaximumdrivepoweron unusualroadconditions,forinstanceunplowed
snowcoveredroads,orlooseroadsurfaces,but
withsomewhatlimiteddrivingstability.
Generalinformation WhenDTCisactivated,thevehiclehasmaxi#jmumtraction.Drivingstabilityislimitedduring
accelerationandwhendrivingincurves.
YoumayfinditusefultobrieflyactivateDTCinthefollowingsituations:
'xWhendrivinginslushoronuncleared,snow-coveredroads.'xWhendrivingofffromdeepsnoworlooseground.'xWhendrivingwithtirechains.
Overview
Buttoninthevehicle
DSCOFF
Activating/deactivatingDTC
ActivatingDTC Pressthebutton.
TRACTIONisdisplayedintheinstru#j
mentclusterandtheindicatorlightforDSCOFF lightsup.
DeactivatingDTC Pressthebuttonagain.
TRACTIONandtheDSCOFFindicator
lightturnoff.
Display Displayintheinstrumentcluster
IfDTCisactivated,TRACTIONisdisplayedin theinstrumentcluster.
Indicator/warninglights Theindicatorlightlightsup:DTCisacti#j
vated.
Automaticprogramchange Incertainsituations,theDynamicStabilityCon#jtrol(DSC)isactivatedautomatically:'xIfActiveCruiseControlwithStop&Gofunc#j
tionACCisactivated.'xOnabrakeinterventionbytheIntelligent
Safetysystems.'xThevehiclehasaflattire.
Msportdifferential
TheactiveMdifferentialprovidesforcontinu#j
ouslyvariablelockingoftherearaxledifferential
dependingonthedrivingsituation.Thisprevents
spinningofasinglerearwheelandtherebypro#j
videsoptimaltractioninanydrivingsituation.
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Thedriverisresponsibleadaptinghisorherdriv#jingstyletothesituation.
Variablesportsteering
Thevariablesportsteeringfacilitatesdirectandagilehandlingwithlittlesteeringeffort.Thevaria#jblesportssteeringworksindependentlyofthecurrentspeed,varyingthesteeringratioinlinewiththesteeringangle.
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DriverassistancesystemsVehiclefeaturesandoptions
Thischapterdescribesallstandard,country-spe#jcificandoptionalfeaturesofferedwiththeseries. Italsodescribesfeaturesandfunctionsthatare
notnecessarilyavailableinyourvehicle,e.g.,due totheselectedoptionsorcountryversions.Thisalsoappliestosafety-relatedfunctionsandsys#j
tems.Whenusingthesefunctionsandsystems,
theapplicablelawsandregulationsmustbeob#j
served.
ManualSpeedLimiter
Principle
Thesystemcanbeusedtosetaspeedlimit,for instancetopreventthevehiclefromexceeding
speedlimits.
Generalinformation Thesystemcanlimitthespeed,startingata
valueof20mph/30km/h.Thevehiclecanbe drivenatanyspeedbelowthesetspeedlimit.
OverviewButtonsonthesteeringwheel
ButtonFunctionSystemon/off.Storecurrentspeed.
SpeedLimitAssistant:acceptsug#j
gestedspeedmanually.Rockerswitch:
Changingthespeedlimit.Operation
Turningon Pressthebuttononthesteeringwheel.
Thecurrentspeedisacceptedasthespeed
limit.
Ifthesystemisswitchedonwhilethevehicleis
stationaryordrivingatlowspeeds,
20mph/30km/hissetasthespeedlimit.
Themarkinginthespeedometerissettothe correspondingspeed.
Whenthespeedlimitisswitchedon,DSCDy#j
namicStabilityControlandCOMFORTdriving
modemaybeswitchedonaswell.
Turningoff Pressthebuttononthesteeringwheel.
Thesystemswitchesoffautomaticallyinthefol#j lowingsituations,forexample:'xWhentheengineisswitchedoff.'xWhencruisecontrolisswitchedon.'xWhencertainprogramsareactivatedviatheDrivingDynamicsControl.
Thedisplaysturnoff.
InterruptingIfthereversegearisengagedoratidle,thesys#j
temisinterruptedwhenrollingbackwards.
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Changingthespeedlimit
Presstherockerswitchupordownrepeatedlyuntilthedesiredspeedlimitisset.
'xEachtimetherockerswitchispressedtotheresistancepoint,thespeedlimitincreasesor
decreasesby1mph/1km/h.'xEachtimetherockerswitchispressedpast
theresistancepoint,thedesiredspeed
changesbyamaximumof5mph/10km/h.
Ifthesetspeedlimitisreachedorunintentionally
exceeded,suchaswhendrivingdownhill,theve#j
hicleisnotactivelybraked.
Whenthespeedlimitissetduringatriptoa
valuebelowthecurrentspeed,thevehicle
coastsuntilitdropstothesetspeedlimit.
Thecurrentspeedcanalsobestoredbypress#j ingabutton:
Pressthebuttononthesteeringwheel.
Exceedingthespeedlimit Whenthevehiclespeedexceedsthesetspeedlimit,awarningisissued.
Thespeedlimitcanbeexceededintentionally.
Thereisnowarninginthiscase.
Presstheacceleratorpedalallthewaydownto
intentionallyexceedthesetspeedlimit.
Whenthevehiclespeeddropsbelowtheset
speedlimit,thelimitisautomaticallyreactivated.
Warningwhenthespeedlimitis
exceeded
Visualwarning Ifthespeedlimitisexceeded:theindica#j
torlightintheinstrumentclusterflashes
whilethevehiclespeedisgreaterthan
thesetspeedlimit.
Acousticwarning'xIfthespeedlimitisexceededunintentionally,
asignalsounds.'xWhenthespeedlimitisreducedtobelowthe
vehiclespeedwhiledriving,thesignalsounds
aftersometime.'xWhenthespeedlimitisintentionallyex#j ceededbysteppingontheacceleratorpedalallthewaydown,thereisnosignal.
Displaysintheinstrument
cluster
DisplayinthespeedometerDependingontheequipment,amarkinthe
speedometerdisplaysthestatusofthesystem.
'xGreenmarking:systemisac#j
tive.'xGreymarking:systemisinter#j
rupted.'xNomarking:systemis
switchedoff.
Indicatorlight
'xTheindicatorlightlightsup:thesys#j
temisswitchedon.'xTheindicatorlightflashes:theset
speedlimithasbeenexceeded.'xGrayindicatorlight:thesystemhasbeenin#j terrupted.Seite189DriverassistancesystemsCONTROLS189
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Cruisecontrol
Principle
WiththeCruiseControl,asetspeedcanbead#j justedusingthebuttonsonthesteeringwheel. Thesystemmaintainsthesetspeed.Thesys#j
temacceleratesandbrakesautomaticallyas
needed.
Generalinformation Thesystemcanbeactivatedstartingat
20mph/30km/h.
Dependingonthevehiclesetting,thecruise
controlsettingsmaychangeundercertaincondi#j
tions.Forinstance,accelerationcanchangede#j
pendingonthedrivingmode.
Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driver#sspersonaljudgmentinassessingthe
trafficsituation.Basedonthelimitsofthesys#j
tem,itcannotindependentlyreacttoalltraffic situations.Thereisariskofaccident.Adjust
drivingstyletotrafficconditions.Watchtraffic
closelyandactivelyintervenewhereappropri#j
ate.
Warning
Theuseofthesystemcanleadtoanincreased riskofaccidentsinthefollowingsituations, forinstance:
'xOnwindingroads.'xInheavytraffic.'xOnslipperyroads,infog,snow,orwet
conditions,oronalooseroadsurface.
Theremaybeariskofaccidentorriskofdam#j agetoproperty.Onlyusethesystemifdriving
atconstantspeedispossible.
Warning
Thesetspeedcanbeincorrectlyadjustedor calledupbymistake.Thereisariskofaccident.
Adjustthesetspeedtothetrafficconditions.
Watchtrafficcloselyandactivelyintervene whereappropriate.
Overview
Buttonsonthesteeringwheel
ButtonFunctionCruisecontrolon/off.Continuecruisecontrolwiththelast
setting.Pausecruisecontrol.Storecurrentspeed.
SpeedLimitAssistant:acceptsug#j
gestedspeedmanually.Rockerswitch:
Setspeed.
Switchingcruisecontrolon/off
Turningon Dependingontheequipmentversion,presstherelevantbuttononthesteer#j
ingwheel.
Theindicatorlightsintheinstrumentclusterlight upandthemarkingonthespeedometerissetto
thecurrentspeed.
Cruisecontrolisactive.Thecurrentspeedis
maintainedandstoredassetspeed.
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