BMW Z4 2019 Owners Manual

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DisplayingwarningsDependingontheselectedwarningsettings,for
instancewarningtime,morewarningscanbe displayed.However,theremayalsobeanexcessofprematurewarningsofcriticalsituations.
PostCrashmiBrake
Concept
Intheeventofanaccident,thesystemcanbring
thevehicletoahaltautomaticallywithoutinterj
ventionbythedriverincertainsituations.This
canreducetheriskofafurthercollisionandthe
consequencesthereof.
Atstandstill Aftercomingtoahalt,thebrakeisreleasedautoj
matically.
Hardervehiclebraking
Itcanbenecessarytobringthevehicleincertain situationstoahaltquicker.
Todothis,forashorttimethebrakingpressure
appliedwhensteppingonthebrakepedalmust
behigherthanthebrakingpressureachievedby
theautomaticbrakingfunction.Thisinterrupts
automaticbraking.
Interruptingautomaticbraking
Itcanbenecessarytointerruptautomaticbrakj
ingincertainsituations,forinstanceforanevaj sivemaneuver.
Interruptautomaticbraking:
'xBypressingthebrakepedal.'xBypressingtheacceleratorpedal.Alertnessassistant
Generalinformation
Thesystemcandetectdecreasingalertnessor
fatigueofthedriverduringlong,monotonous trips,forinstanceonhighways.Inthissituation,it
isrecommendedthatthedrivertakesabreak.
Safetyinformation
WARNING
Thesystemcannotserveasasubstituteforthe
driversspersonaljudgmentinassessingone's physicalstate.Anincreasinglackofalertnessorfatiguemaynotbedetectedornotbedetectedintime.Thereisariskofanaccident.Make
surethatthedriverisrestedandalert.Adjust drivingstyletotrafficconditions.
Function
Thesystemisswitchedoneachtimedrive-ready
stateisswitchedon.
Aftertravelhasbegun,thesystemmonitorscerj
tainaspectsofthedriver'sbehavior,sothatdej
creasingalertnessorfatiguecanbedetected.
Thisproceduretakesthefollowingcriteriainto
account:
'xPersonaldrivingstyle,forinstancesteering behavior.'xDrivingconditions,forinstancelengthoftrip.
Startingatapprox.43mph/70km/h,thesystemisactiveandcanalsodisplayarecommendation
totakeabreak.
Breakrecommendation
Settings Thealertnessassistantisactiveautomatically
witheachswitchingonofdrive-readystateand
canthusdisplayabreakrecommendation.
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Thebreakrecommendationcanalsobe
switchedonoroffandadjustedviaiDrive.
ViaiDrive:1.CAR2.Settings3.Generalsettings4.FatigueandFocusAlert5.Selectdesiredsetting:'xStandard:thebreakrecommendationis
madewithadefinedvalue.'xSensitive:thebreakrecommendationis
issuedearlier.'xOff:nobreakrecommendationismade.
Display
Ifthedriverbecomeslessalertorfatigued,a
messageisdisplayedintheControlDisplaywith
therecommendationtotakeabreak.
Duringthedisplay,thefollowingsettingscanbe
selected:
'xDonotaskagain'xPlacestostop'xRemindmelater
Thebreakrecommendationisrepeatedafter
20minutes.
Afterabreak,anotherrecommendationtotakea
breakcannotbedisplayeduntilafterapproxij mately45minutes.
Systemlimits Thefunctionmaybelimitedinthefollowingsitj
uations,forinstanceandwilleitheroutputaninj
correctwarningornowarningatall:
'xWhentheclockissetincorrectly.'xWhenthevehiclespeedismainlybelow
about43mph/70km/h.'xWithasportydrivingstyle,suchasduring
rapidaccelerationorwhencorneringfast.'xInactivedrivingsituations,suchaswhen
changinglanesfrequently.'xWhentheroadsurfaceispoor.'xIntheeventofstrongsidewinds.
Thesystemisresetapprox.45minutesafter parkingthevehicle,forinstanceinthecaseofa
breakduringlongertripsonhighways.
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DrivingstabilitycontrolsystemsVehiclefeaturesandoptions
Thischapterdescribesallstandard,country-spejcificandoptionalfeaturesofferedwiththeseries. Italsodescribesfeaturesandfunctionsthatare
notnecessarilyavailableinyourvehicle,e.g.,due totheselectedoptionsorcountryversions.Thisalsoappliestosafety-relatedfunctionsandsysj
tems.Whenusingthesefunctionsandsystems,
theapplicablelawsandregulationsmustbeobj
served.
Anti-lockBrakingSystem ABS
ABSpreventslockingofthewheelsduringbrakjing.
Thevehiclemaintainsitssteeringpowereven duringfullbrakeapplications,thusincreasingacjtivesafety.
ABSisoperationaleverytimeyoustarttheenj gine.
Brakeassistant
Whenyouapplythebrakesrapidly,thesystem
automaticallyproducesthegreatestpossible brakingforceboost.Itreducesthebrakingdisjtancetoaminimumduringemergencystop.
Thissystemutilizesallofthecapabilitiesproj videdbytheAntilockBrakeSystemABS.
Donotreducethepressureonthebrakepedal forthedurationoftheemergencystop.
Adaptivebrakeassistant
IncombinationwithActiveCruiseControl,this
systemensuresthatthebrakesrespondeven morerapidlywhenbrakingincriticalsituations.
Drive-offassistant
Concept
Thissystemsupportsdrivingoffonuphillgrades.
Drivingoff
1.Holdthevehicleinplacewiththefootbrake.2.Releasethefootbrakeanddriveoffwithoutdelay.
Afterthefootbrakeisreleased,thevehicleis
heldinplaceforapprox.2seconds.
Dependingonthevehicleloading,thevehicle
mayrollbackslightly.
DSCDynamicStabilityControl
Concept
Withinthephysicallimits,thesystemhelpsto
keepthevehicleonasteadycoursebyreducing
enginespeedandbybrakingtheindividual
wheels.
Generalinformation DSCdetectsthefollowingunstabledrivingconj
ditions,forinstance:
'xFishtailing,whichcanleadtooversteering.'xLossoftractionofthefrontwheels,which canleadtoundersteering.Seite173DrivingstabilitycontrolsystemsCONTROLS173
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Safetyinformation
WARNING
Thesystemcannotserveasasubstituteforthe
driversspersonaljudgmentinassessingthe
trafficsituation.Basedonthelimitsofthesysj tem,itcannotindependentlyreacttoalltrafficsituations.Thereisariskofanaccident.Adjust
drivingstyletotrafficconditions.Watchtraffic
closelyandactivelyintervenewhereapproprij
ate.
WARNING
Whendrivingwitharoofload,forinstancewith
roof-mountedluggagerack,thevehicle'scenj
terofgravityishigher,whichincreasestherisk ofthevehicletippingincriticaldrivingsituaj
tions.Thereisariskofaccidentsorriskof
damagetoproperty.DonotdeactivateDSC
DynamicStabilityControlwhendrivingwith
roofload.
Overview
Buttoninthevehicle
DSCOFF
Deactivating/activatingDSC Generalinformation
WhenDSCisdeactivated,drivingstabilityisrej ducedduringaccelerationandwhendrivingin
curves.
Toincreasevehiclestability,activateDSCagain assoonaspossible.
DeactivatingDSC HoldthebuttondownuntilDSCOFFisdisplayedintheinstrumentclusterand
theDSCOFFindicatorlightisilluminated.
ActivatingDSC Pressthebutton.
DSCOFFandtheDSCOFFindicator
lightgoout.
Display Intheinstrumentcluster
WhenDSCisdeactivated,DSCOFFisdisplayed intheinstrumentcluster.
Indicator/warninglights Theindicatorlightlightsup:DSCisdej
activated.
Theindicatorlightflashes:DSCcontrols
thedriveandbrakingforces.
Theindicatorlightlightsup:DSChas
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DTCDynamicTractionControl
Concept
DTCisaversionoftheDSCDynamicStability
Controlwhereforwardmomentumisoptimized.
Thesystemensuresmaximumheadwayonspejcialroadconditionsorlooseroadsurfaces,forinj
stanceunplowedsnowyroads,butwithsomej whatlimiteddrivingstability.
Generalinformation WhenDTCisactivated,thevehiclehasmaxijmumtraction.Drivingstabilityislimitedduring
accelerationandwhendrivingincurves.
YoumayfinditusefultobrieflyactivateDTCin thefollowingsituations:
'xWhendrivinginslushoronuncleared,snow-coveredroads.'xWhendrivingofffromdeepsnoworlooseground.'xWhendrivingwithsnowchains.
Overview
Buttoninthevehicle
DSCOFF
Activating/deactivatingDTC
ActivatingDTC Pressthebutton.
TRACTIONisdisplayedintheinstruj
mentclusterandtheindicatorlightforDSCOFF lightsup.
DeactivatingDTC Pressthebuttonagain.
TRACTIONandtheDSCOFFindicator
lightgoout.
Display Displayintheinstrumentcluster
IfDTCisactivated,TRACTIONisdisplayedin theinstrumentcluster.
Indicator/warninglights Theindicatorlightlightsup:DTCisactij
vated.
Automaticprogramchange
Incertainsituations,theDSCisactivatedautoj
matically:'xIfActiveCruiseControlwithStop&Gofuncj
tionACCisactivated.'xOnabrakinginterventionbytheIntelligent
Safetysystems.'xThevehiclehasaflattire.
Msportdifferential
TheactiveMdifferentialprovidesforcontinuj
ouslyvariablelockingoftherearaxledifferential
dependingonthedrivingsituation.Thisprevents
spinningofasinglerearwheelandtherebyproj
videsoptimaltractioninanydrivingsituation.
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Thedriverisresponsibleadaptinghisorherdrivjingstyletothesituation.
Variablesportsteering
Thevariablesportsteeringfacilitatesadirectand
agiledrivingstylewithlittlesteeringeffort.The
variablesportssteeringworksindependentlyof
thecurrentspeed,varyingthesteeringratioin
linewiththesteeringangle.
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DriverassistancesystemsVehiclefeaturesandoptions
Thischapterdescribesallstandard,country-spejcificandoptionalfeaturesofferedwiththeseries. Italsodescribesfeaturesandfunctionsthatare
notnecessarilyavailableinyourvehicle,e.g.,due totheselectedoptionsorcountryversions.Thisalsoappliestosafety-relatedfunctionsandsysj
tems.Whenusingthesefunctionsandsystems,
theapplicablelawsandregulationsmustbeobj
served.
ManualSpeedLimiter
Concept
Thesystemcanbeusedtosetaspeedlimit,for instancetopreventthevehiclefromexceeding
speedlimits.
Generalinformation Thesystemcanlimitthespeed,startingata
valueof20mph/30km/h.Thevehiclecanbe drivenatanyspeedbelowthesetspeedlimit.
OverviewButtonsonthesteeringwheel
ButtonFunctionSystemon/off,refertopage 177.Storecurrentspeed.Rockerswitch:
Changingthespeedlimit,referto
page 178.Operation
Switchingon Pressthebuttononthesteeringwheel.
Thecurrentspeedisacceptedasthespeed limit.
Ifthesystemisswitchedonwhilethevehicleis stationaryordrivingatlowspeeds,
20mph/30km/hissetasthespeedlimit.
Themarkinginthespeedometerissettotherejspectivespeed.
Whenthespeedlimitisswitchedon,DSCDyj namicStabilityControlisswitchedonaswell,if
needed,andswitchestoCOMFORTdriving
modeifapplicable.
Switchingoff Pressthebuttononthesteeringwheel.
Thesystemswitchesoffautomaticallyinthefolj
lowingsituations,forexample:'xWhentheengineisswitchedoff.'xWhencruisecontrolisswitchedon.'xSeveralprogramscanbeactivatedviathe DrivingDynamicsControl.
Thedisplaysgoout.
Interrupting Ifthereversegearisengagedoridle,thesystemisinterrupted.
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Changingthespeedlimit
Presstherockerswitchupordownrepeatedlyuntilthedesiredspeedlimitisset.
'xEachtimetherockerswitchispressedtotheresistancepoint,thespeedlimitincreasesor
decreasesby1mph/1km/h.'xEachtimetherockerswitchispressedpast
theresistancepoint,thedesiredspeed
changesbyamaximumof5mph/10km/h.
Ifthesetspeedlimitisreachedorunintentionally
exceeded,suchaswhendrivingdownhill,thevej
hicleisnotactivelybraked.
Ifthespeedlimitissetduringatriptoavaluebej lowthecurrentspeed,thevehiclecoastsuntilitdropstothesetspeedlimit.
Thecurrentspeedcanalsobestoredbypressj
ingabutton:
Pressthebuttononthesteeringwheel.
Exceedingthespeedlimit Ifthevehiclespeedexceedsthesetspeedlimit,awarningisissued.
Thespeedlimitcanbeexceededintentionally.
Thereisnowarninginthiscase.
Presstheacceleratorpedalallthewaydownto intentionallyexceedthesetspeedlimit.
Whenthevehiclespeeddropsbelowtheset speedlimit,thelimitisautomaticallyreactivated.
Warningwhenthespeedlimitis
exceeded
Visualwarning Ifthespeedlimitisexceeded:theindicaj
torlightintheinstrumentclusterflashes
whilethevehiclespeedisgreaterthan
thesetspeedlimit.
Acousticwarning'xIfthespeedlimitisexceededunintentionally,
asignalsounds.'xIfthespeedlimitisreducedtobelowthevej
hiclespeedwhiledriving,thesignalsounds
aftersometime.'xIfthespeedlimitisintentionallyexceededby steppingontheacceleratorpedalalltheway
down,thereisnosignal.
Displaysintheinstrument
cluster
Displayinthespeedometer
'xGreenmarking:systemisacj
tive.'xGreymarking:systemisinterj
rupted.'xNomarking:systemis
switchedoff.
Indicatorlight
'xTheindicatorlightlightsup:thesysj
temisswitchedon.'xTheindicatorlightflashes:theset
speedlimithasbeenexceeded.'xGrayindicatorlight:thesystemhasbeeninj terrupted.Seite178CONTROLSDriverassistancesystems178
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Statusdisplay
Withtheproperequipment,thevalueofthe
speedlimitsettingisbrieflydisplayeddigitally.
Cruisecontrol
Concept
Usingthissystem,adesiredspeedcanbeadj
justedusingthebuttonsonthesteeringwheel. Thesystemmaintainsthedesiredspeed.The
systemacceleratesandbrakesautomaticallyas
needed.
GeneralinformationDependingonthevehiclesetting,thecruise
controlcharacteristiccanchangeincertain ranges.Forinstance,theaccelerationinECOPROdrivingmodeismoregentle.
Safetyinformation
WARNING
Thesystemcannotserveasasubstituteforthe driversspersonaljudgmentinassessingthe
trafficsituation.Basedonthelimitsofthesysj tem,itcannotindependentlyreacttoalltrafficsituations.Thereisariskofanaccident.Adjust
drivingstyletotrafficconditions.Watchtraffic
closelyandactivelyintervenewhereapproprij
ate.
WARNING
Theuseofthesystemcanleadtoanincreased riskofaccidentsinthefollowingsituations,
forinstance:
'xOnwindingroads.'xInheavytraffic.'xOnslipperyroads,infog,snow,orwet conditions,oronalooseroadsurface.Thereisariskofaccidentsorriskofdamageto
property.Onlyusethesystemifdrivingatconj
stantspeedispossible.
WARNING
Thedesiredspeedcanbeincorrectlyadjusted
orcalledupbymistake.Thereisariskofanacj
cident.Adjustthedesiredspeedtothetraffic conditions.Watchtrafficcloselyandactivelyinj
tervenewhereappropriate.
Overview
Buttonsonthesteeringwheel
ButtonFunctionCruisecontrolon/off,referto
page 179.Continuecruisecontrolwiththelast
setting,refertopage 181.Pausecruisecontrol,referto
page 180.Storecurrentspeed.Rockerswitch:
Setspeed,refertopage 180.
Switchingcruisecontrolon/off
Switchingon Pressthebuttononthesteeringwheel.
Theindicatorlightsintheinstrumentclusterlight upandthemarkinthespeedometerissettothecurrentspeed.
Cruisecontrolisactive.Thecurrentspeedis
maintainedandstoredasdesiredspeed.
DSCDynamicStabilityControlisswitchedon,if
necessary.
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SwitchingoffPressthebuttononthesteeringwheel.
Thedisplaysgoout.Thestoreddesiredspeedis
deleted.
Pausingcruisecontrol
Interruptingmanually Whenactive,pressthebutton.
Interruptingautomatically Thesystemisautomaticallyinterruptedinthe
followingsituations,forexample:'xWhenthedriverappliesthebrakes.'xSteptronictransmission:whenselectorlever
positionDisdisengaged.'xDynamicTractionControlDTCisactivatedor
DSCDynamicStabilityControlisdeactivated.'xIfDSCDynamicStabilityControlintervenes.'xWhenSPORTPLUSisactivatedwithDriving DynamicsControl.
Settingthespeed
Maintainingandstoringthespeed
Presstherockerswitchupordownoncewhilethesystemisinterrupted.
Whenthesystemisswitchedon,thecurrent
speedismaintainedandstoredasthedesired
speed.
Thestoredspeedisdisplayed,referto
page 181,onthespeedometer.
DSCDynamicStabilityControlisswitchedon,if
necessary.
Thespeedcanalsobestoredbypressingabutj ton.
Pressthebutton.
Changingthespeed
Presstherockerswitchupordownrepeatedly untilthedesiredspeedisset.
Ifactive,thedisplayedspeedisstoredandthe
vehiclereachesthestoredspeedwhentheroad isclear.
'xEachtimetherockerswitchispressedtotheresistancepoint,thedesiredspeedincreases
ordecreasesby1mph/1km/h.'xEachtimetherockerswitchispressedpast
theresistancepoint,thedesiredspeed
changesbyamaximumof5mph/10km/h.
Themaximumspeedthatcanbesetdej
pendsonthevehicle.'xPressingtherockerswitchtotheresistance
pointandholdingitacceleratesordecelerj
atesthevehiclewithoutrequiringpressureon
theacceleratorpedal.
Aftertherockerswitchisreleased,thevehij clemaintainsitsfinalspeed.Pressingthe
switchbeyondtheresistancepointcauses
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