BMW X4 2021 Owners Manual

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Systemlimits
Safetyinformation
Warning
Thesystemisdesignedtooperateincertain conditionsandcircumstances.Duetocondi#j
tionsorotherfactors,thesystemmaynotre#j
spond.Theremaybeariskofaccidentorrisk ofdamagetoproperty.Activelyinterveneas
warranted.RefertotheinformationinthisOwn#j
er#ssManualregardingthescopeofthesys#j
tem#ssoperationandlimitations.
Functionallimitations
Thesystemmaynotbefullyfunctionalinthefol#j
lowingsituations:
'xWhenavehicleisapproachingataspeed
muchfasterthanyourown.'xInheavyfog,wetconditions,orsnowfall.'xIntightcurvesoronnarrowlanes.'xIfthebumperisdirty,icedup,orcovered, forinstancebystickers.'xAfterimproperlyperformedworkonthevehi#j
clepaint.'xIfcargoprotrudes.'xIntheeventofmissing,worn,poorlyvisible,
merging,diverging,ormultiplelanemarkings
suchasinconstructionareas.'xWhenlanemarkingsarecoveredinsnow,ice,
dirtorwater.'xWhenlanemarkingsarecoveredbyobjects.'xWhendrivingveryclosetothevehicleinfront
ofyou.'xIfthereareconstantblindingeffectsbecause
ofoncominglight,forinstancefromthesun lowinthesky.'xIfthefieldofviewofthecameraorthewind#jshieldisdirtyorcoveredintheareaofthein#j
teriormirror.'xIfthecamerahasoverheatedandbeentem#j
porarilyswitchedoffduetoexcessivelyhigh
temperatures.'xUpto10secondsafterthestartoftheengine
viatheStart/Stopbutton.'xDuringcalibrationofthecameraimmediately
aftervehicledelivery.
Attachinganyobjectssuchasstickersorfilmin thebeamareaoftheradarsensorswillalsoim#jpactthefunctionoftheradarsensorsandmayevencausethemtofail.
ACheckControlmessageisdisplayedwhenthe
systemisnotfullyfunctional.
Rearcollisionpreparation
Concept
Thesystemreactstovehiclesapproachingfrom
behind.
Generalinformation
Tworadarsensorsintherearbumpermonitor theareabehindthevehicle.
Whenavehicleapproachesfromtherearata certainspeed,thesystemrespondsasfollows:
'xActiveProtection:whenacollisionseemsto
beunavoidable,PreCrashfunctionsaretrig#j gered.Seite181SafetyCONTROLS181
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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.
Overview
Radarsensors
Theradarsensorsarelocatedintherearbumper.
Alwayskeepthebumperintheareaoftheradar
sensorscleanandunobstructed.
Switchingon/off Thesystemisautomaticallyactiveaftereverydrivingoff.
Thesystemisdeactivatedinthefollowingsitua#j
tions:'xWhendrivinginreverse.
Systemlimits
Thesystemmaynotbefullyfunctionalinthefol#j
lowingsituations:
'xWhenavehicleisapproachingataspeed
muchfasterthanyourown.'xWhentheapproachingvehicleapproaches
slowly.'xInheavyfog,wetconditions,orsnowfall.'xIntightcurvesoronnarrowlanes.'xIfthebumperisdirty,icedup,orcovered, forinstancebystickers.'xIfthefieldofviewofthesensorsiscovered,e.g.,bygaragewalls,hedgesorsnowhills.'xIfcargoprotrudes.
Brakeforcedisplay
Concept
Additionalbrakelightsindicateemergencybrak#j
ingtothetrafficbehind.Thiscanreducetherisk
ofarear-endcollision.
Generalinformation
'xDuringnormalbrakeapplication,theouter
brakelightslightup.'xDuringheavybrakeapplication,theinner
brakelightsadditionallylightup.Seite182CONTROLSSafety182
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ActiveProtection
Concept
ActiveProtectionpreparesoccupantsandthe
vehicleforapossibleaccidentincriticaldrivingor
collisionsituations.
Generalinformation ActiveProtectionconsistsofvariousPreCrash
functions,whichcanvarydependingonthe
equipment.
Thesystemisusedtodetectcertaincriticaldriv#j
ingsituationsthatmightleadtoanaccident.This
includesthefollowingcriticaldrivingsituations:
'xEmergencystop.'xSevereundersteering.'xSevereoversteering.
Certainfunctionsofseveralsystemscan,within thesystemlimits,leadtoActiveProtectiontrig#j
gering:
'xFrontcollisionmitigation:automaticbrakein#j
tervention.'xFrontcollisionmitigation:BrakeAssistant.'xRearcollisionpreparation:detectionofimmi#j
nentrearcollisions.
Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driver#sspersonaljudgment.Duetothesystem
limits,criticalsituationcouldnotbedetected reliablyorintime.Thereisariskofaccident.
Adjustdrivingstyletotrafficconditions.Watch
trafficcloselyandactivelyintervenewhereap#j propriate.
Function
Whenthesafetybeltisfastened,thedriver'sand
passenger'sbeltstrapsareautomaticallytight#j
enedonceafterdrivingaway.
Inaccident-criticalsituations,thefollowingindi#j
vidualfunctionsbecomeactiveasneeded:'xAutomaticpretensioningofthefrontsafety
belts.'xAutomaticwindowclosinguptoanarrow gap.'xAutomaticclosingofthepanoramicglasssunroof,includingsunprotection.'xForvehiclesequippedwithcomfortseatsin
thefront:automaticpositioningoftheback#j
restforthefrontpassengerseat.
Afteracriticaldrivingsituationwithoutanacci#j dent,thefrontsafetybeltsareloosenedagain.
Ifthebelttensiondoesnotloosenautomatically,
stopthevehicleandunbucklethesafetybeltus#j ingtheredbuttoninthebuckle.Fastenthe
safetybeltbeforecontinuingonyourtrip.
Allothersystemscanberestoredtothedesired
setting.
PostCrashmiBrake
Concept
Intheeventofanaccident,thesystemcanbring
thevehicletoahaltautomaticallywithoutinter#j
ventionbythedriverincertainsituations.This
canreducetheriskofafurthercollisionandthe
consequencesthereof.
Atstandstill
Aftercomingtoahalt,thebrakeisreleasedauto#j matically.
Hardervehiclebraking
Incertainsituations,itcanbenecessarytobring
thevehicletoahaltmorequicklythantheBrake Assistantallows.
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Todothis,quicklyapplyextraforcetothebrake.Forabriefperiod,thebrakingpressurewillbe
higherthanthebrakingpressurethatisachieved bytheautomaticbrakingfunction.Thisinterrupts
automaticbraking.
Interruptingautomaticbraking
Itcanbenecessarytointerruptautomaticbrak#j
ingincertainsituations,forinstanceforaneva#j sivemaneuver.
Interruptautomaticbraking:'xBypressingthebrakepedal.'xBypressingtheacceleratorpedal.
Fatiguealert
Concept
Thesystemcandetectdecreasingalertnessor
fatigueofthedriverduringlong,monotonous trips,forinstanceonhighways.Inthissituation,it
isrecommendedthatthedrivertakesabreak.
Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driver#sspersonaljudgmentinassessingone's physicalstate.Anincreasinglackofalertnessor
fatiguemaynotbedetectedornotbedetected intime.Thereisariskofaccident.Makesure
thatthedriverisrestedandalert.Adjustdriving
styletotrafficconditions.
Function
Thesystemisswitchedoneachtimedrive-ready
stateisswitchedon.
Aftertravelhasbegun,thesystemmonitorscer#j
tainaspectsofthedriver'sbehavior,sothatde#j
creasingalertnessorfatiguecanbedetected.
Thisproceduretakesthefollowingcriteriainto
account:
'xPersonaldrivingstyle,forinstancesteering behavior.'xDrivingconditions,forinstancetime,lengthof
trip.
Startingatapprox.43mph/70km/h,thesystem isactiveandcanalsodisplayarecommendation
totakeabreak.
Breakrecommendation
Switchingon/off,adjusting Thefatiguealertisactiveautomaticallywitheach
switchingonofdrive-readystateandcanthus displayabreakrecommendation.
Thebreakrecommendationcanalsobe
switchedonoroffandadjustedviaiDrive.
ViaiDrive:
1."MyVehicle"2."Vehiclesettings"3."Driverattentioncontrol"4.Selectthedesiredsetting:'x"Off":nobreakrecommendationismade.'x"Standard":thebreakrecommendationis
madewithadefinedvalue.'x"Sensitive":thebreakrecommendationis
issuedearlier.
Display
Ifthedriverbecomeslessalertorfatigued,a
messageisdisplayedintheControlDisplaywith
therecommendationtotakeabreak.
Duringthedisplay,varioussettingscanbese#j
lected.
Afterabreak,anotherrecommendationtotakea
breakcannotbedisplayeduntilafterapproxi#j mately45minutes.
Systemlimits
Thefunctionmaybelimitedinthefollowingsit#j
uationsandmayissueanincorrectwarningorno
warningatall:
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'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-spe#jcificandoptionalfeaturesofferedwiththeseries. Italsodescribesfeaturesandfunctionsthatare
notnecessarilyavailableinyourvehicle,e.g.,due totheselectedoptionsorcountryversions.Thisalsoappliestosafety-relatedfunctionsandsys#j
tems.Whenusingthesefunctionsandsystems,
theapplicablelawsandregulationsmustbeob#j
served.
AntilockBrakingSystem ABS
ABSpreventslockingofthewheelsduringbrak#jing.
Thevehiclemaintainsitssteeringpowereven duringfullbrakeapplications,whichincreases
theactivesafety.
ABSisoperationaleverytimeyoustarttheen#j gine.
Brakeassistant
Whenyouapplythebrakesrapidly,thissystem
automaticallybooststhevehiclebrakingassis#j tancetothefurthestpossibleextent.Itreducesthebrakingdistancetoaminimumduringanemergencystop.ThissystemutilizesallofthecapabilitiesprovidedbytheAntilockBrakeSys#j
temABS.
Donotreducethepressureonthebrakepedal forthedurationoftheemergencystop.
Adaptivebrakeassistant
IncombinationwithActiveCruiseControlACC,
thissystemensuresthatthebrakesrespond
evenmorerapidlywhenbrakingincriticalsitua#j tions.
Drive-offassistant
Concept
Thissystemsupportsdrivingoffonuphillgrades.
Drivingoff
1.Holdthevehicleinplacewiththefootbrake.2.Releasethefootbrakeanddriveoffwithoutdelay.
Afterthefootbrakeisreleased,thevehicleis
heldinplaceforapprox.2seconds.
Dependingonthevehicleloadingorwhena
trailerisused,thevehiclemayrollbackslightly.
DSCDynamicStability Control
Concept
Withinthephysicallimits,thesystemhelpsto
keepthevehicleonasteadycoursebyreducing
enginespeedandbybrakingtheindividual
wheels.
Generalinformation DSCdetectsthefollowingunstabledrivingcon#j
ditions,forinstance:
'xFishtailing,whichcanleadtooversteering.'xLossoftractionofthefrontwheels,which canleadtoundersteering.Seite186CONTROLSDrivingstabilitycontrolsystems186
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Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driver#sspersonaljudgmentinassessingthe
trafficconditions.Basedonthelimitsofthe
system,itcannotindependentlyreacttoalltraf#j ficsituations.Thereisariskofaccident.Adjust
drivingstyletotrafficconditions.Watchtraffic
closelyandactivelyintervenewhereappropri#j
ate.
Warning
Whendrivingwitharoofload,forinstancewith
roof-mountedluggagerack,thevehicle'scen#j
terofgravityishigher,whichincreasestherisk ofthevehicletippingincriticaldrivingsitua#j
tions.Theremaybeariskofaccidentorriskof damagetoproperty.DonotdeactivateDSC
DynamicStabilityControlwhendrivingwith
roofload.
Overview
Buttoninthevehicle
DSCOFF
Deactivating/activatingDSC Generalinformation
WhenDSCisdeactivated,drivingstabilityisre#j ducedduringaccelerationandwhendrivingin
curves.
Toincreasevehiclestability,activateDSCagain assoonaspossible.
DeactivatingDSC HoldthebuttondownuntilDSCOFFisdisplayedintheinstrumentclusterand
theDSCOFFindicatorlightisilluminated.
ActivatingDSC Pressthebutton.
DSCOFFandtheDSCOFFindicator
lightgoout.
Display Intheinstrumentcluster
WhenDSCisdeactivated,DSCOFFisdisplayed intheinstrumentcluster.
Indicator/warninglights Theindicatorlightlightsup:DSCisde#j
activated.
Theindicatorlightflashes:DSCcontrols
thedriveandbrakingforces.
Theindicatorlightlightsup:DSChas
malfunctioned.Seite187DrivingstabilitycontrolsystemsCONTROLS187
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DTCDynamicTractionControl
Concept
DTCisaversionoftheDSCDynamicStability
Controlwheredrivepowerisoptimized.
Thesystemensuresmaximumdrivepoweronunusualroadconditions,forinstanceunplowedsnowcoveredroads,orlooseroadsurfaces,but
withsomewhatlimiteddrivingstability.
Generalinformation WhenDTCisactivated,thevehiclehasmaxi#j
mumtraction.Drivingstabilityislimitedduring accelerationandwhendrivingincurves.
YoumayfinditusefultobrieflyactivateDTCinthefollowingsituations:
'xWhendrivinginslushoronuncleared,snow-coveredroads.'xWhendrivingofffromdeepsnoworlooseground.'xWhendrivingwithsnowchains.
Overview
Buttoninthevehicle
DSCOFF
Activating/deactivatingDTC
ActivatingDTC Pressthebutton.
TRACTIONisdisplayedintheinstru#j
mentclusterandtheindicatorlightforDSCOFF lightsup.
DeactivatingDTC Pressthebuttonagain.
TRACTIONandtheDSCOFFindicator
lightgoout.
Display Displayintheinstrumentcluster
IfDTCisactivated,TRACTIONisdisplayedin theinstrumentcluster.
Indicator/warninglights Theindicatorlightlightsup:DTCisacti#j
vated.
Automaticprogramchange
Thesystemautomaticallyswitchesto"DSCON" inthefollowingsituations:'xIfActiveCruiseControlwithStop&Gofunc#j
tionACCisactivated.'xOnabrakinginterventionbytheIntelligent
Safetysystems.'xThevehiclehasaflattire.
xDrive
Concept
xDriveistheall-wheel-drivesystemofthevehi#j cle.TheinteractionofxDriveandDSCDynamicStabilityControlfurtheroptimizestractionand
drivingdynamics.xDrivevariablydistributesthe
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drivingforcestothefrontandrearaxlesasde#jmandedbythedrivingsituationandroadsurface.
DisplayontheControlDisplay DisplayingxDriveview
ViaiDrive:1."MyVehicle"2."Technologyinaction"3."xDrivestatus"
Thefollowinginformationisdisplayed:
'xWithanavigationsystem:compassdisplay forthedrivingdirection.'xPitchattitudewithdegreeindicationandper#j
centage.'xTransversegradientwithdegreeindication.'xGraphicdisplayforthesteeringangle.
AutomaticDifferential
Brake
Thesystemcontrolsthedrivingforcebyauto#j
maticbrakinginterventiononindividualwheels. Thefunctioncorrespondstoadifferentiallock:
thesystemdetectsifawheelbeginstospin,be#j
causeoflooseroadsurface,forinstanceandau#j
tomaticallybrakesit.
Thedrivingforceisdivertedtothewheelwith
bettertraction.
Asaresult,theengineforceistransferredmore efficientlytothewheelsduringaccelerations.
HDCHillDescentControl
Concept HillDescentControl,HDC,isadownhillcontrol
featurethatcontrolsthevehiclespeedonsteep
downhillgrades,forinstancewhendrivingonun#j
pavedroads.
Whenthesystemisactive,thevehiclemovesat
thespeedsetbythedriver,withoutthedriver
havingtodepressthebrakepedal.
WhileHDCiscontrollingthespeed,thesystem automaticallydistributesthebrakingforcetothe
individualwheels.Thisimprovesvehicledrivabil#j ityanddrivingstability.Ifnecessary,theAntilock
BrakingSystempreventsthewheelsfromlock#j
ing.
Generalinformation
HillDescentControlcanbeactivatedatspeeds belowapprox.25mph/40km/h.
Speedscanbesetbetweenapprox. 2mph/3km/handapprox.20mph/30km/h.
Whenthevehicleismovingdownhill,thesystem
reducesthespeedtothesetvalue,withinthe
physicallimits.
OverviewButtoninthevehicle
HDC
ActivatingHDC Pressthebutton.TheLEDabovethebut#jtonlightsup.
Speedsbetweenapprox.2mph/3km/handap#j
prox.20mph/30km/hareadoptedasthede#j siredspeed.
Emergencybrakingfunction,ActivePDC:the
emergencybrakingfunction,refertopage 207,
isdeactivated.
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DisplayintheinstrumentclusterAsymbolandtheselectedde#jsiredspeedaredisplayed.'xIndicatorgreen:HDCisactive.
Thesystemisactivelybraking
thevehicle.'xGraydisplay:HDCisonstandby.
DisplayintheHead-upDisplay
TheHDCstatuscanalsobedisplayedinthe Head-upDisplay.
Increasingordecreasingvehicle
speed
Usingthecruisecontrolrocker
switch
Thedesiredspeedcanbechangedusingthe cruisecontrolrockerswitchonthesteering wheel.
'xPresstherockerswitchup:thespeedin#j
creasesgradually.'xPresstherockerswitchupandhold:the speedincreaseswhiletherockerswitchispressed.'xPresstherockerswitchdown:thespeedde#j
creasesgradually.'xPresstherockerswitchdownandhold:the speeddecreaseswhiletherockerswitchis
pressed.Usingthebrakepedal
WhileHDCiscontrollingthespeed,thesetde#j
siredspeedcanbereducedbydepressingthe brakepedal.
DeactivatingHDC Pressthebuttonagain.TheLEDgoesout.HDCisautomaticallydeactivatedabove
approx.25mph/40km/h.
Malfunction Ifamalfunctionoccurs,amessageisdisplayedin
theinstrumentcluster.
Variablesportsteering
Thevariablesportsteeringfacilitatesadirectand agiledrivingstylewithlittlesteeringeffort.The
variablesportssteeringworksindependentlyof thecurrentspeed,varyingthesteeringratioin
linewiththesteeringangle.
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