light FORD EXPLORER 2023 Repair Manual

PRINCIPLE OF OPERATION
The traction control system helps avoiddrive wheel spin and loss of traction.
If your vehicle begins to slide, the systemapplies the brakes to individual wheelsand, when needed, reduces engine powerat the same time. If the wheels spin whenaccelerating on slippery or loose surfaces,the system reduces engine power in orderto increase traction.
USING TRACTION CONTROL
WARNING: Operating your vehiclewith the traction control disabled couldlead to an increased risk of loss of vehiclecontrol, vehicle rollover, personal injuryand death.
The system automatically turns on eachtime you switch the ignition on.
If your vehicle is stuck in mud or snow,switching traction control off may bebeneficial as this allows the wheels to spin.
Note:When you switch traction control off,stability control remains fully active.
Switching the System Off
When you switch the system off or on, amessage appears in the informationdisplay showing system status.
You can switch the system off by using theswitch.
Using a Switch (If Equipped)
Use the traction control switch on thecenter console near the shifter to switchthe system off or on.
The traction control switch.
System Indicator Lights andMessages
The stability and traction controllight:
•Temporarily illuminates on enginestart-up.
•Flashes when a driving conditionactivates either of the systems.
•Illuminates if a problem occurs in eitherof the systems.
The stability and traction controloff light temporarily illuminateson engine start-up and stays onwhen you switch the traction controlsystem off.
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PRINCIPLE OF OPERATION
WARNING: Vehicle modificationsinvolving braking system, aftermarketroof racks, suspension, steering system,tire construction and wheel and tire sizemay change the handling characteristicsof your vehicle and may adversely affectthe performance of the electronicstability control system. In addition,installing any stereo loudspeakers mayinterfere with and adversely affect theelectronic stability control system. Installany aftermarket stereo loudspeaker asfar as possible from the front centerconsole, the tunnel, and the front seatsin order to minimize the risk of interferingwith the electronic stability controlsensors. Reducing the effectiveness ofthe electronic stability control systemcould lead to an increased risk of loss ofvehicle control, vehicle rollover, personalinjury and death.
WARNING: Remember that evenadvanced technology cannot defy thelaws of physics. It’s always possible tolose control of a vehicle due toinappropriate driver input for theconditions. Aggressive driving on anyroad condition can cause you to losecontrol of your vehicle increasing the riskof personal injury or property damage.Activation of the electronic stabilitycontrol system is an indication that atleast some of the tires have exceededtheir ability to grip the road; this couldreduce the operator’s ability to controlthe vehicle potentially resulting in a lossof vehicle control, vehicle rollover,personal injury and death. If yourelectronic stability control systemactivates, SLOW DOWN.
The system automatically turns on eachtime you switch the ignition on.
If a driving condition activates either thestability control or the traction controlsystem you may experience the followingconditions:
•The stability and traction control lightflashes.
•Your vehicle slows down.
•Reduced engine power.
•A vibration in the brake pedal.
•The brake pedal is stiffer than usual.
•If the driving condition is severe andyour foot is not on the brake, the brakepedal may move as the systemsapplies higher brake forces.
The stability control system has severalfeatures built into it to help you maintaincontrol of your vehicle:
Electronic Stability Control
The system enhances your vehicle’s abilityto prevent skids or lateral slides byapplying brakes to one or more of thewheels individually and, if necessary,reducing engine power.
Roll Stability Control
The system enhances your vehicle’s abilityto prevent rollovers by detecting yourvehicle’s roll motion and the rate at whichit changes by applying the brakes to oneor more wheels individually.
Curve Control
The system enhances your vehicle’s abilityto follow the road when cornering severelyor avoiding objects in the roadway. CurveControl operates by reducing engine powerand, if necessary, applying brakes to oneor more of the wheels individually.
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ESC Features for ST model
Traction ControlSystemElectronicStability ControlStability ControlOff LightModeButton Func-tions
EnabledEnabledOn during bulbcheckDefault - Trac-tion Control Onand NormalAdvanceTrac
Default at start-up
DisabledEnabledOnTraction ControlOffButtonmomentarilypressed - singlepress
DisabledDisabledOnAdvanceTracOffButton pressedand held for fiveseconds
EnabledEnabledOffReturn toDefaultButton pressedwhen in Trac-tion Control Offor AdvanceTracOff
Note:Do not use the AdvanceTrac Offsetting on public roadways.
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WHAT IS HILL DESCENT
CONTROL
WARNING: Hill descent controlcannot control descent in all surfaceconditions and circumstances, such asice or extremely steep grades. Hilldescent control is a driver assist systemand cannot substitute for good judgmentby the driver. Failure to do so may resultin loss of vehicle control, crash or seriousinjury.
WARNING: The system does notreplace the parking brake. When youleave your vehicle, always apply theparking brake.
Note:The system does not function below3 mph (5 km/h).
Hill descent control allows the driver to setand maintain vehicle speed whiledescending steep slopes in various surfaceconditions.
The system can maintain vehicle speedson downhill slopes between 3–20 mph(5–32 km/h). Above 20 mph (32 km/h),the system remains on but the descentspeed cannot be set or maintained.
The system requires a cool down intervalafter a period of sustained use. Theamount of time that the system canremain active before cooling varies withconditions. The system provides a warningin the message center and a tone soundswhen the system is about to disengage forcooling. At this time, manually apply thebrakes as needed to maintain descentspeed.
SWITCHING HILL DESCENT
CONTROL ON AND OFF
Press the button on the centerconsole. A light illuminates in thecontrol and a tone sounds whenthe system is active.
SETTING THE HILL DESCENT
SPEED
WARNING: The system does notreplace the parking brake. When youleave your vehicle, always apply theparking brake.
WARNING: The system does notcontrol speed in low traction conditionsor extremely steep slopes. The systemis designed to be an aid and does notrelieve you of your responsibility to drivewith due care and attention. Failure tofollow this instruction could result inpersonal injury.
To increase the descent speed, press theaccelerator pedal until you reach the speedyou prefer.
To decrease the descent speed, press thebrake pedal until you reach the speed youprefer.
When you reach the speed you prefer,either by accelerating or decelerating,remove your feet from the pedals. Thesystem maintains the chosen vehiclespeed.
HILL DESCENT CONTROL
INDICATOR
Illuminates when you switch hilldescent control on.
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The fixed and active guidelines fade in andout depending on the steering wheelposition. The active guidelines do notdisplay when the steering wheel positionis straight.
Always use caution while reversing.Objects in the red zone are closest to yourvehicle and objects in the green zone arefarther away. Objects are getting closer toyour vehicle as they move from the greenzone to the yellow or red zones. Use theside view mirrors and rear view mirror toget better coverage on both sides and rearof the vehicle.
Obstacle Distance Indicator (If
Equipped)
The system will provide an image of yourvehicle and the sensor zones. The zoneswill highlight green, yellow and red whenthe parking aid sensors detect an object inthe coverage area.
Manual Zoom
WARNING: When manual zoom ison, the full area behind your vehicle maynot show. Be aware of your surroundingswhen using the manual zoom feature.
Note:Manual zoom is only available whenthe transmission is in reverse (R).
Note:When you enable manual zoom, onlythe centerline is shown.
Selectable settings for this feature areZoom in (+) and Zoom out (-). Press thesymbol in the camera screen to change theview. The default setting is Zoom OFF.
This allows you to get a closer view of anobject behind your vehicle. The zoomedimage keeps the bumper in the image toprovide a reference. The zoom is onlyactive while the transmission is in reverse(R).
Rear Camera Delay
Selectable settings for this feature are ONand OFF.
The default setting for the rear cameradelay is OFF.
When shifting the transmission out ofreverse (R) and into any gear other thanpark (P), the camera image remains in thedisplay until:
•Your vehicle speed reachesapproximately 5 mph (8 km/h).
•You shift your vehicle into park (P).
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•Areas under construction or newinfrastructure.
•When modifications to the steeringsystem have been made.
•When using a spare tire.
Note:The driving assistance torque islimited and may not be sufficient for alldriving situations such as driving throughtight curves or driving through curves at highspeeds.
Note:In exceptional conditions, the systemmay deviate from the center line.
ADAPTIVE CRUISE CONTROL
LIMITATIONS - VEHICLES
WITH: STOP AND GO
Sensor Limitations
WARNING: On rare occasions,detection issues can occur due to theroad infrastructures, for example bridges,tunnels and safety barriers. In thesecases, the system may brake late orunexpectedly. At all times, you areresponsible for controlling your vehicle,supervising the system and intervening,if required.
WARNING: If the systemmalfunctions, have your vehicle checkedas soon as possible.
WARNING: Large contrasts inoutside lighting can limit sensorperformance.
WARNING: The system only warnsof vehicles detected by the radar sensor.In some cases there may be no warningor a delayed warning. Apply the brakeswhen necessary. Failure to follow thisinstruction could result in personal injuryor death.
WARNING: The system may notdetect stationary or slow movingvehicles below 6 mph (10 km/h).
WARNING: The system does notdetect pedestrians or objects in the road.
WARNING: The system does notdetect oncoming vehicles in the samelane.
WARNING: The system may notoperate properly if the sensor is blocked.Keep the windshield free fromobstruction.
WARNING: The sensor mayincorrectly track lane markings as otherstructures or objects. This can result ina false or missed warning.
The camera is mounted on the windshieldbehind the interior mirror.
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The radar sensor is in the lower grille.
Note:You cannot see the sensor. It isbehind a fascia panel.
Note:Keep the front of your vehicle free ofdirt, metal badges or objects. Vehicle frontprotectors, aftermarket lights, additionalpaint or plastic coatings could also degradesensor performance.
A message displays if something obstructsthe camera or the sensor. When somethingblocks the sensor, the system cannotdetect a vehicle ahead and does notfunction. See Adaptive Cruise Control– Information Messages (page 250).
The radar sensor has a limited field of view.It may not detect vehicles at all or detecta vehicle later than expected in somesituations. The lead vehicle image doesnot illuminate if the system does notdetect a vehicle in front of you.
Detection issues can occur:
When driving on a different linethan the vehicle in front.A
With vehicles that edge into yourlane. The system can only detectthese vehicles once they movefully into your lane.
B
There may be issues with thedetection of vehicles in frontwhen driving into and coming outof a bend or curve in the road.
C
In these cases, the system may brake lateor unexpectedly.
If something hits the front end of yourvehicle or damage occurs, theradar-sensing zone may change. This couldcause missed or false vehicle detection.
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Optimal system performance requires aclear view of the road by thewindshield-mounted camera.
Optimal performance may not occur if:
•The camera is blocked.
•There is poor visibility or lightingconditions.
•There are bad weather conditions.
SWITCHING ADAPTIVE
CRUISE CONTROL ON AND OFF
The cruise controls are on the steeringwheel. See Cruise Control (page 82).
Switching Adaptive Cruise ControlOn
Press the button to set thesystem in standby mode.
The indicator, current gap setting and setspeed appear in the information display.
Switching Adaptive Cruise ControlOff
Press the button when thesystem is in standby mode, orswitch the ignition off.
Note:You erase the set speed when youswitch the system off.
Automatic Cancellation orDeactivation
The system may cancel if:
•The tires lose traction.
•You apply the parking brake.
The system may cancel and set the parkingbrake if:
•You unbuckle the seatbelt and openthe driver door after you stop yourvehicle.
•Your vehicle is at a stop continuouslyfor more than three minutes.
The system may turn off or preventactivating when requested if:
•The vehicle has a blocked sensor.
•The brake temperature is too high.
•There is a failure in the system or arelated system.
SETTING THE ADAPTIVE
CRUISE CONTROL SPEED
Drive to the speed you prefer.
Press the toggle button upwardor downward to set the currentspeed.
Take your foot off the accelerator pedal.
The indicator, current gap setting and setspeed appear in the information display.
A vehicle image illuminates if there is avehicle detected in front of you.
Note:When adaptive cruise control isactive, the speedometer may vary slightlyfrom the set speed displayed in theinformation display.
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Use the touchscreen to select thefollowing:
1.Select Settings.
2.Select Driver Assist.
3.Select Cruise Control.
4.Select Normal.
The cruise control indicatorreplaces the adaptive cruisecontrol indicator if you selectnormal cruise control. The gap settingdoes not display, and the system does notrespond to lead vehicles. Automaticbraking remains active to maintain setspeed. The system remembers the lastsetting when you start your vehicle.
SWITCHING LANE CENTERING
ON AND OFF
The cruise controls are on the steeringwheel. See Cruise Control (page 81).
Press the button.
The indicator appears in the informationdisplay. When the system is on, the colorof the indicator changes to indicate thesystem status. See Adaptive CruiseControl Indicators (page 248).
Note:Adaptive cruise control must be onbefore you can switch lane centering on.
Activating Lane Centering
The system only activates when all of thefollowing occur:
•You have adaptive cruise control withstop-and-go on.
•Your hands are on the steering wheel.
•The system detects both lanemarkings.
Note:If it does not detect valid lanemarkings, the system stays inactive untilvalid markings are available.
You can override the system at any timeby steering your vehicle.
System Alerts and AutomaticCancellation
You must keep your hands on the steeringwheel at all times.
When the system is active and detects nosteering activity for a certain period of time,the system alerts you to put your hands onthe steering wheel. If you do not react tothe warnings the system cancels and slowsyour vehicle down to idle speeds whilemaintaining steering control.
The system also alerts you if your vehiclecrosses lane markings without detectedsteering activity.
Note:The system may detect a light gripor touch on the steering wheel as hands-offdriving.
When an external condition cancels thesystem, for example, no lane markingsavailable, a tone sounds and a messageappears in the information display.
If your vehicle starts to slowdown, you must provide steeringinput to the wheel and press andrelease the button to regain full systemperformance.
Automatic cancellation can also occur if:
•The lane becomes too wide or toonarrow.
•The system cannot detect valid lanemarkings.
•Lane markings are crossed.
Note:The system disables until the nextkey cycle if your vehicle slows down due todriver inactivity twice within a key cycle.
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Note:If you receive a warning you shouldconsider resting, even if the currentassessment is within the typical range.
The warning system has two stages. Atfirst, the system issues a temporarywarning that you need to take a rest. Thismessage only appears for a short time. Ifthe system detects further reduction indriving alertness, it may issue anotherwarning that remains in the informationdisplay for a longer time. You can press OKon the steering wheel control to clear thewarning.
Resetting the System
You can reset the system by either:
•Switching the ignition off and on.
•Stopping the vehicle and then openingand closing the driver’s door.
LANE KEEPING SYSTEM
WARNING: You are responsible forcontrolling your vehicle at all times. Thesystem is designed to be an aid and doesnot relieve you of your responsibility todrive with due care and attention. Failureto follow this instruction could result inthe loss of control of your vehicle,personal injury or death.
WARNING: Always drive with duecare and attention when using andoperating the controls and features onyour vehicle.
WARNING: In cold and severeweather conditions the system may notfunction. Rain, snow and spray can alllimit sensor performance.
WARNING: Large contrasts inoutside lighting can limit sensorperformance.
WARNING: The system will notoperate if the sensor cannot track theroad lane markings.
WARNING: The sensor mayincorrectly track lane markings as otherstructures or objects. This can result ina false or missed warning.
WARNING: The system may notoperate properly if the sensor is blocked.Keep the windshield free fromobstruction.
WARNING: If damage occurs in theimmediate area surrounding the sensor,have your vehicle checked as soon aspossible.
WARNING: The system may notcorrectly operate if your vehicle is fittedwith a suspension kit not approved byus.
Note:The system works above 40 mph(64 km/h).
Note:The system works as long as thecamera can detect one lane marking.
Note:When you select aid or alert and aidmode and the system detects no steeringactivity for a short period, the system alertsyou to put your hands on the steering wheel.The system may detect a light grip ortouch on the steering wheel as hands offdriving.
Note:The system may not function if thecamera is blocked, or if the windshield isdamaged or dirty.
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