2023 LINCOLN NAVIGATOR service

ELECTRONIC LIMITED-SLIP DIFFERENTIAL – TROUBLESHOOTING
ELECTRONIC LIMITED-SLIP DIFFERENTIAL – INFORMATION MESSAGES
Description and ActionMessage
Displays when the system requires service. Have your vehicle checked as soon as possible.Check Electronic Limited Slip Differential
Displays when the system requires service. Have your vehicle checked as soon as possible.Electronic Limited Slip Differential Off SeeOwner's Manual
Displays when the electronic limited slip differential system resumes normal function.Electronic Limited Slip Differential Restoredto Normal
Displays if the electronic limited slip differential system temporarily turns off due to overheatingor an undersized spare tire. If you have an undersized spare tire installed, replace the spare tirewith a full-sized tire as soon as possible. If not, stop the vehicle in a safe location and allow thesystem to cool.
Electronic Limited Slip DifferentialTemporarily Disabled
Displays if the electronic limited slip differential has limited functionality. This could be due toan undersized spare tire or caused by the system overheating. If you have an undersized sparetire installed, replace the spare tire with a full-sized tire as soon as possible. If you do not havean undersized spare tire installed, the vehicle has reduced functionality. Have your vehiclechecked as soon as possible.
Electronic Limited Slip Differential ReducedTorque
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2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMElectronic Limited-Slip Differential (If Equipped)

5.Release the switch and pull away in anormal manner.
AUTOMATICALLY RELEASING THE
ELECTRIC PARKING BRAKE
1.Close the driver door.
2.Shift into gear.
3.Press the accelerator pedal and pull awayin a normal manner.
ELECTRIC PARKING BRAKE
AUDIBLE WARNING
Sounds when the parking brake is on andyour vehicle is moving. If the warning tonecontinues after you have released theparking brake, this indicates a malfunction.Have your vehicle checked as soon aspossible.
RELEASING THE ELECTRIC
PARKING BRAKE IF THE VEHICLE
BATTERY HAS RUN OUT OF
CHARGE
WARNING: The electric parkingbrake does not operate if the vehiclebattery has run out of charge.
Connect a booster battery to the vehiclebattery to release the electric parking brakeif the vehicle battery has run out of charge.See Jump Starting the Vehicle (page 391).
ELECTRIC PARKING BRAKE –
TROUBLESHOOTING
ELECTRIC PARKING BRAKE –WARNING LAMPS
Brake System
It illuminates red when you applythe parking brake and your vehicleis on. If the lamp flashes when theparking brake has been released,this indicates the parking brakesystem requires service. Have your vehiclechecked as soon as possible.
Note:Lamps may vary depending on region.
Electric Parking Brake
When the lamp illuminates yellow,it indicates a malfunction in theelectric parking brake. Have yourvehicle checked as soon as possible.
Note:Lamps may vary depending on region.
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2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMElectric Parking BrakeE270480 E67024 E67024 E146190

ELECTRIC PARKING BRAKE – INFORMATION MESSAGES
ActionMessage
The electric parking brake is set and a manual release is attempted without the brakepedal being pressed.To Release: Press Brake and Switch
The electric parking brake is set and an automatic release is attempted but cannot beperformed. Perform a manual release.Park Brake Use Switch to Release
The electric parking brake is set and your vehicle speed exceeds 3 mph (5 km/h).Release the electric parking brake before continuing to drive.Release Park Brake
The electric parking brake is not fully applied.Park Brake Not Applied
The electric parking brake is not fully released.Park Brake Not Released
The electric parking brake system has been put into a special mode to allow brakeservice. Have the system checked as soon as possible.Brake maintenance mode
The electric parking brake system has detected a condition that requires service. Somefunctionality may still be available. Have the system checked as soon as possible.Park Brake Limited Function Service Required
The electric parking brake system has detected a condition that requires service. Havethe system checked as soon as possible.Park Brake Malfunction Service Now
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2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMElectric Parking Brake

REVERSE BRAKING ASSIST –FREQUENTLY ASKED QUESTIONS
Why is reverse braking assist unavailable?
•Make sure the reverse braking assist ison. See Switching Reverse BrakingAssist On and Off (page 239).
•Make sure that all doors, liftgate ortailgate and hood are closed. Drive thevehicle on a straight road for a shortperiod. If the message remains, have thesystem checked.
•If your vehicle has the cross traffic alertsystem, make sure it is on. See SwitchingCross Traffic Alert On and Off (page 318).
•Make sure the rear parking aid system ison. See Parking Aids (page 255).
•Make sure the traction control is on. SeeSwitching Traction Control On and Off(page 245).
Note:The traction control automatically turnsoff if four-wheel drive low and certain drivemodes such as mud/ruts and snow/sand isactivated.
•Your vehicle may have sustained a rearend impact. Have the sensors checkedfor proper coverage and operation.
•An anti-lock brake, traction control orstability control event may have occurred.Reverse braking assist resumesoperation when the event is complete.
•Make sure the rear view camera and 360degree camera are not dirty orobstructed. If dirty, clean the camera. Ifthe message still appears after cleaningthe camera, wait a short time for themessage to clear. If the message doesnot clear, have the system checked.
•Make sure the cross traffic alert, rearparking aid and side parking aid sensorsare not blocked or faulty. See Locatingthe Cross Traffic Alert Sensors (page318). See Locating the Rear Parking AidSensors (page 256). See Locating theSide Parking Aid Sensors (page 259).
•You recently had your vehicle serviced,or the battery disconnected. Drive yourvehicle a short distance to resumesystem operation.
•Reverse braking assist does not functionwhen you connect a trailer. Operationresumes when you disconnect the trailer.
Note:If the answers to why the system isunavailable do not assist in returning reversebraking assist to available, have the systemchecked as soon as possible.
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2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMReverse Braking Assist (If Equipped)

TRACTION CONTROL – TROUBLESHOOTING
TRACTION CONTROL – INFORMATION MESSAGES
ActionMessage
The system detects a condition that requires service. Have the system checked as soon aspossible.Service AdvanceTrac
The status of the traction control system after you switch it off.Traction Control Off
The status of the traction control system after you switch it on.Traction Control On
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2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMTraction Control

STEERING – INFORMATION MESSAGES
ActionMessage
The power steering system has detected a condition that requiresservice. Have your vehicle checked as soon as possible.Steering Fault Service Now
The power steering system is not working. Stop your vehicle in a safeplace. Have your vehicle checked as soon as possible.Steering Loss Stop Safely
The power steering system has detected a condition that requiresservice. Have your vehicle checked as soon as possible.Steering Assist Fault Service Required
The steering system has detected a condition that requires service. Have your vehicle checked as soon as possible.Steering Lock Malfunction Service Now
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2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMSteering

ActionMessage
The system detects a condition that requires service. Have yourvehicle checked as soon as possible.Check Front Park Aid
The system detects a condition that requires service. Have yourvehicle checked as soon as possible.Check Rear Park Aid
Displays the park aid status.Front Park Aid On Off
Displays the park aid status.Rear Park Aid On Off
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2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMParking Aids

Note:Active park assist aligns the front endof your vehicle with the lane side of theobject next to it.
Note:When the system detects only oneobject, it allows enough distance to openthe door on either side.
Note:You can slow down your vehicle atany time by pressing the brake pedal.
Note:When parking is complete, yourvehicle shifts into park (P).
EXITING A PARKING SPACE
Active park assist only assists leaving parallelparking spaces.
1.Press the parking aid button.
2.Press the active park assist icon on thetouchscreen.
3.Select parallel park exit.
4.Use the turn signal to choose thedirection to exit the parking space.
5.Press and hold the brake pedal.
6.Release the steering wheel and shift intoneutral (N).
7.Release the parking brake.
8.Press and hold the parking aid button.
9.Release the brake pedal to allow yourvehicle to move.
Note:After active park assist drives yourvehicle to a position where you can exit theparking space in a forward movement, amessage appears instructing you to take fullcontrol of your vehicle.
10.Take control of your vehicle.
Note:You can slow down your vehicle atany time by pressing the brake pedal.
ACTIVE PARK ASSIST –
TROUBLESHOOTING
ACTIVE PARK ASSIST – INFORMATIONMESSAGES
ActionMessage
The system requiresservice. Have yourvehicle checked assoon as possible.
Active Park Fault
ACTIVE PARK ASSIST – FREQUENTLYASKED QUESTIONS
Why does active park assist not operatecorrectly?
The system is unable to detect a vehicle,curb or object to park next to or inbetween. The system needs boundaryobjects to operate correctly.
Why does active park assist not search fora parking space?
You have switched traction control off.
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2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMActive Park Assist