
Normal Maintenance Intervals
At Every Oil Change Interval as Indicated by the Information Display 1
Change the engine oil and filter. 2
Rotate the tires, inspect tire wear and measure tread depth.
Perform a multi-point inspection - recommended.
Inspect the automatic transmission fluid level - vehicles with dipstick. Consult your dealer for requirements.
Inspect the brake pads, rotors, hoses and parking brake.
Inspect the engine cooling system strength and hoses.
Inspect the exhaust system and heat shields.
Inspect the front axle and U-joints.
Inspect the half-shaft boots.
Inspect the steering linkage, ball joints, suspension, tire-rod ends, driveshaft and U-joints.
Inspect the wheels and related components for abnormal noise, wear, looseness or drag.
1 Do not exceed one year or 10,000 mi (16,000 km) between service intervals.2 Reset the oil change reminder after engine oil and filter changes.
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2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMScheduled Maintenance

Brake Fluid Maintenance1
Change the brake fluid.2Every Three Years
1 Perform this maintenance item every three years. Do not exceed the designated time for the interval.2 Brake fluid servicing requires special equipment available at your authorized dealer.
Other Maintenance Items 1
Replace the cabin air filter.Every 20,000 mi (32,000 km)
Replace the engine air filter.Every 30,000 mi (48,000 km)
Replace the spark plugs.
Every 100,000 mi (160,000 km)
Inspect the accessory drive belt(s). 2
Change the automatic transmission fluid.
Every 150,000 mi (240,000 km)Change the front axle fluid - Four-wheel drive vehicles.
Change the rear axle fluid.
Change the transfer case fluid - Four-wheel drive vehicles.
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Autounlock.......................................................88Autounlock Requirements..................................88Switching Autounlock On and Off....................88What Is Autounlock..............................................88
Autowipers.......................................................114Adjusting the Sensitivity of the RainSensor.................................................................115Autowipers Settings.............................................114What Are Autowipers..........................................114
B
BatterySee: Changing the 12V Battery.......................424
Blind Spot Assist...........................................304Blind Spot Assist Indicators.............................305Blind Spot Assist Limitations...........................304How Does Blind Spot Assist Work.................304What Is Blind Spot Assist..................................304
Blind Spot Assist with TrailerCoverage.....................................................306Blind Spot Assist with Trailer CoverageIndicators..........................................................307Blind Spot Assist with Trailer CoverageLimitations.......................................................306How Does Blind Spot Assist with TrailerCoverage Work..............................................306
What Is Blind Spot Assist with TrailerCoverage.........................................................306
Blind Spot Information System...................311Blind Spot Information System –Troubleshooting..............................................316Blind Spot Information System With TrailerCoverage..........................................................313
Blind Spot Information SystemIndicators......................................................315Blind Spot Information SystemLimitations.....................................................311Blind Spot Information SystemPrecautions...................................................311Blind Spot Information SystemRequirements..............................................312Blind Spot Information System –Troubleshooting..........................................316Blind Spot Information System – InformationMessages..........................................................316
Blind Spot Information System With TrailerCoverage......................................................313Blind Spot Information System With TrailerCoverage Limitations.....................................313Selecting a Trailer................................................315Setting a Trailer Length......................................314What Is Blind Spot Information System withTrailer Coverage..............................................313
Bluetooth®........................................................511
Body Control Module Fuse Box...............408Accessing the Body Control Module FuseBox.....................................................................408Identifying the Fuses in the Body ControlModule Fuse Box...........................................409Locating the Body Control Module FuseBox.....................................................................408
Bonnet LockSee: Opening and Closing the Hood.............414
Booster Seats..................................................48Brake Fluid Specification...........................233Brake Over Accelerator..............................232Brake Precautions........................................232Brakes.............................................................232Anti-Lock Braking System................................232Brakes – Troubleshooting................................233
Brakes – Troubleshooting..........................233Brakes – Frequently Asked Questions.........234Brakes – Warning Lamps.................................233
Breaking-In.....................................................384
C
Calculating Payload.....................................338Calculating the Load Limit..........................338Canceling the Set Speed...........................276Capacities and Specifications...................467
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Catalytic Converter.......................................218Catalytic Converter – Troubleshooting.........219
Catalytic Converter Precautions...............218Catalytic Converter –Troubleshooting..........................................219Catalytic Converter – Warning Lamps...........219
Center Console............................................200Opening the Center Console.........................200
Center Display Limitations.........................498Center Display Overview...........................498Center Display Precautions.......................498Changing a Flat Tire....................................459Changing a Road Wheel............................459Changing the 12V Battery..........................424Changing the Fuel Filter.............................424Changing the Language...............................151Changing the Measurement Unit...............151Changing the Radio Station.......................497Changing the Remote Control Battery......73Changing the Temperature Unit.................151Changing the Tire Pressure Unit................151Changing the Vehicle Wi-Fi Hotspot Nameor Password................................................484Charging a Device........................................194Charging a Wireless Device.......................198Checking MyKey System Status.................84Checking the Brake Fluid..........................232Checking the Coolant..................................418
Checking the Seatbelts.................................58Checking the Tire Pressures.....................449Checking the Wiper Blades.........................116Childminder Mirror........................................136Childminder Mirror Precautions.......................136Locating the Childminder Mirror......................136
Children and Airbags.....................................65Child Restraint Anchor Points......................40Locating the Child Restraint Lower AnchorPoints...................................................................40Locating the Child Restraint Top TetherAnchor Points.....................................................41What Are the Child Restraint AnchorPoints...................................................................40
Child Restraints................................................41Child Restraint Position Information..................41Child Restraints Recommendation...................43
Child Safety......................................................39Child Restraint Anchor Points............................40Child Restraints.......................................................41Installing Child Restraints....................................44
Child Safety Locks...........................................51Child Safety Precautions...............................39Cleaning Products.......................................429Cleaning the Exterior..................................430Cleaning Camera Lenses and Sensors........432Cleaning Chrome, Aluminium or StainlessSteel..................................................................430
Cleaning Headlamps and Rear Lamps.........430Cleaning Stripes or Graphics............................431Cleaning the Engine Compartment................431Cleaning the Exterior Precautions.................430Cleaning the Underbody..................................432Cleaning Wheels..................................................431Cleaning Windows and Wiper Blades..........430
Cleaning the Interior....................................432Cleaning Carpets and Floor Mats..................433Cleaning Displays and Screens......................432Cleaning Fabric Seats and Headliners.........433Cleaning Leather and Vinyl..............................433Cleaning Moonroof Tracks...............................434Cleaning Plastic..................................................432Cleaning Seatbelts.............................................434Cleaning the Instrument Panel.......................432
Clearing All MyKeys.......................................84Climate Control..............................................159Auto Mode.............................................................161
Climate Control Hints...................................162Closing the Liftgate......................................100Closing the Hands-Free Liftgate.....................102Closing the Liftgate From Inside YourVehicle...............................................................100Closing the Liftgate From Outside YourVehicle................................................................101Closing the Liftgate Using the RemoteControl................................................................101
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Lane Keeping System – InformationMessages.........................................................308
Launching or Retrieving a Boat or PersonalWatercraft.....................................................351Liftgate...............................................................98Closing the Liftgate............................................100Liftgate – Troubleshooting................................104Opening the Liftgate............................................98
Liftgate Obstacle Detection.......................103Liftgate Precautions.......................................98Liftgate – Troubleshooting.........................104Liftgate – Frequently Asked Questions........105Liftgate – Information Messages.....................104Liftgate – Warning Lamps.................................104
Lincoln Personal Assistant..........................501Lincoln Personal Assistant – Frequently AskedQuestions.........................................................501Lincoln Personal Assistant Settings...............501Using Lincoln Personal Assistant....................501
Lincoln Protect..............................................526Linking or Unlinking a Personal Profile toa Remote Control.......................................516Live Traffic.......................................................517Switching Live Traffic On and Off....................517What Is Live Traffic..............................................517
Load Carrying................................................336Roof Rack.............................................................340
Load Carrying Precautions........................336
Loading Your Trailer.....................................350Locating the 360 Degree Cameras.........262Locating the Blind Spot Information SystemSensors.........................................................312Locating the Brake Fluid Reservoir.........232Locating the Cross Traffic AlertSensors.........................................................318Locating the Fuel Filler Funnel..................212Locating the Keyless Entry Keypad............93Locating the Memory FunctionButtons..........................................................186Locating the Power Outlets........................195Locating the Pre-Collision AssistSensors........................................................324Locating the Safety ComplianceCertification Labels....................................337Locating the Tire label.................................437Locating the USB Ports................................193Locating the Wireless AccessoryCharger.........................................................198Locating Your Vehicle....................................73Locking the Rear Window Controls..........135Luggage Compartment................................341Luggage Compartment Precautions........341
M
Maintenance...................................................414Engine Air Filter..................................................423Engine Oil..............................................................417Exterior Bulbs......................................................428Interior Bulbs.......................................................428
Maintenance Precautions...........................414Making and Receiving a Phone Call.......507Manually Releasing the Electric ParkingBrake.............................................................235Manually Shifting Gears...............................221Shifting Using the Paddle Shifters..................221
Manual Seats..................................................175Accessing the Third Row Seats.......................178Adjusting the Head Restraint...........................176Adjusting the Seat Backrest..............................177Folding the Seat Backrest.................................177Head Restraint Components............................175Installing the Head Restraint............................176Moving the Seat Backward andForward.............................................................176Removing the Head Restraint..........................176Unfolding the Seats............................................178
Massage Seats...............................................172Adjusting the Massage Seat Settings............172Massage Seat Limitations.................................172
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Pre-Collision Assist –Troubleshooting.........................................328Pre-Collision Assist – Frequently AskedQuestions.........................................................329Pre-Collision Assist – InformationMessages.........................................................328Pre-Collision Assist – Warning Lamps..........328
Preparing Your Vehicle for Storage.........435Programming a MyKey..................................84Programming the Garage DoorOpener..........................................................189Programming the Remote Control.............75Programming Your Phone.............................78Properly Adjusting the Driver and FrontPassenger Seats..........................................64PunctureSee: Changing a Flat Tire.................................459
Push Button Ignition Switch.......................201
R
Radio Frequency CertificationLabels...........................................................545Blind Spot Information System Sensors.......545Body Control Module........................................553Cruise Control Module......................................556Keys and Remote Controls...............................561Radio Transceiver Module...............................567
SYNC.....................................................................570Tire Pressure Monitoring SystemSensors.............................................................576Wireless Accessory Charging Module.........582
Rear Auto Mode............................................165Switching Rear Auto Mode On and Off.........165
Rear Axle Fluid Capacity andSpecification................................................479Rear Exterior.....................................................37Rear Occupant Alert System AudibleWarnings.......................................................185Rear Occupant Alert SystemIndicators......................................................185Rear Occupant Alert SystemLimitations....................................................184Rear Occupant Alert SystemPrecautions..................................................184Rear Occupant Alert System......................184Rear Parking Aid...........................................256Locating the Rear Parking Aid Sensors........256Rear Parking Aid Audible Warnings...............257Rear Parking Aid Limitations...........................256What is the Rear Parking Aid..........................256
Rear Passenger Audio Controls...............497Rear Passenger Climate ControlIndicators......................................................165Rear Passenger Climate Control...............164Rear Auto Mode...................................................165
Rear Seats.......................................................175Heated Seats........................................................182Manual Seats........................................................175Massage Seats.....................................................182Power Seats..........................................................179Ventilated Seats...................................................183
Rebooting the Center Display..................500Recalling a Preset Position.........................186Recovery Towing..........................................394Accessing the Front Towing Point.................394
Recreationally Towing Your Vehicle -4x2.................................................................399Recreationally Towing Your Vehicle -4x4.................................................................397Refueling..........................................................214Manually Opening the Fuel Filler Door.........216Refueling System Overview.............................214Refueling Your Vehicle.......................................214
Releasing the Electric Parking Brake if theVehicle Battery Has Run Out ofCharge..........................................................236Remote Control Limitations..........................72Remotely Starting and Stopping theVehicle...........................................................156Remote Start Limitations.............................156Remote Start Precautions...........................156Remote Start Remote ControlIndicators......................................................157
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Towing a Trailer – Troubleshooting.........354Towing a Trailer – InformationMessages.........................................................354
Towing Weights and Dimensions.............352Calculating the Maximum Loaded TrailerWeight for Your Vehicle................................353Recommended Towing Weights.....................352What Is the Maximum Loaded TrailerWeight...............................................................353
Towing Your Vehicle Precautions.............397Towing Your Vehicle....................................397Towing Your Vehicle –Troubleshooting.............................................400
Towing Your Vehicle –Troubleshooting.........................................400Towing Your Vehicle – InformationMessages........................................................400
Traction Control Indicator..........................245Traction Control............................................245Traction Control – Troubleshooting...............246
Traction Control – Troubleshooting........246Traction Control – InformationMessages.........................................................246
Trailer Backup AssistancePrecautions.................................................362Trailer Backup Assistance..........................362Setting Up the Trailer Backup Assistance fora Conventional Trailer...................................363
Trailer Backup Assistance –Troubleshooting.............................................369
Trailer Backup Assistance –Troubleshooting.........................................369Trailer Backup Assistance – Frequently AskedQuestions.........................................................372Trailer Backup Assistance – InformationMessages.........................................................369
Trailer Brake Precautions...........................349Trailer Reverse GuidancePrecautions..................................................375Trailer Reverse Guidance...........................375Setting Up Trailer Reverse Guidance for aConventional Trailer......................................375Trailer Reverse Guidance –Troubleshooting.............................................380
Trailer Reverse Guidance –Troubleshooting.........................................380Trailer Reverse Guidance – Frequently AskedQuestions.........................................................382Trailer Reverse Guidance – InformationMessages.........................................................380
Trailer Sway Control Precautions..............361Trailer Sway Control.....................................361Trailer Towing Hints.....................................350Transfer Case Fluid Capacity andSpecification................................................477
Transmission Fluid TemperatureGauge............................................................144Transporting the Vehicle............................395Trip Computer................................................149Accessing the Trip Computer...........................149Resetting the Individual Trip Values...............150
U
Under Hood Fuse Box.................................401Accessing the Under Hood Fuse Box...........401Identifying the Fuses in the Under Hood FuseBox.....................................................................402Locating the Under Hood Fuse Box...............401
Under Hood Overview.................................415USB Ports........................................................193Using Alexa Built-In.....................................503Using Auto Hold...........................................243Using Keyless Entry........................................91Using MyKey With Remote StartSystems..........................................................84Using Snow Chains......................................446Using the Backup Start Passcode..............79Using the Instrument Cluster DisplayControls.........................................................148Using the Integrated Trailer BrakeController.....................................................356Using the Keyless Entry Keypad.................95
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