check oil LINCOLN NAVIGATOR 2023 User Guide

Check Every Month
The air filter restriction gauge.1
The engine oil level.
Function of all interior and the exterior lights.
The tires including the spare for wear and proper pressure.
The windshield washer fluid level.
The fuel and water separator. Drain if necessary or if indicated by the instrument cluster display.1
The holes and slots in the tail pipe to make sure they are functional and clear of debris.1
1 Diesel vehicles only.
Check Every Six Months
The battery connections. Clean if necessary.
The body and door drain holes for obstructions. Clean if necessary.
The cooling system fluid level and the coolant system strength.
The door weatherstrips for wear. Lubricate if necessary.
The hinges, latches and outside locks for proper operation. Lubricate if necessary.
531
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMScheduled Maintenance

Multi-Point Inspection
Suspension components for leaks or damageExhaust system
Steering and linkageExterior lamps operation
Tires including the spare for wear and proper pressure2Fluid levels1; fill if necessary
Windshield for cracks, chips or pitsFor oil and fluid leaks
Washer spray and wiper operationHalfshaft dust boots
1 Brake, coolant recovery reservoir, automatic transmission and window washer.2If your vehicle has a temporary mobility kit, check the tire sealant expiration Use By date on the canister. Replace as needed.
Be sure to ask your dealership serviceadvisor or technician about the multi-pointvehicle inspection. It is a comprehensive wayto perform a thorough inspection of yourvehicle. Your checklist gives you immediatefeedback on the overall condition of yourvehicle.
NORMAL SCHEDULED
MAINTENANCE
Oil Change Reminder
Your vehicle comes with an oil changereminder that determines when you shouldchange the engine oil based on how you useyour vehicle.
Your vehicle lets you know when an oilchange is due by displaying a message inthe information display.
The following table provides examples ofvehicle use and its impact on oil changeintervals. It is a guideline only. Actual oilchange intervals depend on several factorsand generally decrease with severity of use.
533
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMScheduled Maintenance

Off-road Operation
Rotate tires, inspect tires for wear and measure tread depth.
Change transfer case fluid (Four-wheel drive vehicles).Every 60,000 mi(96,000 km)
1Reset your Intelligent Oil-Life Monitor after each engine oil and filter change.
Exceptions
There are several exceptions to the NormalSchedule.
Axle and Transfer Case Maintenance
Axle(s) and transfer case (Four-wheel drivevehicles) fluid changes or level checks arenot required unless a leak is suspected orthe assembly has been submerged in water.Contact an authorized dealer for service.
California Fuel Filter Replacement
If you register your vehicle in California, theCalifornia Air Resources Board hasdetermined that the failure to perform thismaintenance item does not nullify theemission warranty or limit recall liabilitybefore the completion of your vehicle'suseful life. Lincoln, however, urges you tohave all recommended maintenance servicesperformed at the specified intervals and torecord all vehicle service.
Hot Climate Oil Change Intervals
Vehicles operating in the Middle East, NorthAfrica, Sub-Saharan Africa or locations withsimilar climates using an American PetroleumInstitute (API) Certified for Gasoline Engines(Certification mark) oil of SM or SN quality,the normal oil change interval is 3,000 mi(4,800 km).
If the available API SM or SN oils are notavailable, then the oil change interval is1,800 mi (2,900 km).
Engine Air Filter Replacement
The life of the engine air filter is dependenton exposure to dusty and dirty conditions.Vehicles operated in these conditionsrequire frequent inspection and replacementof the engine air filter.
540
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMScheduled Maintenance

Tampering With a Noise ControlSystem
Federal laws prohibit the following acts:
•Removal or rendering inoperative by anyperson other than for purposes ofmaintenance.
•Repair or replacement of any device orelement of the design incorporated intoa new vehicle for the purpose of noisecontrol prior to its sale or delivery to theultimate purchaser or while it is in use.
•The use of the vehicle after any personremoves or renders inoperative anydevice or element of the design.
The U.S. Environmental Protection Agencymay presume to constitute tampering asfollows:
•Removal of hood blanket, fender apronabsorbers, fender apron barriers,underbody noise shields or acousticallyabsorptive material.
•Tampering or rendering inoperative theengine speed governor, to allow enginespeed to exceed manufacturerspecifications.
If the engine does not start, runs rough,experiences a decrease in engineperformance, experiences excess fuelconsumption or produces excessive exhaustsmoke, check for the following:
•A plugged or disconnected air inletsystem hose.
•A plugged engine air filter element.
•Water in the fuel filter and waterseparator.
•A clogged fuel filter.
•Contaminated fuel.
•Air in the fuel system, due to looseconnections.
•An open or pinched sensor hose.
•Incorrect engine oil level.
•Incorrect fuel for climatic conditions.
•Incorrect engine oil viscosity for climacticconditions.
Note:Some vehicles have a lifetime fuel filterthat is integrated with the fuel tank. Regularmaintenance or replacement is not needed.
Note:If these checks do not help you correctthe concern, have your vehicle checked assoon as possible.
Noise Emissions Warranty, ProhibitedTampering Acts and Maintenance
On January 1, 1978, Federal regulationbecame effective governing the noiseemission on trucks over 10,000 lb (4,536 kg)Gross Vehicle Weight Rating (GVWR). Thepreceding statements concerning prohibitedtampering acts and maintenance, and thenoise warranty found in the Warranty Guide,are applicable to complete chassis cabs over10,000 lb (4,536 kg) GVWR.
EXPORT UNIQUE OPTIONS
For your particular global region, your vehiclemay be equipped with features and optionsthat are different from the features andoptions that are described in this Owner’sManual. A market unique supplement maybe supplied that complements this book. Byreferring to the market unique supplement,if provided, you can properly identify thosefeatures, recommendations and
622
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMCustomer Information

Emission Law - United States ofAmerica.........................................................621Enabling Apps on an AndroidDevice...........................................................512Enabling Apps on an iOS Device..............512Enabling or Disabling PersonalProfiles..........................................................515Enabling Remote Start.................................156End User License Agreement....................591Engine Air Filter............................................423Changing the Engine Air Filter........................423
Engine Block Heater...................................203Engine Block Heater Precautions..................203How Does the Engine Block HeaterWork..................................................................203Using the Engine Block Heater......................204
Engine Coolant Temperature Gauge.......144Engine Oil Capacity andSpecification...............................................469Engine Oil........................................................417Adding Engine Oil...............................................417Checking the Engine Oil Level.........................417Engine Oil Capacity and Specification...........418Engine Oil Dipstick Overview...........................417Resetting the Intelligent Oil Life Monitor.......418
Engine Oil Pressure Gauge........................144Engine Specifications..................................467Entering a Parallel Parking Space...........266
Entering a Perpendicular ParkingSpace............................................................266Evasive Steering Assist...............................327Evasive Steering Assist Limitations...............328Switching Evasive Steering Assist On andOff......................................................................328What Is Evasive Steering Assist......................327
Event Data........................................................26Exiting a Parking Space..............................267Export Unique Options...............................622Extending the Remote Start Duration......157Exterior Bulbs................................................428Exterior Bulb Specification Chart...................428
Exterior Lamps...............................................122Exterior Lamp Indicators....................................123Exterior Lamps On Audible Warning..............123Switching the Daytime Running Lamps Onand Off...............................................................122Switching Welcome Lighting On andOff.......................................................................123Using the Front Fog Lamps..............................123Using the Turn Signal Lamps...........................122
Exterior Lighting Control.............................120Exterior Lighting............................................120Adaptive Front Lighting.....................................130Autolamps..............................................................121Automatic High Beam Control.........................124
Automatic High Beam Control –Troubleshooting..............................................127Exterior Lamps.....................................................122Glare Free Lighting.............................................127Glare Free Lighting – Troubleshooting.........130Headlamps............................................................120Headlamps – Troubleshooting.........................121
Exterior Mirrors..............................................138Auto-Dimming Exterior Mirror..........................139
F
Fastening and Unfastening theSeatbelts........................................................53Feature Bar....................................................499Federal Highway AdministrationRegulation....................................................591Flat TireSee: Changing a Flat Tire.................................459
Floor Mats.......................................................387Folding the Exterior Mirrors........................138Foot PedalsSee: Adjusting the Pedals..................................113
Ford Power-UpSee: Software Update Settings......................520See: Vehicle Software Updates.....................520
Four-Wheel Drive.........................................224Four-Wheel Drive Modes.................................226
638
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMIndex