2023 LINCOLN NAVIGATOR cooling

WHAT IS HILL DESCENT CONTROL
Hill descent control allows the driver to setand maintain vehicle speed whiledescending steep slopes in various surfaceconditions.
HOW DOES HILL DESCENT
CONTROL WORK
Hill descent control can maintain vehiclespeeds on downhill slopes between2–20 mph (3–32 km/h). Above 20 mph(32 km/h), the system remains on but thedescent speed cannot be set or maintained.
Note:The system does not function below2 mph (3 km/h).
The system requires a cool down intervalafter a period of sustained use. Hill descentcontrol provides a warning in the messagecenter and a tone sounds when the systemis about to disengage for cooling. At thistime, manually apply the brakes as neededto maintain descent speed.
Note:The amount of time that the systemcan remain active before cooling varies withconditions.
HILL DESCENT CONTROL
PRECAUTIONS
WARNING: The system does notcontrol speed in low traction conditions orextremely steep slopes. The system isdesigned to be an aid and does not relieveyou of your responsibility to drive with duecare and attention. Failure to follow thisinstruction could result in personal injury.
WARNING: Hill descent controlcannot control descent in all surfaceconditions and circumstances, such as iceor extremely steep grades. Hill descentcontrol is a driver assist system and cannotsubstitute for good judgment by the driver.Failure to do so may result in loss ofvehicle control, crash or serious injury.
WARNING: The system does notreplace the parking brake. When you leaveyour vehicle, always apply the parkingbrake and shift the transmission into park(P) for automatic transmission or first gearfor manual transmission.
SWITCHING HILL DESCENT
CONTROL ON AND OFF
1.Press Features on the touchscreen.
2.Press Driver Assistance.
3.Switch Hill Descent Control on or off.
Note:A message appears in the informationdisplay when the system is active.
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SETTING THE HILL DESCENT
SPEED
To increase or decrease the descent speed,press the accelerator or brake pedal, or use
the SET + and SET - buttons on the steeringwheel. Once you reach the preferred speedremove your feet from the pedals.
HILL DESCENT CONTROL
INDICATOR
Illuminates when you switch hilldescent control on.
HILL DESCENT CONTROL – TROUBLESHOOTING
HILL DESCENT CONTROL – INFORMATION MESSAGES
ActionMessage
Your vehicle speed requirement for off-road mode entry has not been met.For Hill Descent Reduce Speed XX MPH/km/h or Less
You need to select a transmission gear for hill descent mode.For Hill Descent Select Gear
Hill descent control mode is deactivated and you must resume control.Hill Descent Driver Resume Control
A hill descent system fault is present.Hill Descent Control Fault
The hill descent system is cooling due to overuse.Hill Descent Control Off System Cooling
The hill descent system cannot activate while Cruise Control is actively controllingspeed.Hill Descent Control not available with Cruise ControlActive
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Your vehicle may have a temporary orconventional spare tire. A temporary sparetire is different in diameter or width,tread-type, or is from a different manufacturerthan the road tires on your vehicle. Consultinformation on the tire label or SafetyCompliance label for limitations when using.
When towing a trailer:
•Obey country specific regulations fortowing a trailer.
•Do not drive faster than 70 mph(113 km/h) during the first 500 mi(800 km).
•Do not make full-throttle starts.
•Check your hitch, electrical connectionsand trailer wheel lug nuts thoroughly afteryou have traveled 50 mi (80 km).
•When stopped in congested or heavytraffic during hot weather, place thetransmission in park (P) to aid engine andtransmission cooling and to help A/Cperformance.
•Turn off the speed control with heavyloads or in hilly terrain. The speed controlmay turn off when you are towing onlong, steep slopes.
•Shift to a lower gear when driving downa long or steep hill. Do not continuouslyapply the brakes, as they may overheatand become less effective.
•If your transmission has Grade Assist orTow/Haul, use this feature when towing.This provides engine braking and helpseliminate excessive transmission shiftingfor optimum fuel economy andtransmission cooling.
•Your vehicle has AdvanceTrac with rollstability control. When towing a trailer,additional loads could cause theAdvanceTrac system to engage duringcornering maneuvers. Reduce corneringspeeds to make sure that you canmaintain control of the vehicle and trailerif the AdvanceTrac system engages.
•Allow more distance for stopping with atrailer attached. Anticipate stops andgradually brake.
•Avoid parking on a slope. However, ifyou must park on a slope, turn thesteering wheel to point your vehicle tiresaway from traffic flow, set the parkingbrake, place the transmission in park (P)and place wheel chocks in front and backof the trailer wheels.
Note:Chocks are not included with yourvehicle.
LAUNCHING OR RETRIEVING A
BOAT OR PERSONAL
WATERCRAFT
When backing down a ramp during boatlaunching or retrieval:
•Do not allow the static water level to riseabove the bottom edge of the rearbumper.
•Do not allow waves to break higher than6 in (15 cm) above the bottom edge ofthe rear bumper.
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Adding Coolant
WARNING: Keep your hands andclothing clear of the cooling fan.
WARNING: Do not remove thecoolant reservoir cap when the engine ison or the cooling system is hot. Wait 10minutes for the cooling system to cooldown. Cover the coolant reservoir cap witha thick cloth to prevent the possibility ofscalding and slowly remove the cap.Failure to follow this instruction could resultin personal injury.
WARNING: Do not add coolant whenthe vehicle is on or the cooling system ishot. Failure to follow this instruction couldresult in personal injury.
WARNING: Do not add coolantfurther than the MAX mark.
WARNING: Do not put coolant in thewindshield washer reservoir. If sprayed onthe windshield, coolant could make itdifficult to see through the windshield.
WARNING: Do not allow the fluid totouch your skin or eyes. If this happens,rinse the affected areas immediately withplenty of water and contact your physician.
Note: Do not use stop leak pellets, coolingsystem sealants, or non-specified additivesas they can cause damage to the enginecooling or heating systems. Resultingcomponent damage may not be covered bythe vehicle Warranty.
Note:Automotive fluids are notinterchangeable.
It is very important to use prediluted coolantapproved to the correct specification in orderto avoid plugging the small passageways inthe engine cooling system. See Capacitiesand Specifications (page 467). Do not mixdifferent colors or types of coolant in yourvehicle. Mixing of engine coolants or usingan incorrect coolant may harm the engine orcooling system components and could voidthe vehicle Warranty.
Note:If prediluted coolant is not available,use the approved concentrated coolantdiluting it to 50/50 with deionized or distilledwater. See Capacities and Specifications(page 467). Using water that has not beendeionized may contribute to depositformation, corrosion and plugging of thesmall cooling system passageways.
To top up the coolant level do the following:
1.Unscrew the cap slowly. Any pressureescapes as you unscrew the cap.
2.Add enough prediluted coolant to reachthe correct level.
Note:We do not recommend the use ofrecycled coolant.
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Fail-Safe Cooling
Fail-safe cooling allows you to temporarilydrive your vehicle before any incrementalcomponent damage occurs. The fail-safedistance depends on ambient temperature,vehicle load and terrain.
How Fail-Safe Cooling Works
WARNING: If you continue to driveyour vehicle when the engine isoverheating, the engine could stop withoutwarning. Failure to follow this instructioncould result in the loss of control of yourvehicle.
If the engine begins to overheat,the coolant temperature gaugemoves toward the red zone:
A warning lamp illuminates and amessage may appear in theinformation display.
If the engine reaches a presetover-temperature condition, the engineautomatically switches to alternating cylinderoperation. Each disabled cylinder acts as anair pump and cools the engine.
When this occurs, your vehicle still operates,however:
•Engine power is limited.
•The air conditioning system turns off.
Continued operation increases the enginetemperature, causing the engine tocompletely shut down. Your steering andbraking effort increases in this situation.
When the engine temperature cools, you canre-start the engine. Have your vehiclechecked as soon as possible to minimizeengine damage.
When Fail-Safe Mode Is Activated
WARNING: Fail-safe mode is for useduring emergencies only. Operate yourvehicle in fail-safe mode only as long asnecessary to bring your vehicle to rest ina safe location and seek immediate repairs.When in fail-safe mode, your vehicle willhave limited power, will not be able tomaintain high-speed operation, and maycompletely shut down without warning,potentially losing engine power, powersteering assist, and power brake assist,which may increase the possibility of acrash resulting in serious injury.
WARNING: Do not remove thecoolant reservoir cap when the engine ison or the cooling system is hot. Wait 10minutes for the cooling system to cooldown. Cover the coolant reservoir cap witha thick cloth to prevent the possibility ofscalding and slowly remove the cap.Failure to follow this instruction could resultin personal injury.
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COOLING SYSTEM CAPACITY AND
SPECIFICATION
Use coolant that meets the definedspecification.
If you do not use coolant that meets thedefined specification, it could result in:
•Component damage that your vehiclewarranty does not cover.
•Reduced vehicle performance.
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Transferable Coverage
If you sell your vehicle before your LincolnProtect extended service plan coverageexpires, you can transfer any remainingcoverage to the new owner. This should giveyou and your potential buyer a little morepeace of mind.
Less Cost to Properly Maintain Your Vehicle
The Lincoln Protect extended service planalso offers a Premium Maintenance Plan thatcovers all scheduled maintenance, andselected wear items. The coverage isprepaid, so you never have to worry aboutthe cost of your vehicle’s maintenance.
Covered maintenance includes:
•Windshield wiper blades.
•Spark plugs.
•The clutch disc - if equipped.
•Brake pads and linings.
•Shock absorbers and struts.
•Engine cooling hoses, clamps ando-rings.
•Engine belts.
•Diesel exhaust fluid replenishment - ifequipped.
Interest Free Finance Options
Just a 5% down payment will provide youwith an affordable, no interest, no feepayment program allowing you all thesecurity and benefits Lincoln Protectextended service plan has to offer whilepaying over time. You are pre-approved withno credit check or hassles. To learn more,call our Lincoln Protect extended serviceplan specialists at 800-367-3377.
Complete the information below and mail to:
Lincoln Protect Extended Service PlanP.O. Box 321067Detroit, MI 48232
Lincoln Protect (Canada Only)
You can get more protection for your vehicleby purchasing a Lincoln Protect extendedservice plan. The Lincoln Protect extendedservice plan is the only service contractbacked by Lincoln, Limited. Depending onthe plan you purchase, the Lincoln Protectextended service plan provides benefits suchas:
•Rental reimbursement.
•Coverage for certain maintenance andwear items.
•Protection against repair costs after yourNew Vehicle Limited Warranty Coverageexpires.
•Roadside Assistance benefits.
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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.
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