2018 LINCOLN NAVIGATOR trailer

LIMITED SLIP DIFFERENTIAL (IF
EQUIPPED)
The Electronic Limited Slip Differential (eLSD)system directs torque, enabling the vehicleto drive over terrain and road conditions thata conventional axle cannot. The system isactive at all times and requires no input fromthe driver.
Note:If your vehicle is not at optimaloperating conditions or a system fault ispresent, a warning may be displayed in theinstrument cluster. Depending on thewarning, your vehicle may need to beserviced. For more information regarding thesystem information messages, SeeInformation Messages (page 124).
Locking Function (If Equipped)
The lock button engages ‘lockermode’.
With the locker engaged, the systemelectronically locks the differential causingboth half shafts to turn at the same rate. Thisincreases traction during off road events.
The locker mode may automaticallydisengage based on certain conditions suchas vehicle speed. When engaged, a telltalein the instrument cluster will illuminate amberand the switch button will be illuminated.When the speed is exceeded the telltale willturn gray, the locker will be disengaged andbe in standby mode until the speedconditions are met. If the eLSD system isfaulted and the locker cannot engage, awarning message will be displayed in theinstrument cluster and the switch button willflash.
Spare Tire
If your vehicle is equipped with an ElectronicLimited Slip Differential, a spare tire of adifferent size than the tire provided, shouldnot be used. If a spare tire is installed, amessage may appear, indicating the systemhas disabled automatically or reducedfunction to prevent system overheat anddamage. It is recommended to reinstall therepaired or replaced road tire as soon aspossible. When the road tire is replaced, thesystem will resume normal operation on thenext key cycle.
Trailer Towing
The Electronic Limited Slip Differentialenhances vehicle stability during trailer towoperation. During high demand traileringevents (such as steep grades, high speedsor with a spare tire), the system may providea warning in the instrument cluster andreduce function or enter a temporarilydisabled state. To resume normal function,stop the vehicle in a safe location and allowthe unit to adequately cool. Once the systemhas reached normal operating temperatures,system function will be restored and theElectronic Limited Slip Differential Restoredmessage will be displayed.
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Rear AxleE163170

The electric parking brake automaticallyreleases if:
•You close the driver door.
•You put the transmission in a forward orreverse gear.
•You press the accelerator pedal.
When you release the electric parking brake,the brake system warning lamp turns off.
Note:If the electric parking brake warninglamp stays lit, the electric parking brake willnot automatically release. You must releasethe electric parking brake using the electricparking brake switch.
Note:The electric parking brake drive awayrelease makes starting on a hill easier. Thisfeature releases the parking brakeautomatically when the vehicle has sufficientdrive force to move up the hill.
Driving With a Trailer
When parked on a hill with the weight of thetrailer, your vehicle and trailer may rollslightly when you put the transmission ingear.
To prevent this from happening, do thefollowing:
1. Pull and hold the electric parking brakeswitch.
2. Put the transmission in gear.
3.Press the accelerator pedal until you feelthat the engine has developed enoughpower to move the vehicle, then releasethe electric parking brake switch.
Battery With No Charge
WARNING: You will not be able toapply or release the electric parking brakeif the battery is low or has no charge.
If the battery is low or has no charge, usejumper cables and a booster battery.
HILL START ASSIST
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.
WARNING: You must remain in yourvehicle when the system turns on. At alltimes, you are responsible for controllingyour vehicle, supervising the system andintervening, if required. Failure to take caremay result in the loss of control of yourvehicle, serious personal injury or death.
Note:If the engine is revved excessively, orif a malfunction is detected, the system willbe deactivated.
The system makes it easier to pull awaywhen your vehicle is on a slope without theneed to use the parking brake.
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Brakes

PRINCIPLE OF OPERATION
WARNING: To help avoid personalinjury, always use caution when in reverse(R) and when using the sensing system.
WARNING: The system may notdetect objects with surfaces that absorbreflection. Always drive with due care andattention. Failure to take care may resultin a crash.
WARNING: Traffic control systems,inclement weather, air brakes, externalmotors and fans may affect the correctoperation of the sensing system.This maycause reduced performance or false alerts.
WARNING: The system may notdetect small or moving objects, particularlythose close to the ground.
Note:Certain add-on devices installedaround the bumper or fascia may createfalse beeps. For example, large trailerhitches, bike or surfboard racks, license platebrackets, bumper covers or any other devicethat may block the normal detection zoneof the system.
Note:Keep the sensors, located on thebumper or fascia, free from snow, ice andlarge accumulations of dirt. If the sensorsare covered, the system’s accuracy can beaffected. Do not clean the sensors with sharpobjects.
Note:If your vehicle sustains damage to thebumper or fascia, leaving it misaligned orbent, the sensing zone may be alteredcausing inaccurate measurement ofobstacles or false alarms. See yourauthorized technician.
Note:When a trailer is connected to yourvehicle, the rear parking aid may detect thetrailer and therefore provide warnings.Disable the rear parking aid when a traileris connected to prevent these warnings.
Note:The sensing system cannot be turnedoff when a MyKey is present. See Principleof Operation (page 68).
We recommend that you take some time toget to know the system and its limitations byreading this section.
The sensing system warns the driver ofobstacles within a certain range of yourvehicle. The system automatically turns oneach time you switch the ignition on.
When receiving a detection warning, theradio volume reduces to a predeterminedlevel. After the warning goes away, the radiovolume returns to the previous level.
You can turn the system on or offby pressing the parking aid button.If your vehicle does not have aparking aid button, the system can beswitched off through the information displaymenu or from the pop-up message thatappears once you shift the transmission intoreverse (R). See General Information (page119).
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Parking AidsE139213

WARNING: Active park assist doesnot apply the brakes under anycircumstances.
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 in theloss of control of your vehicle, personalinjury or death.
Active park assist is a multi-step process andmay require you to shift the transmissionmultiple times. Follow the onscreeninstructions until the parking maneuver iscomplete.
If you are uncomfortable with the proximityto any vehicle or object, you may choose tooverride the system by grabbing the steeringwheel, or by taking full control of your vehicleafter pressing the active park assist button.
Keep your hands, hair, clothing and anyloose items clear of the steering wheel whenusing active park assist.
The sensors are on the front and rearbumpers.
Note:Keep the sensors free from snow, iceand large accumulations of dirt.
Note:Do not cover up the sensors.
Note:Do not clean the sensors with sharpobjects.
Note:The sensors may not detect objectswith surfaces that absorb ultrasonic waves.The sensors may falsely detect objects dueto ultrasonic interference caused bymotorcycle exhausts, truck air brakes orhorns, for example.
Note:If you change any tires, the systemmust recalibrate and may not correctlyoperate for a short time.
The system may not correctly operate in anyof the following conditions:
•You use a spare tire or a tire that issignificantly worn more than the othertires.
•One or more tires are incorrectly inflated.
•You try to park on a tight curve.
•Something passes between the frontbumper and the parking space. Forexample, a pedestrian or cyclist.
•The edge of the neighboring parkedvehicle is high off the ground. Forexample, a bus, tow truck or flatbedtruck.
•The weather conditions are poor. Forexample, during heavy rain, snow, fog,high humidity and high temperatures.
Do not use the system if:
•You have attached an add-on accessoryclose to the sensors on the front or rearof your vehicle. For example, a bike rackor trailer.
•You have attached an overhangingobject to the roof. For example, asurfboard.
•The front bumper, rear bumper or theside sensors are damaged.
•The correct tire size is not in use on yourvehicle. For example, a mini-spare tire.
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Parking Aids

The system uses three types of guides tohelp you see what is behind your vehicle:
•Active guidelines (if equipped): Show theintended path of your vehicle whenreversing.
•Fixed guidelines: Show the actual pathyour vehicle is moving in while reversingin a straight line. This can be helpfulwhen backing into a parking space oraligning your vehicle with another objectbehind you.
•Centerline: Helps align the center of yourvehicle with an object. For example, atrailer.
Note:If the transmission is in reverse (R) andthe luggage compartment door or liftgate isopen, no rear view camera features display.
Note: When towing, the camera only seeswhat you are towing. This might not provideadequate coverage as it usually provides innormal operation and some objects mightnot be seen. In some vehicles, theguidelines may disappear when you connectthe trailer tow connector.
The camera may not operate correctly underthe following conditions:
•Nighttime or dark areas if one or bothreverse lamps are not operating.
•Mud, water or debris obstructs thecamera's view. Clean the lens with a soft,lint-free cloth and non-abrasive cleaner. The rear view camera has a washer thatactivates when you use the rear windowwasher. See Rear Window Wiper andWashers (page 95).
•The rear of your vehicle is hit ordamaged, causing the camera to becomemisaligned.
Camera System Settings
The rear view camera system settings canbe accessed through the display screen.See General Information (page 119).
Camera Guidelines
Note:Active guidelines are only availablewhen the transmission is in reverse (R).Active guidelines (If equipped)A
CenterlineB
Fixed guideline: Green zoneC
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Parking AidsABCD
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Resuming the Set Speed
Press RES.
Switching Cruise Control Off
Note:You erase the set speed when youswitch the system off.
Press OFF when the system is in standbymode, or switch the ignition off.
USING ADAPTIVE CRUISE
CONTROL (IF EQUIPPED)
WARNING: Always pay closeattention to changing road conditions whenusing adaptive cruise control. The systemdoes not replace attentive driving. Failingto pay attention to the road may result ina crash, serious injury or death.
WARNING: Do not use the adaptivecruise control when entering or leaving ahighway, on roads with intersections orroundabouts or non-vehicular traffic orroads that are winding, slippery, unpaved,or steep slopes.
WARNING: Do not use the systemin poor visibility, for example fog, heavyrain, spray or snow.
WARNING: Do not use the systemwhen towing a trailer with aftermarkettrailer brake controls. Aftermarket trailerbrakes will not function properly when youswitch the system on because the brakesare electronically controlled. Failing to doso may result in loss of vehicle control,which could result in serious injury.
WARNING: Do not use tire sizesother than those recommended becausethis can affect the normal operation of thesystem. Failure to do so may result in a lossof vehicle control, which could result inserious injury.
WARNING: Adaptive cruise controlmay not detect stationary or slow movingvehicles below 6 mph (10 km/h).
WARNING: Adaptive cruise controldoes not detect pedestrians or objects inthe road.
WARNING: Adaptive cruise controldoes not detect oncoming vehicles in thesame lane.
WARNING: Adaptive cruise controlis not a crash warning or avoidancesystem.
Note:It is your responsibility to stay alert,drive safely and be in control of the vehicleat all times.
The system adjusts your vehicle speed tomaintain the set gap between you and thevehicle in front of you in the same lane. Youcan select four gap settings.
The system uses a radar sensor that projectsa beam directly in front of your vehicle.
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Cruise Control

Changing the Set Speed
•Press RES+ or SET- to change the setspeed in small increments.
•Press the accelerator or brake pedal untilyou reach the desired speed. Press RES+or SET-.
•Press and hold RES+ or SET- to changethe set speed in large increments.Release the control when you reach thedesired speed.
The system may apply the brakes to slowthe vehicle to the new set speed. The setspeed displays continuously in theinformation display when the system isactive.
Canceling the Set Speed
Press CAN or tap the brake pedal. The setspeed does not erase.
Resuming the Set Speed
Note:Only use resume if you are aware ofthe set speed and intend to return to it.
Press RES+. Your vehicle speed returns tothe previously set speed and gap setting. The set speed displays continuously in theinformation display when the system isactive.
Automatic Cancellation
Automatic cancellation can also occur if:
•The tires lose traction.
•You apply the parking brake.
Park Brake Application
Automatic parking brake application andcancellation occurs if:
•You unbuckle the seatbelt and open thedoor after you stop the vehicle.
•You hold the vehicle at a stopcontinuously for more than three minutes.
Hilly Condition and Trailer Tow Usage
Note:An audible alarm sounds and thesystem shuts down if it applies brakes for anextended period of time. This allows thebrakes to cool. The system functionsnormally again after the brakes cool.
Note:When towing with adaptive cruisecontrol, switch on Tow/Haul Mode.
Note:Tow/Haul mode increases the timegaps and allows more distance for braking.
Select a lower gear when the system isactive in situations such as prolongeddownhill driving on steep grades, forexample in mountainous areas. The systemneeds additional engine braking in thesesituations to reduce the load on the vehicle’sregular brake system to prevent it fromoverheating.
Switching Adaptive Cruise Control Off
Note:You erase the set speed and gapsetting when you switch the system off.
Press OFF when the system is in standbymode, or switch the ignition off.
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Cruise Control

Note:The system does not operate in park(P) or reverse (R).
Vehicles with Manual Transmission
The system turns on when all of the followingoccur:
•You start your vehicle.
•The vehicle speed is greater than 6 mph(10 km/h).
Note:The system does not operate inreverse (R).
System Lights and Messages
When the system detects a vehicle, an alertindicator illuminates in the exterior mirror onthe side the approaching vehicle is comingfrom. If you turn the direction indicator on forthat side of your vehicle, the alert indicatorflashes.
Note:The system may not alert you if avehicle quickly passes through the detectionzone.
Blocked Sensors
The sensors are behind the rear bumper onboth sides of your vehicle.
Note:Keep the sensors free from snow, iceand large accumulations of dirt.
Note:Do not cover the sensors with bumperstickers, repair compound or other objects.
Note:Blocked sensors could affect systemperformance.
If the sensors become blocked, a messagemay appear in the information display. SeeInformation Messages (page 124). The alertindicators remain illuminated but the systemdoes not alert you.
Blind Spot Information System withTrailer Tow (If Equipped)
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