2018 LINCOLN NAVIGATOR light

Note:You do not need to enter an exacttrailer width measurement. You only needto confirm that the width of the trailer is 8.5 ft(2.6 m) or less.
•Trailer length measurement:
The trailer length is the distance betweenthe trailer hitch ball and the rear of the trailer.The maximum length that the system cansupport is 33 ft (10.1 m).
•Enter length of trailer:
The default setting is 18 ft (5.5 m). Togglingup or down using the menu buttonsincreases or decreases the measurement by3 ft (1 m). Select a length that is equal to orwithin 3 ft (1 m) of the actual measuredlength. For example, if the actual measuredlength is 25 ft (7.6 m), toggle the length inthe menu to 27 ft (8.2 m). When you enterthe length of the trailer, the system setup issaved.
Note:If the trailer is actually a bike rack orcargo rack with electrical lighting, enter alength of 3 ft (1 m). Cross Traffic Alert remainson for trailers with a length of 3 ft (1 m) orless.
Note:Proper measurement andmeasurement entry is required for thesystem to function as designed.
System Operation
When you connect a trailer to your vehicle,the trailer set up menu appears in theinformation display. This menu allows you toset up a new trailer or choose from apreviously set up trailer. A warning messageappears and the system turns off if you donot choose or add a new trailer.
Note:The warning message may not appearuntil your vehicle speed reaches 22 mph(35 km/h).
If you select a trailer in the informationdisplay before connecting a trailer to yourvehicle, the system loads the configurationfor the selected trailer. When a trailer isconnected, a warning message appears.
Note:A second warning message mayappear stating that the Cross Traffic Alertsystem has turned off. The Blind SpotInformation System with Trailer Towcontinues to function normally in thissituation.
Note:The system remembers the lastselected trailer set up when you start yourvehicle.
Trailer Considerations
The system is designed to work with a trailerwith a front width of 8.5 ft (2.6 m) or less, anda total length from the trailer hitch ball to therear of the trailer of 33 ft (10.1 m) or less.
Some trailers may cause a slight change insystem performance:
•Large box trailers may cause false alertsto occur when driving next toinfrastructures or near parked cars. Afalse alert may also occur while makinga 90-degree turn.
•Trailers that have a width greater than8.5 ft (2.6 m) at the front and have a totallength greater than 20 ft (6 m) may causedelayed alerts when a vehicle is passingat high speed.
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Driving Aids

System Lights, Messages and AudibleAlerts
When the system detects a vehicle, anindicator illuminates in the exterior mirror onthe side the approaching vehicle is comingfrom. A tone sounds and a message appearsin the information display.
Note:In exceptional conditions, the systemcould alert you even when there is nothingin the detection zone, for example a vehiclepassing in the distance.
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 are blocked, a message mayappear in the information display when youshift into reverse (R). See InformationMessages (page 124).
System Limitations
The system may not correctly operate whenany of the following occur:
•The sensors are blocked.
•Adjacently parked vehicles or objects areobstructing the sensors.
•Vehicles approach at speeds greaterthan 37 mph (60 km/h).
•The vehicle speed is greater than 7 mph(12 km/h).
•You reverse out of an angled parkingspace.
System Errors
If the system detects a fault a messagedisplays. See General Information (page119).
Switching the System Off and On
You can temporarily switch the system offusing the information display. See GeneralInformation (page 119). When you switchsystem off, a message displays. SeeInformation Messages (page 124).
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Note:A high crown in the road or highcrosswinds may also make the steeringseem to wander or pull.
Adaptive Learning
The electronic power steering systemadaptive learning helps correct roadirregularities and improves overall handlingand steering feel. It communicates with thebrake system to help operate advancedstability control and accident avoidancesystems. Additionally, whenever the batteryis disconnected or a new battery installed,you must drive your vehicle a short distancebefore the system relearns the strategy andreactivates all systems.
PRE-COLLISION ASSIST
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.
WARNING: The system does notdetect vehicles that are driving in adifferent direction, cyclists or animals.Failure to take care may result in the lossof control of your vehicle, serious personalinjury or death.
WARNING: The system does notoperate during hard acceleration orsteering. Failure to take care may lead toa crash or personal injury.
WARNING: The system may fail oroperate with reduced function during coldand severe weather conditions. Snow, ice,rain, spray and fog can adversely affect thesystem. Keep the front camera and radarfree of snow and ice. Failure to take caremay result in the loss of control of yourvehicle, serious personal injury or death.
WARNING: In situations where thevehicle camera has limited detectioncapability, this may reduce systemperformance. These situations include butare not limited to direct or low sunlight,vehicles at night without tail lights,unconventional vehicle types, pedestrianswith complex backgrounds, runningpedestrians, partly obscured pedestrians,or pedestrians that the system cannotdistinguish from a group. Failure to takecare may result in the loss of control ofyour vehicle, serious personal injury ordeath.
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Driving Aids

WARNING: The system cannot helpprevent all crashes. Do not rely on thissystem to replace driver judgment and theneed to maintain a safe distance andspeed.
Using the Pre-Collision Assist System
The Pre-Collision Assist system is active atspeeds above approximately 3 mph (5 km/h)and pedestrian detection is active at speedsup to 50 mph (80 km/h).
If your vehicle is rapidly approaching anotherstationary vehicle, a vehicle traveling in thesame direction as yours, or a pedestrianwithin your driving path, the system isdesigned to provide three levels offunctionality:
1. Alert
2. Brake Support
3. Active Braking
Alert: When active, a flashing visual warningappears and an audible warning tonesounds.
Brake Support: The system is designed tohelp reduce the impact speed by preparingthe brakes for rapid braking. Brake supportdoes not automatically apply the brakes. Ifyou press the brake pedal, the system couldapply additional braking up to maximumbraking force, even if you lightly press thebrake pedal.
Active Braking: Active braking may activateif the system determines that a collision isimminent. The system may help the driverreduce impact damage or avoid the crashcompletely.
Note:The Active Braking capability of thesystem is disabled when you select theSLOW CLIMB drive mode.
Note:If you perceive Pre-Collision Assistalerts as being too frequent or disturbing,then you can reduce the alert sensitivity,though the manufacturer recommends usingthe highest sensitivity setting where possible.Setting lower sensitivity would lead to fewerand later system warnings.
Distance Indication and Alert
Distance Indication and Alert is a functionthat provides you with a graphical indicationof the time gap to other preceding vehiclestraveling in the same direction. The DistanceIndication and Alert screen in the informationdisplay shows one of the following graphics.
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Cargo Shelf
To move the board into the shelf position,lift the board and move it to the horizontalposition. Once the board is horizontal, insertthe forward facing nubs into the hooks oneither side.
For the short wheel base system, it isnecessary for the second panel locatedtoward the front of the vehicle to be raisedup when the seats are folded down.
For the long wheel base system, it isnecessary for the second panel locatedtoward the front of the vehicle to be raisedup.
Note:Before moving the board into the shelfposition, you may need to flip down thehooks.
Note:Do not put more than 50 lb (22 kg) onshelf.
Rear Barrier (Bulkhead Position)
To move the board into the rear barrier orbulkhead position, lift the board and move itto the vertical position. Once the board isvertical, insert the rearward facing nubs intothe hooks on either side.
Note:Before moving the board into the rearbarrier or bulkhead position, you may needto flip down the hooks.
CARGO NETS (IF EQUIPPED)
WARNING: This net is not designedto restrain objects during a collision orheavy braking.
The cargo net secures lightweight objectsin the cargo area.
1. Fold down the hooks on the top of therear quarter trim panel.
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TOWING A TRAILER
WARNING: Towing trailersbeyond the maximum recommendedgross trailer weight exceeds the limitof your vehicle and could result inengine damage, transmission damage,structural damage, loss of vehiclecontrol, vehicle rollover and personalinjury.
WARNING: Do not exceed theGVWR or the GAWR specified on thecertification label.
Note: See Recommended TowingWeights (page 310).
Your vehicle may have electrical items,such as fuses or relays, related totowing. See Fuses (page 342).
Your vehicle's load capacity designationis by weight, not by volume, so youcannot necessarily use all availablespace when loading a vehicle or trailer.
Towing a trailer places an extra load onyour vehicle's engine, transmission, axle,brakes, tires and suspension. Inspectthese components periodically during,and after, any towing operation.
Load Placement
To help minimize how trailer movementaffects your vehicle when driving:
•Load the heaviest items closest tothe trailer floor.
•Load the heaviest items centeredbetween the left and right side trailertires.
•Load the heaviest items above thetrailer axles or just slightly forwardtoward the trailer tongue. Do notallow the final trailer tongue weightto go above or below 10-15% of theloaded trailer weight.
•Select a ball mount with the correctrise or drop and load capacity. Whenboth the loaded vehicle and trailerare connected, the trailer frameshould be level, or slightly angleddown toward your vehicle, whenviewed from the side.
When driving with a trailer or payload, aslight takeoff vibration or shudder maybe present due to the increased payloadweight. Additional information regardingproper trailer loading and setting yourvehicle up for towing is located inanother chapter of this manual. SeeLoad Limit (page 293).
You can also find information in the RV& Trailer Towing Guide available at yourauthorized dealer, or online.
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Towing

The system is not available:
•The system relies on many sub-systemsin your vehicle to operate correctly. Ifthose sub-systems are not operatingcorrectly the system may not beavailable.
•Low battery voltage is a condition whichwill prevent the system from operating.Please make sure the battery is correctlycharged if the system is not available.
•You may need to drive your vehiclestraight forward above 25 mph (40 km/h)before the system is available again.
•If the message still displays take yourvehicle to an authorized dealer forservice.
Sticker lost:
•If the system cannot initially find thesticker, it may be necessary for you tochange the lighting conditions by movingthe vehicle and trailer or waiting untilconditions change.
•Check for the following if you receive thelost sticker message while using thesystem.
•Stop your vehicle as soon as themessage displays.
•Make sure the sticker is visible and thepattern is discernable in the rear viewcamera image.
•Clean the sticker and camera to makesure they are unobstructed.
•Clean the lens with a soft, lint-free clothand water.
•Clean the sticker with isopropyl rubbingalcohol sprayed directly onto the sticker,and then wipe clean with a soft cloth.
•Remove any items that may be blockingthe view of the sticker. Depending onyour trailer configuration and anyequipment mounted to your trailer it ispossible for the sticker to be blockedfrom view of the camera as it rotates onthe hitch ball but not be blocked duringsetup. Remove the obstruction ifpossible. It will be necessary to removethe sticker from it’s current location if theobstruction cannot be cleared and placea new sticker that will be visible to thecamera in all positions of the trailerbehind your vehicle.
•Placing the sticker on a surface angledaway from the vehicle reducesperformance. Use a drawbar thatpositions the trailer level to the groundwhen attached to vehicle. This typicallyprovides a level surface to mount thesticker. Place the sticker on a bracket orother object when no level surface isavailable.
•Make sure the entire sticker is on a flatsurface that is completely visible to thecamera. Do not fold the sticker over anedge on the trailer frame. This candegrade performance.
•Shadows on the sticker may effecttracking performance under somelighting conditions. Moving the sticker toanother location within the allowedplacement area may improveperformance. Use the change stickeroption in your Towing menu if you movethe sticker.
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Towing

This feature applies your vehicle brakes atindividual wheels and, if necessary, reducesengine power. If the trailer begins to sway,the stability control light flashes and themessage TRAILER SWAY REDUCE SPEEDappears in the information display. The firstthing to do is slow your vehicle down, thenpull safely to the side of the road and checkfor proper tongue load and trailer loaddistribution. See Load Carrying (page 288).
RECOMMENDED TOWING
WEIGHTS
Note:Do not exceed the trailer weightfor your vehicle configuration listed inthe chart below.
Note:Make sure to take intoconsideration trailer frontal area. Do notexceed 36.5 feet² (3.39 meters²) if yourvehicle is equipped with the standardtowing package, or 60 feet² (5.57meters²) if your vehicle is equipped withthe optional heavy duty package.
Note:Exceeding this limitation maysignificantly reduce the performance ofyour towing vehicle. Selecting a trailerwith a low aerodynamic drag androunded front design helps optimizeperformance and fuel economy.
Note:For high altitude operation,reduce the gross combined weight by2% per 1,000 ft (300 m) starting at the1,000 ft (300 m) elevation point.
Note:Certain states require electrictrailer brakes for trailers over a specifiedweight. Be sure to check stateregulations for this specified weight. Themaximum trailer weights listed may belimited to this specified weight, as thevehicle’s electrical system may notinclude the wiring connector needed to
activate electric trailer brakes.
Your vehicle may tow a trailer providedthe maximum trailer weight is less thanor equal to the maximum trailer weightlisted for your vehicle configuration onthe following chart.
To calculate the maximum loaded trailerweight for your vehicle:
1.Start with the gross combined weightrating for your vehicle model andaxle ratio. See the following chart.
2.Subtract all of the following that
apply to your vehicle:
•Vehicle curb weight
•Hitch hardware weight, such as adraw bar, ball, locks or weightdistributing
•Driver weight
•Passenger(s) weight
•Payload, cargo and luggageweight
•Aftermarket equipment weight.
3. This equals the maximum loadedtrailer weight for this combination.
Note:The trailer tongue load figuresinto the payload for your vehicle.Reduce the total payload by the finaltrailer tongue weight.
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Towing