2018 LINCOLN NAVIGATOR lock

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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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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Adjusting the Pre-Collision AssistSettings
You can adjust the following settings byusing the information display controls. SeeGeneral Information (page 119).
•You can adjust the Alert and DistanceAlert sensitivity to one of three possiblesettings.
•You can switch the Distance Indicationand Alert function on or off.
•If required, you can switch Active Brakingon or off.
Note:Active braking automatically turns onevery time you switch the ignition on.
Blocked Sensors
If a message regarding a blocked sensor orcamera appears in the information display,the radar signals or camera images areobstructed. The radar sensor is locatedbehind a fascia cover near the passengerside of the lower grille. With an obstructedradar, the Pre-Collision Assist system doesnot function and cannot detect a vehicleahead. With the front camera obstructed, thePre-Collision Assist system does not respondto pedestrians or stationary vehicles and thesystem performance on moving vehiclesreduces. The following table lists possiblecauses and actions for when this messagedisplays.
ActionCause
Clean the grille surface in front of the radar or remove the objectcausing the obstruction.The surface of the radar in the grille is dirty or obstructed in someway.
Wait a short time. It may take several minutes for the radar to detectthat there is no obstruction.The surface of the radar in the grille is clean but the message remainsin the display.
The Pre-Collision Assist system is temporarily disabled. Pre-CollisionAssist should automatically reactivate a short time after the weatherconditions improve.Heavy rain, spray, snow, or fog is interfering with the radar signals.
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Note:The system does not function if yourhands are on the steering wheel. Removeyour hands to resume operation.
Follow the screen prompts to steer yourvehicle and trailer.
Note:You may have to drive forward tostraighten the trailer.
Take your hands off the steering wheel andturn the Pro Trailer Backup Assist controlknob instead. The knob acts as the steeringcontrol for the trailer.
Note:The more you turn the knob, thesharper the trailer turns.
Turn and hold counterclockwise to make thetrailer go left.
Turn and hold clockwise to make the trailergo right.
Note:Practice maneuvering with the systemin a safe open area first.
Note:Try backing up in a straight line andthen turning the knob slowly in the directionyou want to go.
Note:Quickly turning and releasing the knobresults in a jerky movement of the vehicle.
Release the knob when the trailer is movingin the direction you want. Control theaccelerator and brakes while the systemsteers your vehicle automatically to keep thetrailer moving straight back.
Note:You may have to use the knob tocorrect the trailer direction when attemptingto move the trailer straight back under someconditions.
Note:Your vehicle speed is automaticallylimited.
Note:When you release the knob or turn itto the center position, your vehicle followsthe trailer's path.
Troubleshooting
Note:The system requires a clear view ofthe sticker placed on the trailer. You mustkeep the camera lens and sticker clean forthe system to operate correctly.
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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

Maximum Tongue WeightMaximum Trailer WeightMode
600 lb (272 kg)6,000 lb (2,722 kg)Weight carrying
900 lb (408 kg)9,000 lb (4,082 kg)Weight distributing
Note:These are hitch ratings only. Actualvehicle ratings are dependent on engine,transmission and axle combinations.
Weight-distributing Hitch
WARNING: Do not adjust the springbars so that your vehicle's rear bumper ishigher than before attaching the trailer.Doing so will defeat the function of theweight-distributing hitch, which may causeunpredictable handling, and could resultin serious personal injury.
When hooking-up a trailer using aweight-distributing hitch, always use thefollowing procedure:
1. Park the loaded vehicle, without thetrailer, on a level surface.
2. Measure the height to the top of yourvehicle's front wheel opening on thefender. This is H1.
3. Attach the loaded trailer to your vehiclewithout the weight-distributing barsconnected.
4. Measure the height to the top of yourvehicle's front wheel opening on thefender a second time. This is H2.
5. Install and adjust the tension in theweight-distributing bars so that the heightof your vehicle's front wheel opening onthe fender is approximately half the waydown from H2, toward H1.
6. Check that the trailer is level or slightlynose down toward your vehicle. If not,adjust the ball height accordingly andrepeat Steps 2-6.
When the trailer is level or slightly nose downtoward the vehicle:
•Lock the bar tension adjuster in place.
•Check that the trailer tongue securelyattaches and locks onto the hitch.
•Install safety chains, lighting and trailerbrake controls as required by law or thetrailer manufacturer.
Safety Chains
Note:Do not attach safety chains to thebumper. Always connect the safety chainsto the frame or hook retainers of your trailerhitch.
Install trailer safety chains to the trailer hitchas recommended by the manufacturer. Crossthe chains under the trailer tongue and allowenough slack for turning tight corners. Donot allow the chains to drag on the ground.
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Towing

The gain setting sets the trailer brakecontroller for the specific towing condition.You should change the setting as towingconditions change. Changes to towingconditions include trailer load, vehicle load,road conditions and weather.
The gain should be set to provide themaximum trailer braking assistance whilemaking sure the trailer wheels do not lockwhen using the brakes. Locked trailer wheelsmay lead to trailer instability.
1.Make sure the trailer brakes are in goodworking condition, functioning normallyand properly adjusted. See your trailerdealer if necessary.
2. Hook up the trailer and make theelectrical connections according to thetrailer manufacturer's instructions.
3.When you plug in a trailer with electric orelectric-over-hydraulic brakes, a messageconfirming connection appears in theinformation display.
4.Use the gain adjustment (+ and -) buttonsto increase or decrease the gain settingto the desired starting point. A gainsetting of 6.0 is a good starting point forheavier loads.
5. In a traffic-free environment, tow thetrailer on a dry, level surface at a speedof 20–25 mph (32–40 km/h) andsqueeze the manual control levercompletely.
6.If the trailer wheels lock up, indicated bysquealing tires, reduce the gain setting.If the trailer wheels turn freely, increasethe gain setting. Repeat Steps 5 and 6until the gain setting is at a point justbelow trailer wheel lock-up. If towing aheavier trailer, trailer wheel lock-up maynot be attainable even with the maximumgain setting of 10.
Explanation of Information Display WarningMessages
Note:An authorized dealer can diagnosethe trailer brake controller to determineexactly which trailer fault has occurred.However, your warranty does not cover thisdiagnosis if the fault is with the trailer.
A message indicating a trailer brake modulefault may display in response to faults sensedby the trailer brake controller, accompaniedby a single tone. If this message appears,contact an authorized dealer as soon aspossible for diagnosis and repair. Thecontroller may still function, but performancemay be degraded.
A message indicating a trailer wiring faultmay display when there is a short circuit onthe electric brake output wire. If this messagedisplays, accompanied by a single tone, withno trailer connected, the problem is with yourvehicle wiring between the trailer brakecontroller and the 7-pin connector at thebumper. If the message only displays with atrailer connected, the problem is with thetrailer wiring. Consult your trailer dealer forassistance. This can be a short to ground(such as a chaffed wire), short to voltage(such as a pulled pin on trailer emergencybreakaway battery) or the trailer brakes maybe drawing too much current.
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Towing