brake LINCOLN NAVIGATOR 2018 Workshop Manual

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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When you shift to reverse (R), the sidesensing system provides audible warningswhen your vehicle is moving and obstaclesare detected within 24 in (60 cm) and areinside the driving path of your vehicle. Whenyou stop your vehicle the audible warningstops after two seconds.
Note:Visual distance indication remains onwhen the transmission is in reverse (R).
When you shift to drive (D) or any otherforward gear, for example, low (L), sport (S)or any forward gear in manual transmission,the side sensing system provides audibleand visual distance warnings when yourvehicle is moving below a speed of 5 mph(8 km/h) and obstacles are detected within24 in (60 cm) and are inside the driving pathof your vehicle. Once your vehicle reachesa standstill condition, the audible warningstops after two seconds and visual indicationstops after four seconds.
If the transmission is in neutral (N), the sidesensing system provides visual distanceindication only when your vehicle is movingbelow a speed of 5 mph (8 km/h) and thereis a front or rear parking aid obstacledetected, and the side obstacle is within24 in (60 cm) from the side of your vehicle.When you stop your vehicle the visualdistance indication stops after four seconds.
If the side sensing system is not available,the side distance indicator blocks do notappear.
The side sensing system is not availableunder the following condition:
•If you switch the traction control systemoff.
The side sensing system may not beavailable until you have driven approximatelythe length of your vehicle in order for thesystem to reinitialize if:
•You switch the ignition on, off and backon.
•Your vehicle remains stationary for overtwo minutes.
•The anti-lock brake system is activated.
•The traction control system is activated.
•When the steering wheel angleinformation is not available, the sidesensing system is not available. Thevehicle must be driven at least 492 ft(150 m) above 19 mph (30 km/h) torecover the steering wheel angleinformation.
ACTIVE PARK ASSIST (IF EQUIPPED)
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.
WARNING: The sensors may notdetect objects in heavy rain or otherconditions that cause interference.
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Parking Aids

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

Using Active Park Assist
Selecting an Active Park Assist Mode
Press the button once to activateparallel parking. Press the buttona second time to activateperpendicular parking. If you press thebutton again the system switches off.
If your vehicle is parked and after you switchthe ignition on, you can use the informationdisplay to toggle through the modes. Pressthe button to switch the system on and openthe system menu in the information display.
Note:If your vehicle is parked, the defaultmode is parallel park out assist. However, ifyou did not use active park assist to parallelpark your vehicle, use the informationdisplay to select park out assist.
Note:You can repeatedly press the activepark assist button to toggle through themodes only after moving your vehicleapproximately 33 ft (10 m).
To toggle through the modes, use thebuttons on the information display to selectthe following:
•Parallel parking.
•Perpendicular parking.
•Parallel park out assist.
•Switch the system off.
Note:There is no time limit for togglingthrough the modes.
Parallel Parking
The system detects available parallel parkingspaces and steers your vehicle into thespace. You control the accelerator, gearshiftand brakes. The system visually and audiblyguides you into a parallel parking space.
Press the button once to searchfor a parking space.
Note:You can also switch the system onafter you have already driven partially orcompletely past a parking space. Press theactive park assist button and the systeminforms you if you have recently passed asuitable parking space.
When the vehicle speed is less than 22 mph(35 km/h), the system scans both sides ofyour vehicle for an available parking space.A message and a graphic appear in theinformation display to indicate the system issearching for a parking space. Use thedirection indicator lever to search for aparking space on the driver or passengerside of your vehicle.
Note:The system scans both sides of yourvehicle and offers parking spaces one sideat a time if you do not use the directionindicator.
Note:The system defaults to the passengerside if you do not use the direction indicator.
Drive your vehicle approximately 3 ft (1 m)and parallel to the other parked vehicleswhen searching for a parking space.
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Certain vehicle conditions may alsodeactivate the system, for example:
•The traction control system activates orfails.
•The anti-lock brake system activates orfails.
If the system malfunctions, a messageappears and a tone sounds. Have yourvehicle checked as soon as possible.
Perpendicular Parking
The system detects available perpendicularparking spaces and steers your vehicle intothe space. You control the accelerator,gearshift and brakes. The system visuallyand audibly guides you into a perpendicularparking space.
Press the button twice to searchfor a parking space.
When the vehicle speed is less than 19 mph(30 km/h), the system scans both sides ofyour vehicle for an available parking space.A message and a graphic appear in theinformation display to indicate the system issearching for a parking space. Use thedirection indicator lever to search for aparking space on the driver or passengerside of your vehicle.
Note:The system scans both sides of yourvehicle and offers parking spaces one sideat a time if you do not use the directionindicator.
Note:The system defaults to the passengerside if you do not use the direction indicator.
Drive your vehicle approximately 3 ft (1 m)and perpendicular to the other parkedvehicles when searching for a parking space.
Note:If you drive your vehicle less than 2 ft(0.5 m) or greater than 5 ft (1.5 m) away fromother parked vehicles, the system may notbe able to detect an available parkingspace.
When the system detects a suitable space,a message displays and a tone sounds. Stopyour vehicle and follow the onscreeninstructions. If your vehicle is moving veryslowly, you may have to move forward ashort distance before the system is ready topark.
Note:You must observe that the space thesystem selects remains clear of obstructionsat all times during the maneuver.
Note:The system always offers the lastdetected parking space. For example, if yourvehicle detects multiple spaces when youare driving, it offers the last one.
Note:If the vehicle speed is greater thanapproximately 19 mph (30 km/h), the systemshows a message to instruct you to reducethe vehicle speed.
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Automatically Steering into a PerpendicularParking Space
When you shift into reverse (R), with yourhands off the steering wheel and nothingobstructing its movement, your vehicle steersitself into the space. The system displaysinstructions to move your vehicle backwardand forward in the space.
Note:If the vehicle speed exceedsapproximately 6 mph (9 km/h), you interruptthe maneuver, or the system switches off,you must take full control of your vehicle.
Note:If the system detects an object is veryclose to your vehicle and it may be unsafeto continue the maneuver, it may instruct youto stop your vehicle. The system may notprovide any further instruction. Steeringassistance continues to operate but youmust decide if it is safe to continue themaneuver.
When you believe your vehicle is correctlyparked, or a solid tone sounds and aninformation message appears, bring yourvehicle to a complete stop.
When the active park assist maneuver iscomplete, a tone sounds and a messageappears.
Note:You are responsible for checking howyour vehicle is parked and making anynecessary corrections before leaving yourvehicle.
Deactivating Active Park Assist
You can manually deactivate the system by:
•Pressing the Active Park Assist buttonduring an active maneuver.
•Grabbing the steering wheel during anactive maneuver.
•Driving above 19 mph (30 km/h) for 30seconds when searching for a parkingspace.
•Driving above 31 mph (50 km/h).
•Driving above 6 mph (9 km/h) during anactive maneuver.
•Switching the traction control system off.
Certain vehicle conditions may alsodeactivate the system, for example:
•The traction control system activates orfails.
•The anti-lock brake system activates orfails.
If the system malfunctions, a messageappears and a tone sounds. Have yourvehicle checked as soon as possible.
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Parallel Park Out Assist
The system steers your vehicle out of aparallel parking space. You control theaccelerator, gearshift and brakes. The systemvisually and audibly guides you out of aparallel parking space.
Note:This system is not intended to assistwhen exiting a perpendicular parking space.
Press the button once when yourvehicle is stationary in a parallelparking space.
Note:If you did not use active park assist toparallel park your vehicle, pressing thebutton once selects parallel park. You mustuse the information display to select parkout assist.
The system displays a message instructingyou to switch a direction indicator on. Usethe direction indicator to select which sideof your vehicle you want to exit the parkingspace. The system displays instructions tomove your vehicle backward and forward inthe space.
Note:If the system detects an object is veryclose to your vehicle and it may be unsafeto continue the maneuver, it may instruct youto stop your vehicle. The system may notprovide any further instruction. Steeringassistance continues to operate but youmust decide if it is safe to continue themaneuver.
After the system directs your vehicle to aposition where you can exit the parkingspace in a forward movement, a messageappears instructing you to take full controlof your vehicle. Generally, hand-over is whenyour vehicle is still inside the parking space.
Note:Parallel Park Out Assist may not beavailable when the clearance to the front orthe rear of your vehicle is too small.
Note:If the vehicle speed exceedsapproximately 6 mph (9 km/h), you interruptthe maneuver, or the system switches off,you must take full control of your vehicle.
Note:You are responsible for controllingyour vehicle and making sure the path isclear prior to pulling into traffic.
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PRINCIPLE OF OPERATION
Cruise control lets you maintain a set speedwithout keeping your foot on the acceleratorpedal. You can use cruise control when yourvehicle speed is greater than 20 mph(30 km/h).
USING CRUISE CONTROL (IF EQUIPPED)
WARNING: Do not use cruise controlon winding roads, in heavy traffic or whenthe road surface is slippery. This couldresult in loss of vehicle control, seriousinjury or death.
WARNING: When you are goingdownhill, your vehicle speed couldincrease above the set speed. The systemdoes not apply the brakes.
Note:Cruise control disengages if thevehicle speed decreases more than 10 mph(16 km/h) below the set speed when drivinguphill.
The cruise controls are on the steeringwheel.
Switching Cruise Control On
Press ON.
The indicator appears in theinformation display.
Setting the Cruise Speed
1. Drive to desired speed.
2. Press SET+ or SET-.
3.Take your foot off the accelerator pedal.
Note:The indicator changes color.
Changing the Set Speed
Note: If you accelerate by pressing theaccelerator pedal, the set speed will notchange. When you release the acceleratorpedal, your vehicle returns to the speed thatyou previously set.
•Press SET+ or SET- to change the setspeed in small increments.
•Press the accelerator or brake pedal untilyou reach the desired speed. Press SET+or SET-.
•Press and hold SET+ or SET-. Releasethe control when you reach the desiredspeed.
Canceling the Set Speed
Press CAN or tap the brake pedal. The setspeed does not erase.
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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

The adaptive cruise controls are on thesteering wheel.
Switching Adaptive Cruise Control On
Press ON.
The indicator, current gap settingand set speed appear in theinformation display.
Setting the Adaptive Cruise Speed
Note:When adaptive cruise control is active,the speedometer may vary slightly from theset speed displayed in the informationdisplay.
1. Drive to desired speed.
2. Press SET-.
3. A green indicator light, the current gapsetting and your set speed appear in theinformation display.
4.Take your foot off the accelerator pedal.
5.A vehicle image illuminates if the systemdetects a vehicle in front of you.
Setting the Adaptive Cruise SpeedWhen Your Vehicle is Stationary
1. Follow a vehicle to a complete stop.
2. Keep the brake pedal fully pressed.
3. Press RES+.
4. The set speed adjusts to 20 mph(30 km/h).
5. A green indicator light, the current gapsetting and your set speed appear in theinformation display.
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