2018 LINCOLN NAVIGATOR brakes

PRINCIPLE OF OPERATION
The traction control system helps avoid drivewheel spin and loss of traction.
If your vehicle begins to slide, the systemapplies the brakes to individual wheels and,when needed, reduces engine power at thesame time. If the wheels spin whenaccelerating on slippery or loose surfaces,the system reduces engine power in orderto increase traction.
USING TRACTION CONTROL
WARNING: The stability and tractioncontrol light illuminates steadily if thesystem detects a failure. Make sure youdid not manually disable the tractioncontrol system using the informationdisplay controls or the switch. If the stabilitycontrol and traction control light is still
illuminating steadily, have the systemserviced by an authorized dealerimmediately. Operating your vehicle withthe traction control disabled could lead toan increased risk of loss of vehicle control,vehicle rollover, personal injury and death.
The system automatically turns on each timeyou switch the ignition on.
If your vehicle is stuck in mud or snow,switching traction control off may bebeneficial as this allows the wheels to spin.
Note:When you switch traction control off,stability control remains fully active.
Switching the System On and Off
You can switch traction control on and offthrough the information display controls. SeeGeneral Information (page 119).
When you switch the system off, a messageand an illuminated icon appear on theinstrument cluster.
Switch traction control on again to return thesystem to normal operations.
Note:Your vehicle may have MyKeyrestrictions regarding this feature. SeePrinciple of Operation (page 68).
System Indicator Lights and Messages
The stability and traction controllight temporarily illuminates onengine start-up and flashes:
•When a driving condition activates eitherof the systems.
•If a problem occurs in either of thesystems.
The stability and traction controloff light temporarily illuminates onengine start-up and stays on whenyou switch the traction control system off.
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Electronic Stability Control
The system enhances your vehicle’s abilityto prevent skids or lateral slides by applyingbrakes to one or more of the wheelsindividually and, if necessary, reducingengine power.
Roll Stability Control
The system enhances your vehicle’s abilityto prevent rollovers by detecting yourvehicle’s roll motion and the rate at which itchanges by applying the brakes to one ormore wheels individually.
Traction Control
The system enhances your vehicle’s abilityto maintain traction of the wheels bydetecting and controlling wheel spin. SeeUsing Traction Control (page 232).Vehicle without stability controlskidding off its intended route.A
Vehicle with stability controlmaintaining control on a slipperysurface.
B
USING STABILITY CONTROL
Stability Control and Traction Controlwith Roll Stability Control™ (RSC™)
The system automatically activates when youstart your engine. When the transmission isin reverse (R), they are disabled. You canswitch off the traction control portion of thesystem independently. See Using TractionControl (page 232).
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B
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PRINCIPLE OF OPERATION
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: Hill descent control doesnot provide hill hold at zero miles per hour(0 kilometers per hour). When stopped,you must apply the parking brake or placethe vehicle in P (Park), or it may roll away.
Hill descent control allows you to set andmaintain vehicle speed while descendingsteep grades in various surface conditions.
Hill descent control can maintain vehiclespeeds on downhill grades between 2 mph(3 km/h) and 12 mph (20 km/h). Above 20mph (32 km/h), the system remains armed,but you cannot use the system to set ormaintain the descent speed.
Hill descent control requires a cooling downinterval after a period of sustained use. Theamount of time that the feature can remainactive before cooling varies with conditions.The system provides a warning in themessage center and a tone sounds whenthe system is about to disengage for cooling.At this time, manually apply the brakes asneeded to maintain descent speed.
USING HILL DESCENT CONTROL
You can switch the hill descentcontrol on and off through theinformation display.
To increase descent speed, press theaccelerator pedal until you reach the desiredspeed. To decrease descent speed, pressthe brake pedal until you reach the desiredspeed.
Whether accelerating or decelerating, onceyou reach the desired descent speed,remove your feet from the pedals and hilldescent control maintains the chosen vehiclespeed.
Note:You may observe noise from the ABSpump motor during hill descent controloperation. This is a normal characteristic ofthe ABS and should be no reason forconcern.
Hill Descent Modes
•At speeds between 2 mph (3 km/h) and20 mph (32 km/h): Your vehicle maintainsthe speed you desire while in this mode.
•At speeds between 20 mph (32 km/h)and 40 mph (64 km/h): Your vehicle doesnot maintain the speed you desire andyou cannot set your descent speed.
•At speeds above 40 mph (64 km/h): Youneed to switch this feature back on touse.
Refer to the Information Display for additionalhill descent control messages. SeeInformation Messages (page 124).
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Hill Descent Control (If Equipped)

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

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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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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