brake LINCOLN MKZ 2018 Workshop Manual

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)
WARNINGS
Do not use cruise control on windingroads, in heavy traffic or when the roadsurface is slippery. This could result in lossof vehicle control, serious injury or death.
When you are going downhill, yourvehicle speed could increase abovethe set speed. The system does not applythe brakes.
Note:Cruise control disengages if thevehicle speed decreases more than 10 mph(16 km/h) below the set speed when drivinguphill.
To help the system to maintain the set speedwhen going downhill, downshift to a lowergear.
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 CNCL or tap the brake pedal. The setspeed does not erase.
Resuming the Set Speed
Press RES.
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Switching Cruise Control Off
Note:You erase the set speed when youswitch the system off.
Press OFF when the system is in stand bymode, or switch the ignition off.
USING ADAPTIVE CRUISE
CONTROL (If Equipped)
WARNINGS
Always pay close attention to changingroad conditions when using adaptivecruise control. The system does not replaceattentive driving. Failing to pay attention tothe road may result in a crash, serious injuryor death.
Do not use the adaptive cruise controlwhen entering or leaving a highway,on roads with intersections or roundaboutsor non-vehicular traffic or roads that arewinding, slippery, unpaved, or steep slopes.
Do not use the system in poor visibility,for example fog, heavy rain, spray orsnow.
WARNINGS
Do not use the system when towing atrailer with aftermarket trailer brakecontrols. Aftermarket trailer brakes will notfunction properly when you switch thesystem on because the brakes areelectronically controlled. Failing to do so mayresult in loss of vehicle control, which couldresult in serious injury.
Do not use tire sizes other than thoserecommended because this can affectthe normal operation of the system. Failureto do so may result in a loss of vehiclecontrol, which could result in serious injury.
Adaptive cruise control may not detectstationary or slow moving vehiclesbelow 6 mph (10 km/h).
Adaptive cruise control does not detectpedestrians or objects in the road.
Adaptive cruise control does not detectoncoming vehicles in the same lane.
Adaptive cruise control is not a crashwarning or avoidance system.
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.
The adaptive cruise controls are on thesteering wheel.
Switching Adaptive Cruise Control On
Press ON.
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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.
Following a Vehicle
WARNINGS
When following a vehicle, your vehicledoes not always decelerate quicklyenough to avoid a crash without driverintervention. Always apply the brakes whennecessary. Failing to do so may result in acrash, serious injury or death.
Adaptive cruise control only warns ofvehicles detected by the radar sensor.In some cases there may be no warning ora delayed warning. You should always applythe brakes when necessary. Failure to do somay result in a crash, serious injury or death.
Note:When you are following a vehicle andyou switch on a direction indicator, adaptivecruise control may provide a small temporaryacceleration to help you pass.
Note:The brakes may emit noise whenapplied by the system.
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When a vehicle ahead of you enters thesame lane or a slower vehicle is ahead in thesame lane, the vehicle speed adjusts tomaintain a preset gap distance. A vehiclegraphic illuminates in the instrument cluster.
Your vehicle maintains a consistent gap fromthe vehicle ahead until:
•The vehicle in front of you accelerates toa speed above the set speed.
•The vehicle in front of you moves out ofthe lane you are in.
•The vehicle speed falls below 12 mph(20 km/h).
•You set a new gap distance.
The system applies the brakes to slow yourvehicle to maintain a safe gap distance fromthe vehicle in front. The system only applieslimited braking. You can override the systemby applying the brakes.
If the system determines that its maximumbraking level is not sufficient, an audiblewarning sounds when the system continuesto brake. A red warning bar displays on thewindshield and you must take immediateaction.
Following a Vehicle to a Complete Stop
If your vehicle follows a vehicle to a completestop and remains stationary for less thanthree seconds, your vehicle accelerates froma stationary position to follow the vehicleahead.
If your vehicle follows a vehicle to a completestop and remains stationary for more thanthree seconds, press RES+ or the acceleratorpedal to follow the vehicle ahead.
Setting the Gap Distance
Note:The gap setting is time dependent andtherefore the distance adjusts with yourvehicle speed.
Note:It is your responsibility to select a gapappropriate to the driving conditions.
You can decrease or increase the distancebetween your vehicle and the vehicle in frontby pressing the gap control.
Gap decrease.A
Gap increase.B
The selected gap appears in the informationdisplay as shown by the bars in the image.
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Adaptive Cruise Control Gap Settings
Dynamic behaviorGraphic display, barsindicated betweenvehicles
Sport.1
Normal.2
Normal.3
Comfort.4
Each time you switch the system on, itselects the last chosen gap setting.
Overriding the Set Speed
WARNING
If you override the system by pressingthe accelerator pedal, it does notautomatically apply the brakes to maintain agap from any vehicle ahead.
When you press the accelerator pedal, youoverride the set speed and gap distance.
When you override the system, thegreen indicator light illuminatesand the vehicle image does notappear in the information display.
The system resumes operation when yourelease the accelerator pedal. The vehiclespeed decreases to the set speed, or a lowerspeed if following a slower vehicle.
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 CNCL 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
Note:If the engine speed drops too low, anaudible warning sounds and a messageappears in the information display.Automatic braking releases.
Automatic cancellation can also occur if:
•The tires lose traction.
•You apply the parking brake.
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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 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.
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.
Detection Issues
WARNINGS
On rare occasions, detection issuescan occur due to the roadinfrastructures, for example bridges, tunnelsand safety barriers. In these cases, thesystem may brake late or unexpectedly. Atall times, you are responsible for controllingyour vehicle, supervising the system andintervening, if required.
If the system malfunctions, have yourvehicle checked as soon as possible.
The radar sensor has a limited field of view.It may not detect vehicles at all or detect avehicle later than expected in somesituations. The lead vehicle graphic does notilluminate if the system does not detect avehicle in front of you.
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Detection issues can occur:
When driving on a different linethan the vehicle in front.A
With vehicles that edge into yourlane. The system can only detectthese vehicles once they movefully into your lane.
B
There may be issues with thedetection of vehicles in front whendriving into and coming out of abend or curve in the road.
C
In these cases, the system may brake late orunexpectedly. You should stay alert and takeaction when necessary.
If something hits the front end of your vehicleor damage occurs, the radar-sensing zonemay change. This could cause missed orfalse vehicle detection.
System Not Available
The system may not turn on if there is:
•A blocked sensor.
•High brake temperature.
•A failure in the system or a relatedsystem.
•The system may not detect a lead vehicleafter you stop, or driving at low speeds.
Blocked Sensor
Note:You cannot see the sensor. It is behinda fascia panel.
A message displays if something obstructsthe radar signals from the sensor. Thesensor is in the lower grille. The systemcannot detect a vehicle ahead and does notfunction when something blocks the sensor.
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Switching to Normal Cruise Control
WARNING
Normal cruise control will not brakewhen your vehicle is approachingslower vehicles. Always be aware of whichmode you have selected and apply thebrakes when necessary.
You can change from adaptive cruise controlto normal cruise control through theinformation display.
The cruise control indicator lightreplaces the adaptive cruisecontrol indicator light if you selectnormal cruise control. The gap setting doesnot display, and the system does not respondto lead vehicles. Automatic braking remainsactive to maintain set speed.
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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 (If Equipped)
WARNINGS
At all times, you are responsible forcontrolling your vehicle, supervisingthe system and intervening, if required.Failure to take care may result in the loss ofcontrol of your vehicle, serious personalinjury or death.
WARNINGS
The system is designed to aid thedriver. It is not intended to replace yourattention and judgment. You are stillresponsible to drive with due care andattention.
The system does not detect vehiclesthat are driving in a different direction,pedestrians at night, cyclists or animals.Failure to take care may result in the loss ofcontrol of your vehicle, serious personalinjury or death.
The system does not operate duringhard acceleration or steering. Failureto take care may lead to a crash or personalinjury.
The system may fail or operate withreduced function during cold andsevere weather conditions. Snow, ice, rain,spray and fog can adversely affect thesystem. Keep the front camera and radar freeof snow and ice. Failure to take care mayresult in the loss of control of your vehicle,serious personal injury or death.
WARNINGS
In situations where the vehicle camerahas limited detection capability, thismay reduce system performance. Thesesituations include but are not limited to director low sunlight, vehicles at night without taillights, unconventional vehicle types,pedestrians with complex backgrounds,running pedestrians, partly obscuredpedestrians, or pedestrians that the systemcannot distinguish from a group. Failure totake care may result in the loss of control ofyour vehicle, serious personal injury or death.
The system cannot help prevent allcrashes. Do not rely on this system toreplace driver judgment and the need tomaintain a safe distance and speed.
Using the Pre-Collision Assist System
The system is active at speeds aboveapproximately 3 mph (5 km/h) and pedestriandetection is active at speeds up to 50 mph(80 km/h).
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Driving Aids

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 activated, a red warning lightflashes, an audible warning chime soundsand a warning message shows in theinformation display.
Brake Support: Assists the driver in reducingcollision speed by preparing the brakesystem for rapid braking. Brake support doesnot automatically activate the brakes, but ifthe brake pedal is pressed even lightly bythe driver, brake support could addadditional braking up to full force.
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: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.
Adjusting the Pre-Collision Assist Settings
You can adjust the Pre-Collision Assistsettings by using the information displaycontrol. See General Information (page 111).
If required, you can switch active braking offusing the information display control. SeeGeneral Information (page 111).
Note:Active braking automatically turns onevery time you switch the ignition on.
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