LINCOLN MKZ 2018 Owners Manual

Adjusting Automatic Transmission FluidLevels
Before adding any fluid, make sure thecorrect type is used. The type of fluid usedis normally indicated on the dipstick and alsoin the Technical Specifications section in thischapter.
Note:An overfill condition of transmissionfluid may cause shift or engagementconcerns or possible damage.
Do not use supplemental transmission fluidadditives, treatments or cleaning agents. Theuse of these materials may affecttransmission operation and result in damageto internal transmission components.Reinstall the air filter assembly. After the fluidlevel has been checked and adjusted asnecessary, do the following:
1. Shut the engine off.
2. Loosen the clamp holding the air filterassembly to the rubber hose.
3.Rotate the air filter assembly 90 degreesclockwise without disconnecting thesensor.
4.Seat the air filter assembly back into thegrommets by pushing down on the airfilter assembly.
5. Tighten the clamp.
6. Install and tighten two bolts that attachair filter assembly to the front of thevehicle.
7. Install the bolt cover (if equipped).
8. Reinstall the harness retaining clip intothe front of the air filter assembly.
BRAKE FLUID CHECK
WARNINGS
Do not use any fluid other than therecommended brake fluid as this willreduce brake efficiency. Use of incorrect fluidcould result in the loss of vehicle control,serious personal injury or death.
Only use brake fluid from a sealedcontainer. Contamination with dirt,water, petroleum products or other materialsmay result in brake system damage or failure.Failure to adhere to this warning could resultin the loss of vehicle control, seriouspersonal injury or death.
Do not allow the fluid to touch yourskin or eyes. If this happens, rinse theaffected areas immediately with plenty ofwater and contact your physician.
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WARNINGS
A fluid level between the MAX andMIN lines is within the normaloperating range and there is no need to addfluid. A fluid level not in the normal operatingrange could compromise the performanceof the system. Have your vehicle checkedimmediately.
To avoid fluid contamination, the reservoircap must remain in place and fully tight,unless you are adding fluid.
Only use fluid that meets Ford specifications.See Capacities and Specifications (page373).
WASHER FLUID CHECK
WARNING
If you operate your vehicle intemperatures below 41.0°F (5°C), usewasher fluid with antifreeze protection.Failure to use washer fluid with antifreezeprotection in cold weather could result inimpaired windshield vision and increase therisk of injury or accident.
Note:The front and rear washer systemsare supplied from the same reservoir.
Add fluid to fill the reservoir if the level is low.Only use a washer fluid that meets Fordspecifications. See Capacities andSpecifications (page 373).
State or local regulations on volatile organiccompounds may restrict the use of methanol,a common windshield washer antifreezeadditive. Washer fluids containingnon-methanol antifreeze agents should beused only if they provide cold weatherprotection without damaging the vehicle’spaint finish, wiper blades or washer system.
FUEL FILTER
2.0L Engines and 3.0L Engines withFWD
Your vehicle is equipped with a lifetime fuelfilter that is integrated with the fuel tank.Regular maintenance or replacement is notneeded.
3.0L Engines with AWD
The fuel filter on your vehicle must bereplaced at the specified service interval.See Scheduled Maintenance (page 509).
CHANGING THE 12V BATTERY
WARNINGS
Batteries normally produce explosivegases which can cause personal injury.Therefore, do not allow flames, sparks orlighted substances to come near the battery.When working near the battery, always shieldyour face and protect your eyes. Alwaysprovide correct ventilation.
When lifting a plastic-cased battery,excessive pressure on the end wallscould cause acid to flow through the ventcaps, resulting in personal injury and damageto the vehicle or battery. Lift the battery witha battery carrier or with your hands onopposite corners.
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WARNINGS
Keep batteries out of reach of children.Batteries contain sulfuric acid. Avoidcontact with skin, eyes or clothing. Shieldyour eyes when working near the battery toprotect against possible splashing of acidsolution. In case of acid contact with skin oreyes, flush immediately with water for aminimum of 15 minutes and get promptmedical attention. If acid is swallowed, call aphysician immediately.
Battery posts, terminals and relatedaccessories contain lead and leadcompounds. Wash hands after handling.
For vehicles with Auto-Start-Stop thebattery requirement is different. Youmust replace the battery with one of exactlythe same specification.
Your vehicle is fitted with a Motorcraftmaintenance-free battery which normallydoes not require additional water.
When a battery replacement is required, youmust use a recommended replacementbattery that matches the electricalrequirements of the vehicle.
Note:If your vehicle has a battery cover,after cleaning or replacing the battery, makesure you reinstall it.
Note:See an authorized dealer for batteryaccess, testing, or replacement.
To make sure the battery managementsystem works correctly, do not connect anelectrical device ground connection directlyto the battery negative post. This can causeinaccurate measurements of the batterycondition and potential incorrect systemoperation.
Note:If you add electrical accessories orcomponents to the vehicle, it may adverselyaffect battery performance and durability.This may also affect the performance ofother electrical systems in the vehicle.
If you see any corrosion on the battery orterminals, remove the cables from theterminals and clean with a wire brush. Youcan neutralize the acid with a solution ofbaking soda and water.
Because your vehicle’s engine iselectronically-controlled by a computer,some engine control settings are maintainedby power from the battery. Some enginecomputer settings, like the idle trim and fueltrim strategy, optimize the driveability andperformance of the engine. The clock andradio station presets are also maintained inmemory by power from the low-voltagebattery. These settings are erased when atechnician disconnects and connects thelow-voltage battery.
To restore the settings, do the following:
Note:Until you switch the ignition to the onposition, you will receive a message in yourinformation display stating that your vehicleis not in park.
1. Apply the parking brake.
2. Shift into park (P) or neutral (N).
3. Switch off all accessories.
4. Press the brake pedal and start yourvehicle.
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5. Run the engine until it reaches normaloperating temperature. While the engineis warming up, complete the following:Reset the clock. See Audio Unit (page395). Reset the power windowsbounce-back feature. See PowerWindows (page 96). Reset the radiostation presets. See Audio Unit (page395).
6. Allow the engine to idle for at least oneminute.
7.Drive the vehicle at least 10 mi (16 km) tocompletely relearn the idle trim and fueltrim strategy.
Note:If you do not allow the engine torelearn the idle and fuel trim strategy, theidle quality of your vehicle may be adverselyaffected until the engine computereventually relearns the idle trim and fuel trimstrategy.
Note:Certain features may not operate ifthe battery monitor system is not reset witha scan tool following a jump start or batteryreplacement. Normal electrical accessoryoperation should resume after your vehicleis left undisturbed for 8 hours.
Make sure that you dispose of old batteriesin an environmentally friendly way. Seekadvice from your local authority aboutrecycling old batteries.
If storing your vehicle for more than 30 dayswithout recharging the battery, werecommend that you disconnect the batterycables to maintain battery charge for quickstarting.
CHECKING THE WIPER BLADES
Run the tip of your fingers over the edge ofthe blade to check for roughness.
Clean the wiper blades with washer fluid orwater applied with a soft sponge or cloth.
CHANGING THE WIPER BLADES
Replace the wiper blades at least annuallyfor optimum performance.
You can improve poor wiper quality bycleaning the wiper blades and thewindshield.
Note:Do not hold the wiper blade whenlifting the wiper arm.
Note:Make sure that the wiper arm doesnot spring back against the glass when thewiper blade is not attached.
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1 2

1. Pull the wiper blade and arm away fromthe glass. Press the locking buttonstogether.
2. Slightly rotate the wiper blade.
3. Remove the wiper blade.
4. Install in the reverse order.
Note:Make sure that the wiper blade locksinto place.
ADJUSTING THE HEADLAMPS
Vertical Aim Adjustment
The headlamps on your vehicle are properlyaimed at the assembly plant. If your vehiclehas been in an accident, the alignment ofyour headlamps should be checked by yourauthorized dealer.
Headlamp Aiming Target
8 feet (2.4 meters)A
Center height of lamp to groundB
25 feet (7.6 meters)C
Horizontal reference lineD
Vertical Aim Adjustment Procedure
1.Park the vehicle directly in front of a wallor screen on a level surface,approximately 25 ft (7.6 m) away.
2.Measure the height of the headlamp bulbcenter from the ground and mark an 8 ft(2.4 m) horizontal reference line on thevertical wall or screen at this height.
Note:To see a clearer light pattern foradjusting, you may want to block the lightfrom one headlamp while adjusting theother.
3. Turn on the low beam headlamps toilluminate the wall or screen and openthe hood.
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4.On the wall or screen you will observe aflat zone of high intensity light located atthe top of the right hand portion of thebeam pattern. If the top edge of the highintensity light zone is not at the horizontalreference line, the headlamp will needto be adjusted.
5. Locate the vertical adjuster on eachheadlamp. Using a Phillips #2screwdriver, turn the adjuster eitherclockwise or counterclockwise in orderto adjust the vertical aim of theheadlamp. The horizontal edge of thebrighter light should touch the horizontalreference line.
6. Close the hood and turn off the lamps.
Horizontal Aim Adjustment
The horizontal aim does not require anyadjustment for this vehicle. If a fault occurs,have the system checked by an authorizeddealer.
CHANGING A BULB
Replacing Bulbs
For replacing bulbs, see your authorizeddealer.
BULB SPECIFICATION CHART
Replacement bulbs are specified in the chartbelow. Headlamp bulbs must be marked withan authorized “D.O.T.” for North America tomake sure they have the proper lampperformance, light brightness, light pattern,and safe visibility. The correct bulbs will notdamage the lamp assembly or void the lampassembly warranty and will provide qualitybulb illumination time.
Trade nameFunction
LEDHeadlamp high beam - high series
HIDHeadlamp high beam - low series
LEDHeadlamp low beam - high series
HIDHeadlamp low beam - low series
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Trade nameFunction
LEDSide marker lamp - front
LEDPark lamp - front
LEDSignature lamp
LEDDaytime running lamp
LEDTurn lamp - front
LEDTail and brake lamp
LEDReverse lamp
LEDTurn lamp - rear
LEDSide marker lamp - rear
LEDLicense plate lamp
LEDTrunk lamp
LEDHigh-mount brake lamp
LEDSide repeater lamp
LEDGlove compartment lamp
LEDInterior lamp
To replace any bulb, see your authorized dealer.
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CHANGING THE ENGINE AIR
FILTER
WARNING
Do not start the engine with the air filterremoved. This can cause damage notcovered by the vehicle Warranty and canresult in serious injury.
Only use the specified replacement air filter.See Capacities and Specifications (page373).
Change the air filter element at the correctinterval. See Scheduled Maintenance (page509).
When changing the engine air filter, do notallow debris or foreign material to enter theair induction system. The engine andturbocharger are susceptible to damage fromeven small particles.
Note:Failure to use the correct air filterelement may result in severe enginedamage. Resulting component damage maynot be covered by the vehicle Warranty.
1. Release the clamps that secure the airfilter cover to the housing.
2. Carefully lift the air filter housing cover.
3.Remove the air filter element from the airfilter housing.
4. Wipe any dirt or debris from the air filterhousing and cover to make sure no dirtgets in the engine and that you have agood seal.
5.Install a new air filter element. Be carefulnot to crimp the filter element edgesbetween the air filter housing and cover. This could cause filter damage and allowunfiltered air to enter the engine if it isnot properly seated.
6. Install the air filter housing cover.
7. Engage the clips to secure the air filterhousing cover to the air filter housing.
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GENERAL INFORMATION
Your dealer has many quality productsavailable to clean your vehicle and protectits finishes.
CLEANING PRODUCTS
Materials
For best results, use the following productsor products of equivalent quality:
SpecificationName
Motorcraft® Bug and Tar Remover, ZC-42 (U.S. & Canada)
ESR-M5B194-BMotorcraft® Custom Bright Metal Cleaner, ZC-15 (U.S. & Canada)
ESR-M14P4-AMotorcraft® Detail Wash, ZC-3-A (U.S. & Canada)
ESR-M14P3-AMotorcraft® Engine Shampoo and Degreaser, ZC-20 (U.S.)
Motorcraft® Engine Shampoo, CXC-66-A (Canada)
WSS-M99P43-BMotorcraft® Premium Leather and Vinyl Cleaner, ZC-56 (U.S. & Canada)
Motorcraft® Multi-Purpose Cleaner, CXC-101 (Canada)
WSS-M14P19-AMotorcraft® Premium Windshield Wash Concentrate with Bitterant, ZC-32-B2 (U.S.)
WSS-M14P19-AMotorcraft® Premium Quality Windshield Washer Fluid, CXC-37-A/B/D/F (Canada)
Motorcraft® Professional Strength Carpet & Upholstery Cleaner, ZC-54 (U.S. & Canada)
ESR-M14P5-AMotorcraft® Premium Glass Cleaner, CXC-100 (Canada)
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SpecificationName
Motorcraft® Spot and Stain Remover, ZC-14 (U.S.)
ESR-M14P5-AMotorcraft® Ultra-Clear Spray Glass Cleaner, ZC-23 (U.S.)
Motorcraft® Wheel and Tire Cleaner, ZC-37-A (U.S. & Canada)
CLEANING THE EXTERIOR
Wash your vehicle regularly with cool orlukewarm water and a neutral pH shampoo,we recommend Motorcraft Detail Wash.
•Never use strong household detergentsor soap, for example dish washing orlaundry liquid. These products candiscolor and spot painted surfaces.
•Never wash your vehicle when it is hotto the touch, or during strong or directsunlight.
•Dry your vehicle with a chamois or softterry cloth towel to eliminate waterspotting.
•Immediately remove fuel spillages, birddroppings, insect deposits and road tar.These may cause damage to yourvehicle’s paintwork or trim over time. Werecommend Motorcraft Bug and TarRemover.
•Remove any exterior accessories, forexample antennas, before entering a carwash.
Note:Suntan lotions and insect repellentscan damage painted surfaces. If thesesubstances come in contact with yourvehicle, wash the affected area as soon aspossible.
Cleaning the Headlamps
Note:Do not scrape the headlamp lensesor use abrasives, alcoholic solvents orchemical solvents to clean them.
Note:Do not wipe the headlamps when theyare dry.
Exterior Chrome Parts
•Apply a high quality-cleaning product tobumpers and other chrome parts. Followthe manufacturer’s instructions. Werecommend Motorcraft Custom BrightMetal Cleaner.
•Do not apply the cleaning product to hotsurfaces. Do not leave the cleaningproduct on chrome surfaces longer thanthe time recommended.
•Using non-recommended cleaners canresult in severe and permanent cosmeticdamage.
Note:Never use abrasive materials, forexample steel wool or plastic pads as theycan scratch the chrome surface.
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