2019 LINCOLN MKZ Owners Manual

•An open or pinched sensor hose.
•Incorrect engine oil level.
•Incorrect fuel for climatic conditions.
•Incorrect engine oil viscosity for climacticconditions.
Note:Some vehicles have a lifetime fuel filterthat is integrated with the fuel tank. Regularmaintenance or replacement is not needed.
Note:If these checks do not help you correctthe concern, have your vehicle checked assoon as possible.
Noise Emissions Warranty, ProhibitedTampering Acts and Maintenance
On January 1, 1978, Federal regulationbecame effective governing the noiseemission on trucks over 10,000 lb (4,536 kg)Gross Vehicle Weight Rating (GVWR). Thepreceding statements concerning prohibitedtampering acts and maintenance, and thenoise warranty found in the Warranty Guide,are applicable to complete chassis cabs over10,000 lb (4,536 kg) GVWR.
CATALYTIC CONVERTER
WARNING: Do not park, idle or driveyour vehicle on dry grass or other dry groundcover. The emission system heats up theengine compartment and exhaust system,creating the risk of fire.
WARNING: The normal operatingtemperature of the exhaust system is veryhigh. Never work around or attempt to repairany part of the exhaust system until it hascooled. Use special care when workingaround the catalytic converter. The catalyticconverter heats up to a very hightemperature after only a short period ofengine operation and stays hot after theengine is switched off.
WARNING: Exhaust leaks may resultin entry of harmful and potentially lethalfumes into the passenger compartment. Ifyou smell exhaust fumes inside your vehicle,have your vehicle inspected immediately. Donot drive if you smell exhaust fumes.
Your vehicle has various emission controlcomponents and a catalytic converter thatenables it to comply with applicable exhaustemission standards.
To make sure that the catalytic converter andother emission control components continueto work properly:
•Do not crank the engine for more than10 seconds at a time.
•Do not run the engine with a spark pluglead disconnected.
•Do not push-start or tow-start yourvehicle. Use booster cables. See JumpStarting the Vehicle (page 264).
•Use only the specified fuel listed.
•Do not switch the ignition off when yourvehicle is moving.
•Avoid running out of fuel.
•Have the items listed in scheduledmaintenance information performedaccording to the specified schedule.
Note:Resulting component damage maynot be covered by the vehicle Warranty.
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Engine Emission Control

The scheduled maintenance items listed inscheduled maintenance information areessential to the life and performance of yourvehicle and to its emissions system.
If you use anything other than Lincoln,Motorcraft or Lincoln-authorized parts formaintenance replacements or for service ofcomponents affecting emission control, suchnon-Lincoln parts should be equivalent togenuine Lincoln Motor Company parts inperformance and durability.
Illumination of the service engine soonindicator, charging system warning light orthe temperature warning light, fluid leaks,strange odors, smoke or loss of enginepower could indicate that the emissioncontrol system is not working properly.
An improperly operating or damaged exhaustsystem may allow exhaust to enter thevehicle. Have a damaged or improperlyoperating exhaust system inspected andrepaired immediately.
Do not make any unauthorized changes toyour vehicle or engine. By law, vehicleowners and anyone who manufactures,repairs, services, sells, leases, tradesvehicles, or supervises a fleet of vehicles arenot permitted to intentionally remove anemission control device or prevent it fromworking. Information about your vehicle’semission system is on the Vehicle EmissionControl Information Decal located on or nearthe engine. This decal also lists enginedisplacement.
Please consult your warranty information forcomplete details.
On-Board Diagnostics (OBD-II)
Your vehicle has a computer known as theon-board diagnostics system (OBD-II) thatmonitors the engine’s emission controlsystem. The system protects the environmentby making sure that your vehicle continuesto meet government emission standards. TheOBD-II system also assists a servicetechnician in properly servicing your vehicle.
When the service engine soonindicator illuminates, the OBD-IIsystem has detected a malfunction.Temporary malfunctions may cause theservice engine soon indicator to illuminate.Examples are:
1. Your vehicle has run out of fuel—theengine may misfire or run poorly.
2.Poor fuel quality or water in the fuel—theengine may misfire or run poorly.
3. The fuel fill inlet may not have closedproperly. See Refueling (page 169).
4. Driving through deep water—theelectrical system may be wet.
You can correct these temporarymalfunctions by filling the fuel tank with goodquality fuel, properly closing the fuel fill inletor letting the electrical system dry out. Afterthree driving cycles without these or anyother temporary malfunctions present, theservice engine soon indicator should stay offthe next time you start the engine. A drivingcycle consists of a cold engine startupfollowed by mixed city and highway driving.No additional vehicle service is required.
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Engine Emission Control

If the service engine soon indicator remainson, have your vehicle serviced at the firstavailable opportunity. Although somemalfunctions detected by the OBD-II may nothave symptoms that are apparent, continueddriving with the service engine soon indicatoron can result in increased emissions, lowerfuel economy, reduced engine andtransmission smoothness and lead to morecostly repairs.
Readiness for Inspection andMaintenance (I/M) Testing
Some state and provincial and localgovernments may haveInspection/Maintenance (I/M) programs toinspect the emission control equipment onyour vehicle. Failure to pass this inspectioncould prevent you from getting a vehicleregistration.
If the service engine soon indicatoris on or the bulb does not work,your vehicle may need service.See On-Board Diagnostics.
Your vehicle may not pass the I/M test if theservice engine soon indicator is on or notworking properly (bulb is burned out), or ifthe OBD-II system has determined that someof the emission control systems have notbeen properly checked. In this case, thevehicle is not ready for I/M testing.
If the vehicle’s engine or transmission hasjust been serviced, or the battery hasrecently run down or been replaced, theOBD-II system may indicate that the vehicleis not ready for I/M testing. To determine ifthe vehicle is ready for I/M testing, turn theignition key to the on position for 15 secondswithout cranking the engine. If the serviceengine soon indicator blinks eight times, itmeans that the vehicle is not ready for I/Mtesting; if the service engine soon indicatorstays on solid, it means that your vehicle isready for I/M testing.
The OBD-II system checks the emissioncontrol system during normal driving. Acomplete check may take several days.
If the vehicle is not ready for I/M testing, youcan perform the following driving cycleconsisting of mixed city and highway driving:
1. 15 minutes of steady driving on anexpressway or highway followed by 20minutes of stop-and-go driving with atleast four 30-second idle periods.
2.Allow your vehicle to sit for at least eighthours with the ignition off. Then, start thevehicle and complete the above drivingcycle. The vehicle must warm up to itsnormal operating temperature. Oncestarted, do not turn off the vehicle untilthe above driving cycle is complete.
If the vehicle is still not ready for I/M testing,you need to repeat the above driving cycle.
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AUTOMATIC TRANSMISSION
WARNING: Always fully apply theparking brake and make sure you shift intopark (P). Failure to follow this instructioncould result in personal injury or death.
WARNING: Do not apply the brakepedal and accelerator pedal simultaneously.Applying both pedals simultaneously formore than a few seconds will limit engineperformance, which may result in difficultymaintaining speed in traffic and could leadto serious injury.
Note:You may not be able to shift out ofpark (P) unless the intelligent access key isinside your vehicle.
Push Button Shift Transmission
Your vehicle is equipped with an electronictransmission. The shift buttons are locatednear the middle of the instrument panel. Thegears are selected by pressing and releasingthe PRNDS buttons.
Every time a gear is selected, the selectedbutton will light up.
Understanding the Positions of yourElectronic Transmission
Note:Always come to a complete stopbefore putting your vehicle into and out ofpark (P).
Putting your vehicle in gear:
1. Fully press down the brake pedal.
2. Press and release the button on theinstrument panel of the gear you want toselect.
3. The gearshift button you select willilluminate and the selected gear willappear in the instrument cluster.
4. Release the brake pedal and yourtransmission will remain in the selectedgear.
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Note:If you attempt to leave your vehiclewhile it is in gear, the vehicle willautomatically shift into park (P). Safety beltand door monitors determine your intent andmake the shift for you. During this time, amessage will appear in the informationdisplay screen prompting you to make theshift. See Information Messages (page 116).
Note:To put your vehicle in gear with thedoor open, perform steps 1-4. See theAutomatic Return to Park section in thischapter for more information on this feature.
Park (P)
With the transmission in park (P), your vehiclelocks the transmission and prevents the frontwheels from turning. Always come to acomplete stop before putting your vehicleinto and out of park (P). An audible chimesounds once you select park (P).
When the ignition is turned off, the vehiclewill automatically shift into park (P). If theignition is turned off while the vehicle ismoving, it will first shift into neutral (N) untila slow enough speed is reached. The vehiclewill then shift into park (P) automatically.
Automatic Return to Park
Note:This feature will not operate when yourvehicle is in Stay in Neutral mode or neutraltow.
Your vehicle has a safety feature that willautomatically shift your vehicle into park (P)when any of the following conditions occur:
•You turn the ignition off
•You open the driver's door with yoursafety belt unlatched
•Your safety belt is unlatched while thedriver's door is open
If you turn the ignition off while your vehicleis moving, your vehicle will first shift intoneutral (N) until it slows down enough to shiftinto park (P) automatically.
Note:If you have waited an extended periodof time, (2-15 minutes) before starting yourvehicle, unlatching your safety belt will causethis feature to activate, even with the driver'sdoor closed.
Note:This feature may not work properly ifthe door ajar switch is malfunctioning. If yourdoor ajar indicator does not illuminate whenyou open the driver’s door or the indicatorilluminates with the driver’s door closed. Seeyour authorized dealer.
Reverse (R)
With the transmission in reverse (R), yourvehicle will move backward. Always cometo a complete stop before shifting into andout of reverse (R).
Neutral (N)
With the transmission in neutral (N), you canstart your vehicle and it is free to roll. Holdthe brake pedal down while in this position.
Stay in Neutral mode
Stay in Neutral mode allows your vehicle tostay in neutral (N) when you exit the vehicle.Your vehicle must be stationary to enter thismode.
To enter Stay in Neutral mode:
1. Press the neutral (N) button on yourshifter assembly.
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2. A message will appear in yourinformation display screen prompting youto press the neutral (N) button.
3. Press the neutral (N) button again toenter Stay in Neutral mode.
A message will appear in your informationdisplay screen when your vehicle hasentered Stay in Neutral mode.
Note:During this mode the neutral (N) buttonwill flash continuously and your instrumentcluster will display N as the selected gear.
Exiting Stay in Neutral mode
To disable Stay in Neutral mode selectanother gear. See the Putting the Vehiclein Gear for instructions on how to do this.
Entering a Carwash
Note:Always put your vehicle in Stay inNeutral mode when entering an automaticcar wash. Failure to do this could result invehicle damage not covered by warranty.
Drive (D)
The normal driving position for the best fueleconomy.
Sport (S)
Putting the vehicle in sport (S):
•Provides additional engine braking andextends lower gear operation to enhanceperformance for uphill climbs, hilly terrainor mountainous areas. This will increaseengine RPM during engine braking
•Provides additional lower gear operationthrough the automatic transmission shiftstrategy
•Provides gear selection more quickly andat higher engine speeds
SelectShift Automatic™ Transmission
Your SelectShift Automatic transmissiongives you the ability to change gearsmanually.
Paddle Shifters
With your vehicle in drive (D), the paddleshifters provide temporary manual control.They allow you the ability to shift gearsquickly, without taking your hands off thesteering wheel.
You can achieve extensive manual controlby pressing the sport (S) button.
•Pull the right paddle (+) to upshift.
•Pull the left paddle (–) to downshift.
Upshift to the recommended shift speedsaccording to the following chart:
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Upshifts when accelerating (recommended for best fuel economy)
mph (km/h)Gear Upshift
ToFrom
15 mph (24 km/h)21
25 mph (40 km/h)32
40 mph (64 km/h)43
45 mph (72 km/h)54
50 mph (80 km/h)65
The instrument cluster will display yourcurrently selected gear.
The transmission will automatically upshift ifyour engine speed is too high or downshiftif your engine speed is too low.
Note:The system will stay in manual controluntil you make another shift button selection.For example, drive (D).
Brake-Shift Interlock Override
WARNING: Do not drive your vehicleuntil you verify that the stoplamps areworking.
WARNING: When doing this procedure,you need to take the transmission out of park(P) which means your vehicle can roll freely.To avoid unwanted vehicle movement,always fully apply the parking brake prior todoing this procedure. Use wheels chocks ifappropriate.
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WARNING: If the parking brake is fullyreleased, but the brake warning lampremains illuminated, the brakes may not beworking properly. Have your vehicle checkedas soon as possible.
Note:See your authorized dealer as soonas possible if this procedure is used.
Note:For some markets this feature isdisabled.
Note:This feature will only function if your12-volt battery has power. If vehicle batteryvoltage is not sufficient, an external 12-voltpower source (for example, jumper cables,battery charger or jump pack) may berequired to function the interlock overrideswitch.
Use the brake-shift interlock override tomove your transmission from the parkposition in the event of an electricalmalfunction. If your vehicle has a deadbattery, an external power source will berequired.
1. Apply the parking brake and turn yourignition off before performing thisprocedure.
2. Locate your brake-shift interlock accessslot. The slot is located near the centerconsole. The access slot does not havea label.
Note:Make sure that you correctly identifythe access hole as not to damage the mediahub.
3. Using a tool, press and hold the brakeshift interlock switch. The shift buttonson the instrument panel will flash whenyour vehicle is in override mode.
4. With the override switch still held, pressthe neutral button (N) to shift from park.
5. Release the override button.
6.Your vehicle will remain in Stay in Neutralmode for wrecker towing purposes orcan be shifted to the desired gear anddriven (if possible).
7. Release the parking brake.
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