ignition LINCOLN MKZ HYBRID 2019 Service Manual

During fuel freshness mode:
•The information display will indicate fuelfreshness mode is active.
•The vehicle will only run in hybrid mode. EV Now mode will not be available.
•Most of the plug-in power will be storeduntil fuel freshness mode is completed.
Note:EV Now mode resumes when less than1.2 gal (4.5 L) of fuel remains in the fuel tank.
Note:When the fuel level is less thanone-quarter full, refueling your vehicle willend fuel freshness mode.
Note:We recommend you use a fuelstabilizer if you use less than a full tank offuel during an 18-month period.
FUEL FILLER FUNNEL LOCATION
The fuel filler funnel is under the luggagecompartment floor covering.RUNNING OUT OF FUEL
Avoid running out of fuel because thissituation may have an adverse effect onvehicle components.
If you have run out of fuel:
•To start the vehicle with a keylessignition, just start the engine. Crank timewill be longer than usual.
•Normally, adding 1 gal (3.8 L) of fuel isenough to restart the vehicle. If thevehicle is out of fuel and on a steepgrade, more than 1 gal (3.8 L) may berequired.
•The service engine soon indicator maycome on.
Refilling With a Portable Fuel Container
WARNING: Flow of fuel through a fuelpump nozzle can produce static electricity.This can cause a fire if you are filling anungrounded fuel container.
WARNING: Do not insert the nozzle ofa fuel container or an aftermarket funnel intothe fuel filler neck. This may damage the fuelsystem filler neck or its seal and cause fuelto run onto the ground.
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WARNING: Do not try to pry open orpush open the capless fuel system withforeign objects. This could damage the fuelsystem and its seal and cause injury to youor others.
WARNING: Do not remove the fuelpump nozzle from its fully inserted positionwhen refueling.
WARNING: When refueling always shutthe engine off and never allow sparks oropen flames near the fuel tank filler valve.Never smoke or use a cell phone whilerefueling. Fuel vapor is extremely hazardousunder certain conditions. Avoid inhalingexcess fumes.
WARNING: Stop refueling when thefuel pump nozzle automatically shuts off forthe first time. Failure to follow this will fill theexpansion space in the fuel tank and couldlead to fuel overflowing.
WARNING: Wait at least 10 secondsbefore removing the fuel pump nozzle toallow any residual fuel to drain into the fueltank.
WARNING: The fuel system may beunder pressure. If you hear a hissing soundnear the fuel filler inlet, do not refuel until thesound stops. Otherwise, fuel may spray out,which could cause serious personal injury.
WARNING: Read and follow all theinstructions on the pump island.
1. When you stop your vehicle, shift intopark (P) or neutral (N) and switch theignition off.
Note:Beijing district only.
2. Press the button on the driver door toopen the fuel filler door. The fuel fillerdoor can take up to 15 seconds to openbefore you can insert a fuel filler nozzle.
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Note:Beijing district only.
Description and ActionMessage
A warning message appearsin the information displaywhen the fuel system fails todepressurize or the fuel fillerdoor fails to open. You mayhave to use the fuel filler doormanual override lever.
Refuel ErrorSee Manual
If the information message appears, do thefollowing:
1.Check the fuel filler door for anything thatmay be obstructing its movement, forexample ice or snow.
2. Remove any obstruction from the fuelfiller door.
3. Press the button on the driver door toopen the fuel filler door.
4.If the fuel filler door fails to open and theinformation message remains in theinformation display, use the fuel fillerdoor manual override lever.
Fuel Filler Door Manual Override Lever
Note:The transmission must be in park (P)or neutral (N).
When using the manual override lever dothe following:
1. Switch the ignition on.
2. Open the luggage compartment, themanual override lever is located on theleft-hand side.
3. Pull the manual override lever.
4. Switch the ignition off.
5. Complete the refueling process within20 minutes.
FUEL CONSUMPTION
Advertised Capacity
The advertised capacity is the maximumamount of fuel that you can add to the fueltank after running out of fuel. Included in theadvertised capacity is an empty reserve. Theempty reserve is an unspecified amount offuel that remains in the fuel tank when thefuel gauge indicates empty.
Note:The amount of fuel in the emptyreserve varies and should not be relied uponto increase driving range.
Fuel Economy
Your vehicle calculates fuel economy figuresthrough the trip computer average fuelfunction. See General Information (page110).
The first 1,000 mi (1,500 km) of driving is thebreak-in period of the engine. A moreaccurate measurement is obtained after2,000 mi (3,000 km).
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•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

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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Engine Emission Control

2. Locate the access door and remove theplastic cover.
3. Pull the outer cover off to expose theservice disconnect cover.
4. Slide the handle on the servicedisconnect outboard to the right.
5. Pull the handle toward you and removethe circuit from the vehicle to disable thehigh-voltage battery.
Reactivating the High-Voltage Battery
Note:If you have manually disconnectedyour high-voltage shut off circuit you willneed to reconnect the circuit before it canbe reactivated. The vehicle detects if theelectrical system is safe and thenreactivates.
HIGH VOLTAGE BATTERY CUT-
OFF SWITCH
The high-voltage shut off operation shuts offpower from the high-voltage battery after acollision, or if your vehicle receives asubstantial physical jolt.
1. Press the START/STOP button to turnignition off.
2. Press the brake pedal and press theSTART/STOP button.
3. If your vehicle is not powered after thissequence, repeat steps 1 and 2 up to twomore times.
Note:During this process, your vehicle willdetect if the electrical system is safe andreactivate. Once your vehicle determinesthe electrical system safe, you can start yourvehicle as you would normally by eitherturning the ignition key or by pressing thebrake in combination with the START/STOPbutton.
Note:In the event your vehicle does notreactivate after the third key cycle, contactan authorized dealer.
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AUTOMATIC TRANSMISSION
WARNING: Always fully apply theparking brake. Make sure you shift into park(P) for vehicles with an automatictransmission. Switch the ignition off andremove the key whenever you leave yourvehicle.
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:The ready to drive indicator may beoff and 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 locatedon the instrument panel. Select the gears bypressing and releasing the PRNDL buttons.
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Every time you select a gear, the selectedbutton lights up. You also see the gearselected appear in the instrument cluster.
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 gear shift button you selectilluminates and the instrument clustershows the selected gear.
4. Release the brake pedal and yourtransmission remains in the selectedgear.
Note:If the driver attempts to leave thevehicle when it is in gear, the vehicleautomatically shifts into park (P). Seatbeltand door monitors determine the driver'sintent and makes the shift for you. Duringthis time a Transmission not in Parkmessage appears in the display screen,prompting the driver to make the shift. Toput the vehicle in gear with the door openperform steps 1-4. See the Automatic Returnto Park section in this chapter for moreinformation on this feature.
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)
This position locks the transmission andprevents the front wheels from turning.Always come to a complete stop beforeputting your vehicle into and out of park (P).An audible chime sounds when park (P) ismanually selected.
When you turn the ignition off, your vehicleautomatically shifts into park (P). If you turnthe ignition off when your vehicle is moving,it first shifts into neutral (N) until a slowenough speed is reached. Your vehicle thenshifts into park (P) automatically.
Automatic Return to Park
Note:This feature does not operate whenyour vehicle is in Stay in Neutral mode orneutral tow.
Your vehicle has a safety feature thatautomatically shifts your vehicle into park (P)when any of the following circumstances aremet:
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•Turn the ignition off.
•Open the driver's door with your seat beltunlatched.
•Unlatching your seatbelt when thedriver's door is open.
If you turn the ignition off when your vehicleis moving, your vehicle first shifts into neutral(N) until it slows down enough to shift intopark (P) automatically.
Note:If you have waited an extended periodof time, (2-15 minutes) before starting yourvehicle, unlatching your safety belt doescause this feature to activate, even with thedriver's door 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 moves backward. Always come to acomplete stop before shifting into and outof reverse (R).
Neutral (N)
Press the neutral (N) button to put yourvehicle in neutral. In neutral, your vehicle canstart and is free to roll. Hold the brake pedaldown when in this position.
Stay in Neutral mode
Stay in Neutral mode allows your vehicle tostay in neutral when you exit your vehicle.Your vehicle must be stationary to enter thismode.
To enter Stay in Neutral mode:
1.Press the neutral (N) button on the shifterassembly.
2. The message Select N Again to EnterStay in Neutral mode appears in theinformation display screen.
3. Press the neutral (N) button again toenter Stay in Neutral mode.
The message Stay in Neutral modeengaged appears in the instrument clusterwhen your vehicle has entered Stay inNeutral mode.
Note:During this mode the neutral (N) buttonflashes continuously and the instrumentcluster displays neutral as the selected gear.
Exiting Stay in Neutral mode
To disable Stay in Neutral mode put yourvehicle in another gear. See the Putting theVehicle in Gear section for instructions onhow 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 that may not be covered bywarranty.
Drive (D)
The normal driving position for the best fueleconomy.
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Transmission

Drive (D) with Grade Assist
Activate grade assist through theinformation display settings menu.See General Information (page110).
Grade assist:
•Provides additional grade braking with acombination of engine motoring andhigh-voltage battery charging to helpmaintain vehicle speed when descendinga grade.
•As your vehicle determines the amountof engine motoring and high-voltagebattery charging, you may notice theengine speed increasing and decreasingto help maintain your vehicle speed whendescending a grade.
The grade assist lamp illuminatesgrey when the grade assist featureis switched on through theinstrument display settings menu. The lampchanges from grey to green when gradeassist is actively providing additional gradebraking.
Low (L)
•Provides maximum engine braking.
•The transmission may be put into low (L)at any vehicle speed.
•Not intended for use under extended ornormal driving conditions and results inlower fuel economy.
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.
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 only functions 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 is required.
1. Apply the parking brake and turn yourignition off before performing thisprocedure.
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