2018 LINCOLN MKZ HYBRID coolant level

Engine or Motor Coolant Temperature
Lights when the engine or motorcooling system is overheating.Stop your vehicle in a safe placeand have an authorized dealer check thesystem.
Engine Oil
It illuminates when you switch theignition on.
If it illuminates when the engine isrunning this indicates a malfunction. Stopyour vehicle as soon as it is safe to do soand switch the engine off. Check the engineoil level. If the oil level is sufficient, thisindicates a system malfunction. Have yourvehicle checked immediately.
See Engine Oil Check (page 303).
Fasten Seatbelt Warning Lamp
It illuminates and a chime soundsuntil you fasten the seatbelts.
Front Airbag
Lights when you start your vehicle.If it continues to flash or remainson, it indicates a malfunction. Havean authorized dealer check the system.
Grade Assist
Lights when you switch on thegrade assist function.
Heads Up Display (If Equipped)
A red beam of lights appears onthe windshield in certain instanceswhen using adaptive cruise controland/or the collision warning system. To makesure the display works, it will also appearmomentarily when you start your vehicle.
Headlamp High Beam Indicator
Lights when you switch on thehigh-beam headlamps. Flasheswhen you use the headlampflasher.
Hood Ajar
Lights when the ignition is on andthe hood is not completely closed.
Lane Keeping Aid (If Equipped)
Lights when you activate the lanekeeping system.
Low Fuel Level Warning Lamp
Lights when the fuel level is low orthe fuel tank is nearly empty. Refuel as soon as possible.
Low Tire Pressure Warning Lamp
It illuminates when your tirepressure is low. If the lamp remainson with the engine running orwhen driving, check your tire pressure assoon as possible.
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Instrument Cluster E71880 E67017 E144523 E156133 E159324 E144813

Display/Trip
Use the up or down arrow buttonsto choose between the following
display options.Note:The cluster will remember the menulevel 2 state when the individual key stateis changed from the RUN position to the OFFposition.
Display/Trip
Menu level 5Menu level 4Menu level 3Menu level 2
———Speedometer
——HelpEngageSplit Power + Avg Fuel Economy +Instantaneous Fuel Gauge + FuelGauge)
——HelpEmpower(Power with engine on/off threshold+ Avg Fuel Economy + InstantaneousFuel Gauge + Fuel Gauge)
Average FuelAverage FuelChange MyViewMyView(MyView + Fuel Gauge)Instantaneous FuelSplit Power
Coolant Temp.Power + Threshold
Accessory PowerTach rpm x1000
Trip 1Accessory Power
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Information DisplaysE144639

Engage
Engage provides separate gauges for enginepower and high voltage battery power inkilowatts (kW). The engine power gauge fillis white and the high voltage battery powergauge fill is blue. You can also see aninstantaneous fuel economy gauge. Whenyour vehicle is operating on battery poweronly, you will see EV displayed and thegauges will appear in blue.
Note:Hold OK to reset average fueleconomy.
Empower
Empower provides a power demand gaugein kilowatts (kW) which includes an engineon or off threshold.
•When your vehicle is operating withbattery power only (below the threshold),you will see EV displayed and the gaugefill is blue.
•When your vehicle is operating with boththe engine and the high voltage batteryproviding power the gauge fill is white.
•When power demand surpasses theamber indicator, this level of demand andassociated fuel economy displays inamber.
•When the engine is on, reducing powerdemand to less than the threshold willallow the engine to turn off.
You can also see an instantaneous fueleconomy gauge.
Note:Hold OK to reset average fueleconomy.
MyView
You can choose what to display in this view.Selecting Change MyView in the optionsmenu allows you to scroll through twocolumns of content choices.
•Press the up or down arrow to viewcontent.
•Press OK to save your selected content
•You must select content in both columnsbefore you can save your new MyView.
Unique content available in MyView:
•Accessory Power— Indicates electricalpower demands from your vehicle’saccessory systems. Accessories usepower but do not contribute to propellingyour vehicle. The gauge separatelydisplays power demand in kilowatts (kW)for climate and other accessories.Climate includes the power being usedby high voltage climate controlcomponents such as the electric A/Ccompressor. Other includes all powerbeing used by the low voltageaccessories (cabin fans, headlights andheated seats).
•Coolant Temp – Indicates engine coolanttemperature. At normal operatingtemperature, the level indicator will bewhite and will be in the normal range(between H and C). If the engine coolanttemperature exceeds the normal range,the level indicator will change to red toindicate that the engine is overheating.Stop your vehicle as soon as safelypossible, turn your vehicle off and let theengine cool.
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Information Displays

ActionMessage
Indicates the brake fluid level is low and the brake system should be inspected immediately.See Brake Fluid Check (page 309).Brake Fluid Level Low
Displays when the brake system needs servicing. Stop the vehicle in a safe place. Contact yourauthorized dealer.Check Brake System
Displays when the engine coolant temperature is excessively high. Stop the vehicle in a safeplace and contact your authorized dealer.Engine Coolant Over Temperature
Displays when the motor electronics are overheating. Stop the vehicle as soon as safely possible,turn off the vehicle and let it cool. If the warning stays on or continues to come on, contact yourauthorized dealer as soon as possible.
Motor Coolant Over Temperature
Displays when the washer fluid is low and needs to be refilled.Washer Fluid Level Low
Displays when the engine has reduced power in order to help reduce high coolant temperatures.Power Reduced to Lower Engine Temp
Displayed when the kit needs service. See your authorized dealer.Service Tire Mobility Kit
Displays to indicate that the vehicle is still in Transport or Factory mode. This may not allow somefeatures to operate properly. See your authorized dealer.Transport / Factory Mode
Informs the driver that the powertrain needs service due to a powertrain malfunction.See Manual
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Information Displays

AnswerQuestion
In order to make sure that the climate control system can begin heatingthe cabin or defrosting the windshield as soon as a driver requestsit, the engine coolant temperature has to be kept sufficiently hot.Keeping the engine on is required to maintain the correct coolanttemperature.
Why does my engine stay on when it is extremely cold outside?
Your vehicle's engine and transmission are designed to deliver thepower you need at the most efficient engine speed. This may behigher than expected during heavy accelerations, and may fluctuatewhen driving at a steady speed. These are characteristics of theAtkinson engine cycle and the transmission technology that helpmaximize your hybrid's fuel economy.
Why does my engine rev up so high sometimes when I accelerate?
The fan noise comes from a fan located next to the high voltagebattery pack. This fan turns on when the battery requires cooling air.The fan speed, and associated noise level, will change according tothe amount of cooling required to maintain good performance. Main-taining the battery temperature at optimal conditions also prolongsthe useful life of the battery and helps to achieve better fuel economy.
What is the fan noise I hear from the rear of my hybrid?
Change the engine oil every 10,000 mi (16,000 km) or once per yearunder normal operating conditions.What is the engine oil change service interval?
Your hybrid vehicle can use E15 (15% ethanol, 85% gasoline) fuel, butyou may notice slightly reduced fuel economy because ethanolcontains less energy per gallon than gasoline. Your hybrid vehicle isnot designed to use E85 (85% ethanol).
Can I put E15 or E85 in my vehicle, and how will it affect my fueleconomy?
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Unique Driving Characteristics

Inverter system controller.F
Inverter system controller coolant reservoir. See Engine Coolant Check (page 304).G
Engine oil dipstick. See Engine Oil Dipstick (page 303).H
Washer system fluid reservoir. See Washer Fluid Check (page 310).I
ENGINE OIL DIPSTICK
MINA
MAXB
ENGINE OIL CHECK
Note:Check the level before starting theengine.
Note:Make sure that the level is betweenthe MIN and the MAX marks.
1. Make sure that your vehicle is on levelground.
2. Turn the engine off and wait 10 minutesfor the oil to drain into the oil pan.
3. Remove the dipstick and wipe it with aclean, lint-free cloth. Replace the dipstickand remove it again to check the oil level.
If the level is at the MIN mark, add oilimmediately.
Adding Engine Oil
Note:Do not remove the filler cap when theengine is running.
Note:Do not add oil further than the MAXmark. Oil levels above the MAX mark maycause engine damage.
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MaintenanceE170468
AB E142732

WARNINGS
Do not add coolant further than theMAX mark.
Your vehicle has two separate coolingsystems. One for cooling the engine and aseparate system for cooling the invertersystem controller that is specific to the hybridoperating system. The two systems operatesimilarly, with the inverter system controllercooling system generally operating at a lowertemperature and pressure.
When the engine is cold, check theconcentration and level of the coolant at theintervals listed in the scheduled maintenanceinformation. See Scheduled Maintenance(page 489).
Note:Make sure that the coolant level isbetween the MIN and the MAX marks onthe coolant reservoir.
Note: Coolant expands when it is hot. Thelevel may extend beyond the MAX mark.
Maintain coolant concentration within 48%to 50%, which equates to a freeze pointbetween -30°F (-34°C) and -34°F (-37°C).Coolant concentration should be checkedusing a refractometer. We do not recommendthe use of hydrometers or coolant test stripsfor measuring coolant concentration.
Adding Coolant
WARNINGS
Do not add engine coolant when theengine is hot. Failure to follow thisinstruction could result in personal injury.
Never remove the coolant reservoircap when the engine is running or hot.
Note: Automotive fluids are notinterchangeable. Do not use coolant orwindshield washer fluid outside of itsspecified function and vehicle location.
Note: Do not use stop leak pellets, coolingsystem sealants, or non-specified additivesas they can cause damage to the enginecooling or heating systems. Resultingcomponent damage may not be covered bythe vehicle Warranty.
It is very important to use prediluted coolantapproved to the correct specification in orderto avoid plugging the small passageways inthe engine cooling system. See Capacitiesand Specifications (page 362). Do not mixdifferent colors or types of coolant in yourvehicle. Mixing of engine coolants or usingan incorrect coolant may harm the engine orcooling system components and may not becovered by the vehicle Warranty.
Note:If prediluted coolant is not available,use the approved concentrated coolantdiluting it to 50/50 with distilled water. SeeCapacities and Specifications (page 358).Using water that has not been deionizedmay contribute to deposit formation,corrosion and plugging of the small coolingsystem passageways.
Note: Coolants marketed for all makes andmodels may not be approved to Fordspecifications and may cause damage tothe cooling system. Resulting componentdamage may not be covered by the vehicleWarranty.
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Maintenance

If the coolant level is at or below theminimum mark, add prediluted coolantimmediately.
To top up the coolant level do the following:
1. Unscrew the cap slowly. Any pressureescapes as you unscrew the cap.
2. Add prediluted coolant approved to thecorrect specification. See Capacities andSpecifications (page 358).
3.Add enough prediluted coolant to reachthe correct level.
4. Replace the coolant reservoir cap, turnit clockwise until you feel a strongresistance.
5. Check the coolant level in the coolantreservoir the next few times you driveyour vehicle. If necessary, add enoughprediluted engine coolant to bring thecoolant level to the correct level.
If you have to add more than 1.1 qt (1 L) ofengine coolant per month, have your vehiclechecked as soon as possible. Operating anengine with a low level of coolant can resultin engine overheating and possible enginedamage.
Note:During normal vehicle operation, thecoolant may change color from orange topink or light red. As long as the coolant isclear and uncontaminated, this color changedoes not indicate the coolant has degradednor does it require the coolant to be drained,the system to be flushed, or the coolant tobe replaced.
In case of emergency, you can add a largeamount of water without engine coolant inorder to reach a vehicle service location. Inthis instance, qualified personnel:
1. Must drain the cooling system.
2. Chemically clean the cooling system.
3. Refill with prediluted coolant as soon aspossible.
Water alone, without coolant, can causeengine damage from corrosion, overheatingor freezing.
Do not use the following as a coolantsubstitute:
•Alcohol.
•Methanol.
•Brine.
•Any coolant mixed with alcohol ormethanol antifreeze.
Alcohol and other liquids can cause enginedamage from overheating or freezing.
Do not add extra inhibitors or additives tothe coolant. These can be harmful andcompromise the corrosion protection of thecoolant.
Recycled Coolant
We do not recommend the use of recycledcoolant as an approved recycling process isnot yet available.
Dispose of used engine coolant in anappropriate manner. Follow yourcommunity's regulations and standards forrecycling and disposing of automotive fluids.
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Maintenance