2018 LINCOLN MKZ HYBRID air conditioning

ABOUT THIS MANUAL
Thank you for choosing Lincoln. Werecommend that you take some time to getto know your vehicle by reading this manual. The more that you know about it, the greaterthe safety and pleasure you will get fromdriving it.
WARNING
Driving while distracted can result inloss of vehicle control, crash and injury.We strongly recommend that you useextreme caution when using any device thatmay take your focus off the road. Yourprimary responsibility is the safe operationof your vehicle. We recommend against theuse of any hand-held device while drivingand encourage the use of voice-operatedsystems when possible. Make sure you areaware of all applicable local laws that mayaffect the use of electronic devices whiledriving.
Note: This manual describes productfeatures and options available throughoutthe range of available models, sometimeseven before they are generally available. Itmay describe options not fitted to the vehicleyou have purchased.
Note: Some of the illustrations in this manualmay show features as used in differentmodels, so may appear different to you onyour vehicle.
Note: Always use and operate your vehiclein line with all applicable laws andregulations.
Note: Pass on this manual when selling yourvehicle. It is an integral part of your vehicle.
This manual may qualify the location of acomponent as left-hand side or right-handside. The side is determined when facingforward in the seat.
Right-hand side.A
Left-hand side.B
SYMBOLS GLOSSARY
These are some of the symbols you may seeon your vehicle.
Air conditioning system
Air conditioning system lubricanttype
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IntroductionE154903 E162384 E231157

Power: Press to switch the system on and off. When the system is off, it prevents outside air from entering the vehicle.A
Driver temperature control: Adjusts the temperature setting on the driver side. This control also adjusts the passenger sidetemperature when you switch off dual zone mode.B
MAX Defrost: Press to switch on defrost. The driver and passenger settings set to HI, air flows through the windshield vents, andthe fan adjusts to the highest speed. You can also use this setting to defog and clear the windshield of a thin covering of ice. Theheated rear window also turns on when you select maximum defrost.
C
Note: To prevent window fogging, you cannot select recirculated air when maximum defrost is on.
Air distribution control: Press to switch air flow from the windshield, instrument panel or footwell vents on or off. You can distributeair through any combination of these vents.D
MAX A/C: Press for maximum cooling. The driver and passenger settings set to LO, recirculated air flows through the instrumentpanel vents, air conditioning turns on and the fan adjusts to the highest speed.E
Passenger temperature control: Adjusts the temperature setting on the passenger side.F
Recirculated air: Press to switch between outside air and recirculated air. The air currently in the passenger compartment recirculates.This may reduce the time needed to cool the interior (when used with A/C) and reduce unwanted odors from entering your vehicle.G
Note: Recirculated air may turn off (or prevent you from switching on) in all air flow modes except MAX A/C to reduce the risk offogging. Recirculation may also turn on and off in Panel or Panel/Floor air flow modes during hot weather in order to improve coolingefficiency.
A/C: Press to switch the air conditioning on or off. Use A/C with recirculated air to improve cooling performance and efficiency.H
Note: In certain conditions (for example, maximum defrost), the air conditioning compressor may continue to operate even thoughyou switch off the air conditioning.
AUTO: Press to switch on automatic operation. Adjust to select the desired temperature. Fan speed, air distribution, air conditioningoperation, and outside or recirculated air adjust to heat or cool the vehicle to maintain the desired temperature. You can also switchoff dual zone mode by pressing and holding for more than two seconds.
I
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Climate Control

Transmission Operation:
Due to the technologically advanced,electronically-controlled continuouslyvariable transaxle, you will not feel shiftchanges like those of a non-hybrid vehicle.
Note:Since engine speed is controlled bythe transmission, it may seem elevated attimes. This is normal hybrid operation andhelps deliver fuel efficiency andperformance.
Neutral:
We recommend that you do not idle thevehicle in neutral (N) for an extended periodof time because this will discharge your highvoltage battery, shut off your air conditioningand heating, and decrease fuel economy.The engine will not start or stop, and cannotprovide power to the hybrid system in neutral(N).
Low:
Low (L) is designed to mimic the enhancedengine braking available in non-hybridvehicles. Low gear will produce high enginespeeds to provide necessary engine braking.This is normal and will not damage yourvehicle. In low gear, the gas engine willremain on more often than in drive (D).
Reverse:
In reverse (R), vehicle speed is limited to22 mph (35 km/h).
Battery:
Your hybrid is equipped with a high voltagebattery. A cool battery maintains battery lifeand provides the best possible performance.The high voltage battery is cooled by cabinair drawn from vent holes in the trim panelsbehind the rear seats. Avoid placing objectsat the vent holes that block airflow to thehigh voltage battery.
Engine:
The engine speed in your hybrid is notdirectly tied to your vehicle speed. Yourvehicle's engine and transmission aredesigned to deliver the power you need atthe most efficient engine speed. Duringheavy accelerations, your hybrid may reachhigh engine speeds (up to 6000 RPM).
In prolonged mountainous driving, you maysee the engine speed changing without yourinput. This is intentional and maintains thebattery charge level. You may also noticeduring extended downhill driving that yourengine continues to run instead of shuttingoff.
During this engine braking, the engine stayson, but it is not using any fuel. You may alsohear a slight whine or whistle when operatingyour vehicle. This is the normal operation ofthe electric generator in the hybrid system.
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Unique Driving Characteristics

BREAKING-IN
You need to break in new tires forapproximately 300 mi (480 km). During thistime, your vehicle may exhibit some unusualdriving characteristics. The engine alsoneeds to break in. Avoid hard accelerationsand driving too fast for the first 1,000 mi(1,600 km). If possible, avoid carrying heavyloads up steep grades during the break-inperiod.
ECONOMICAL DRIVING
Fuel economy is affected by several thingssuch as how you drive, the conditions youdrive under and how you maintain yourvehicle.
There are some things to keep in mind thatmay improve your fuel economy:
•Accelerate and slow down in a smooth,moderate fashion.
•Drive at steady speeds.
•Anticipate stops; slowing down mayeliminate the need to stop.
•Combine errands and minimizestop-and-go driving (When runningerrands, go to the furthest destinationfirst and then work your way back home).
•Close the windows for high-speeddriving.
•Drive at reasonable speeds.
•Keep the tires properly inflated and useonly the recommended size.
•Use the recommended engine oil.
•Perform all regularly scheduledmaintenance.
There are also some things you may want toavoid doing because they reduce your fueleconomy:
•Avoid sudden or hard accelerations.
•Avoid revving the engine before turningoff the car.
•Avoid long idle periods.
•Do not warm up your vehicle on coldmornings.
•Reduce the use of air conditioning andheat.
•Avoid using speed control in hilly terrain.
•Do not rest your foot on the brake pedalwhile driving.
•Avoid carrying unnecessary weight.
•Avoid adding particular accessories toyour vehicle (e.g. bug deflectors,rollbars/light bars, running boards, skiracks).
•Avoid driving with the wheels out ofalignment.
DRIVING THROUGH WATER
WARNING
Do not drive through flowing or deepwater as you may lose control of yourvehicle.
Note:Driving through standing water cancause vehicle damage.
Note:Engine damage can occur if waterenters the air filter.
Before driving through standing water, checkthe depth. Never drive through water that ishigher than the bottom of the front rockerarea of your vehicle.
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Driving Hints

Protected ComponentsFuse RatingFuse or Relay Number
Hybrid content vehicle power 2.15A352Battery energy control module.
Multi-contour seats.10A253
Hybrid content vehicle power 3.10A354Coolant pump.
Hybrid content vehicle power 4.10A355Air conditioning compressor.
1 M Case fuse.2 Micro 2 fuse.3 Micro 3 fuse.
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Fuses

Severe Climates
If you drive in extremely cold climates:
•It may be necessary to increase thecoolant concentration above 50%.
•A coolant concentration of 60% providesimproved freeze point protection. Coolant concentrations above 60%decrease the overheat protectioncharacteristics of the coolant and maycause engine damage.
If you drive in extremely hot climates:
•You can decrease the coolantconcentration to 40%.
•Coolant concentrations below 40%decrease the freeze and corrosionprotection characteristics of the coolantand may cause engine damage.
Vehicles driven year-round in non-extremeclimates should use prediluted coolant foroptimum cooling system and engineprotection.
Coolant Change
At specific mileage intervals, as listed in thescheduled maintenance information, thecoolant should be changed. Add predilutedcoolant approved to the correct specification.See Capacities and Specifications (page358).
Fail-Safe Cooling
Fail-safe cooling allows you to temporarilydrive your vehicle before any incrementalcomponent damage occurs. The fail-safedistance depends on ambient temperature,vehicle load and terrain.
How Fail-Safe Cooling Works
If the engine begins to overheat, the coolanttemperature gauge moves toward the redzone:
A warning lamp illuminates and amessage may appear in theinformation display.
If the engine reaches a presetover-temperature condition, the engineautomatically switches to alternating cylinderoperation. Each disabled cylinder acts as anair pump and cools the engine.
When this occurs, your vehicle still operates,however:
•Engine power is limited.
•The air conditioning system turns off.
Continued operation increases the enginetemperature, causing the engine tocompletely shut down. Your steering andbraking effort increases in this situation.
When the engine temperature cools, you canre-start the engine. Have your vehiclechecked as soon as possible to minimizeengine damage.
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Maintenance

You may notice a reduction in vehicle speedcaused by reduced engine power in orderto manage the engine coolant temperature. Your vehicle may enter this mode if certainhigh-temperature and high-load conditionstake place. The amount of speed reductiondepends on vehicle loading, grade andambient temperature. If this occurs, there isno need to pull off the road. You cancontinue to drive your vehicle.
The air conditioning may automatically turnon and off during severe operatingconditions to protect the engine fromoverheating. When the coolant temperaturedecreases to the normal operatingtemperature, the air conditioning turns on.
If the coolant temperature gauge moves fullyinto the red zone, or if the coolanttemperature warning or service engine soonmessages appear in your information display,do the following:
1. Pull off the road as soon as safelypossible and shift the transmission intopark (P).
2. Leave the engine running until thecoolant temperature gauge needlereturns to the normal position. If thetemperature does not drop after severalminutes, follow the remaining steps.
3. Switch the engine off and wait for it tocool. Check the coolant level.
4. If the coolant level is at or below theminimum mark, add prediluted coolantimmediately.
5. If the coolant level is normal, restart theengine and continue.
AUTOMATIC TRANSMISSION
FLUID CHECK
Note:Transmission fluid should be checkedby an authorized dealer. If required, fluidshould be added by an authorized dealer.
Have an authorized dealer check and changethe transmission fluid at the correct serviceinterval. See Maintenance (page 300). Yourtransmission does not consume fluid.However, the fluid level should be checkedif the transmission is not working properly,(i.e., if the transmission slips or shifts slowly)or if you notice some sign of fluid leakage.
Do not use supplemental transmission fluidadditives, treatments or cleaning agents. Theuse of these materials may affecttransmission operation and result in damageto internal transmission components.
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.
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Maintenance

CAPACITIES AND SPECIFICATIONS
Capacities
WARNING
The air conditioning refrigerant system contains refrigerant under high pressure. Only qualified personnel should service the airconditioning refrigerant system. Opening the air conditioning refrigerant system can cause personal injury.
CapacityItem
4.5 qt (4.3 L)Engine oil (with oil filter).
8.9 qt (8.4 L)Engine coolant.
1.1 qt (1 L)Inverter system coolant.
Between MIN/MAX on brake fluid reservoirBrake fluid.
4.8 qt (4.5 L)*Automatic transmission fluid.
Fill as requiredWindshield washer fluid.
14.0 gal (53 L)Fuel tank.
18 oz (0.51 kg)A/C Refrigerant.
5.24 fl oz (155 ml)A/C Refrigerant Compressor Oil.
*Approximate dry fill capacity. Actual amount may vary during fluid changes.
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Capacities and Specifications