2018 FORD FOCUS page 39

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.
If the coolant level is at or below theminimum mark, add prediluted coolantimmediately.
To top up the coolant level do thefollowing:
1.Unscrew the cap slowly. Any pressureescapes as you unscrew the cap.
2.Add prediluted coolant approved tothe correct specification. SeeCapacities and Specifications (page268).
3.Add enough prediluted coolant toreach the 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 yourvehicle checked as soon as possible.Operating an engine with a low level ofcoolant can result in engine overheatingand possible engine damage.
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 coolantin order to reach a vehicle service location.In this instance, qualified personnel:
1.Must drain the cooling system.
2.Chemically clean the coolant system.
3.Refill with engine coolant as soon aspossible.
Water alone, without engine coolant, cancause engine damage from corrosion,overheating or 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 ofthe coolant.
Recycled Coolant
We do not recommend the use of recycledcoolant as an approved recycling processis not yet available.
Dispose of used engine coolant in anappropriate manner. Follow yourcommunity's regulations and standardsfor recycling and disposing of automotivefluids.
2182018 Focus (CDH) Canada/United States of America, JM5J 19A321 AA enUSA, Edition date: 201706, Second PrintingMaintenance

Severe Climates
If you drive in extremely cold climates:
•It may be necessary to increase thecoolant concentration above 50%.
•A coolant concentration of 60%provides improved freeze pointprotection. Coolant concentrationsabove 60% decrease the overheatprotection characteristics of thecoolant and may cause enginedamage.
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 thecoolant and may cause enginedamage.
Vehicles driven year-round in non-extremeclimates should use prediluted coolant foroptimum cooling system and engineprotection.
Coolant Change
At specific mileage intervals, as listed inthe scheduled maintenance information,the coolant should be changed. Addprediluted coolant approved to the correctspecification. See Capacities andSpecifications (page 268).
Fail-Safe Cooling
Fail-safe cooling allows you to temporarilydrive your vehicle before any incrementalcomponent damage occurs. The fail-safedistance depends on ambienttemperature, vehicle load and terrain.
How Fail-Safe Cooling Works
If the engine begins to overheat,the coolant temperature gaugemoves toward the red zone:
A warning lamp illuminates anda message may appear in theinformation display.
If the engine reaches a presetover-temperature condition, the engineautomatically switches to alternatingcylinder operation. Each disabled cylinderacts as an air pump and cools the engine.
When this occurs, your vehicle stilloperates, 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, youcan re-start the engine. Have your vehiclechecked as soon as possible to minimizeengine damage.
When Fail-Safe Mode Is Activated
WARNINGS
Fail-safe mode is for use duringemergencies only. Operate yourvehicle in fail-safe mode only as longas necessary to bring your vehicle to restin a safe location and seek immediaterepairs. When in fail-safe mode, yourvehicle will have limited power, will not beable to maintain high-speed operation, andmay completely shut down withoutwarning, potentially losing engine power,power steering assist, and power brakeassist, which may increase the possibilityof a crash resulting in serious injury.
Never remove the coolant reservoircap when the engine is running orhot.
2192018 Focus (CDH) Canada/United States of America, JM5J 19A321 AA enUSA, Edition date: 201706, Second PrintingMaintenance

AUTOMATIC TRANSMISSION
FLUID CHECK
The automatic transmission does not havea transmission fluid dipstick.
Have an authorized dealer check andchange the transmission fluid at thecorrect service interval. See ScheduledMaintenance (page 409). Yourtransmission does not consume fluid.However, if the transmission slips, shiftsslowly or if you notice a sign of leakingfluid, contact an authorized dealer.
Do not use supplemental transmissionfluid additives, treatments or cleaningagents. The use of these materials mayaffect transmission operation and resultin damage to internal transmissioncomponents.
BRAKE FLUID CHECK
WARNINGS
Do not use any fluid other than therecommended brake fluid as this willreduce brake efficiency. Use ofincorrect fluid could result in the loss ofvehicle control, serious personal injury ordeath.
Only use brake fluid from a sealedcontainer. Contamination with dirt,water, petroleum products or othermaterials may result in brake systemdamage or failure. Failure to adhere to thiswarning could result in the loss of vehiclecontrol, serious personal injury or death.
Do not allow the fluid to touch yourskin or eyes. If this happens, rinse theaffected areas immediately withplenty of water and contact your physician.
WARNINGS
A fluid level between the MAX andMIN lines is within the normaloperating range and there is no needto add fluid. A fluid level not in the normaloperating range could compromise theperformance of the system. Have yourvehicle checked immediately.
To avoid fluid contamination, the reservoircap must remain in place and fully tight,unless you are adding fluid.
Only use fluid that meets Fordspecifications.
CLUTCH FLUID CHECK -
MANUAL TRANSMISSION
The clutch and brake systems share thesame fluid reservoir. See Brake FluidCheck (page 221).
2212018 Focus (CDH) Canada/United States of America, JM5J 19A321 AA enUSA, Edition date: 201706, Second PrintingMaintenanceE170684

When a battery replacement is required,the battery should only be replaced witha Ford recommended replacement batterythat matches the electrical requirementsof the vehicle.
Because your vehicle’s engine iselectronically-controlled by a computer,some engine control settings aremaintained by power from the low voltagebattery. Some engine computer settings,like the idle trim and fuel trim strategy,optimize the driveability and performanceof the engine. Some other computersettings, like the clock and radio stationpresets, are also maintained in memory bypower from the low voltage battery. Whena technician disconnects and connects thelow voltage battery, these settings areerased. Complete the following procedurein order to restore the settings:
1.With the vehicle at a complete stop,set the parking brake.
2.Shift into park (P).
3.Switch off all accessories.
4.Fully press the brake pedal and startthe vehicle.
5.Run the engine until it reaches normaloperating temperature. While theengine is warming up, complete thefollowing: Reset the clock. See AudioSystem (page 281). Reset the powerwindows bounce-back feature. SeeWindows and Mirrors (page 82).Reset the radio station presets. SeeAudio System (page 281).
6.Allow the engine to idle for at least oneminute. If the engine turns off, pressthe accelerator pedal to start theengine.
7.While the engine is running, press thebrake pedal and shift into neutral (N).
8.Allow the engine to run for at least oneminute by pressing on the acceleratorpedal.
9.Drive the vehicle at least 12 mi (20 km)to completely relearn the idle 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 fueltrim strategy.
Make sure that you dispose of old batteriesin an environmentally friendly way. Seekadvice from your local authority aboutrecycling old batteries.
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 fluidor water applied with a soft sponge orcloth.
CHANGING THE FRONT WIPER
BLADES
Note: If streaks or smears appear on thewindshield, clean the windshield and thewiper blades. If that does not resolve theissue, install new wiper blades.
2232018 Focus (CDH) Canada/United States of America, JM5J 19A321 AA enUSA, Edition date: 201706, Second PrintingMaintenanceE142463

Note:There may be an identifying mark onthe lens to help you locate the center of thebulb.
Note:To see a clearer light pattern whileadjusting one headlamp, you may want toblock the light from the other headlamp.
3.Switch on the low beam headlampsand open the hood.
4.On the wall or screen you will observea flat zone of high intensity lightlocated at the top of the beam pattern.If the top edge of the flat zone of highintensity light is not on the horizontalreference line, adjust the aim of theheadlamp beam.
5.Locate the vertical adjuster on eachheadlamp. Use a suitable tool, forexample a screwdriver or hexagonalsocket, to turn the adjuster clockwiseor counterclockwise to adjust thevertical aim of the headlamp. Thehorizontal edge of the brighter lightshould touch the horizontal referenceline.
6.Close the hood and switch off thelamps.
Horizontal Aim Adjustment
The horizontal aim of the headlamp beamon your vehicle is not adjustable.
REMOVING A HEADLAMP
1.Open the hood. See Opening andClosing the Hood (page 211).
2262018 Focus (CDH) Canada/United States of America, JM5J 19A321 AA enUSA, Edition date: 201706, Second PrintingMaintenanceE199411 E142465 E164485

2.Remove the screws.
3.Pull the headlamp as far as possibletowards the front of the vehicle todisengage it from the lower fixing point.
4.Lift the outer side of the headlamp andremove it.
5.Disconnect the electrical connector.
CHANGING A BULB
WARNING
Handle a halogen headlamp bulbcarefully and keep out of children’sreach. Grasp the bulb by only itsplastic base and do not touch the glass.The oil from your hand could cause thebulb to break the next time the headlampsare operated.
Note:If you accidently touch the bulb, youshould clean it with rubbing alcohol.
Headlamp
Side marker bulb.A.
Low beam headlamp bulb.B.
High beam headlamp bulb.C.
Direction indicator bulb.Cornering lamp bulb.D.
Headlamp Low Beam
1.Remove the headlamp. SeeRemoving a Headlamp (page 226).
2272018 Focus (CDH) Canada/United States of America, JM5J 19A321 AA enUSA, Edition date: 201706, Second PrintingMaintenanceE1332152243 E1337505 E184152BACD

2.Carefully remove the cover.
3.Disconnect the electrical connector.
4.Release the clip and remove the bulb.
Headlamp High Beam
1.Remove the headlamp. SeeRemoving a Headlamp (page 226).
2.Carefully remove the cover.
3.Disconnect the electrical connector.
4.Release the clip and remove the bulb.
HID Headlamps
If your vehicle has high-intensity dischargeheadlamps, these lamps operate at a highvoltage. Contact an authorized dealer.
Cornering Lamp (If Equipped)
1.Remove the headlamp. SeeRemoving a Headlamp (page 226).
2.Carefully remove the cover.
3.Depress the clip to remove the bulbholder.
4.Remove the bulb holder by pulling itstraight out.
5.Remove the bulb by pulling it straightout.
Note:Do not touch the bulb glass.
Front Direction Indicator
1.Remove the headlamp. SeeRemoving a Headlamp (page 226).
2282018 Focus (CDH) Canada/United States of America, JM5J 19A321 AA enUSA, Edition date: 201706, Second PrintingMaintenanceE13310624 E13310524 3234E221808

2.Carefully remove the cover.
3.Turn the bulb holder counterclockwiseand remove it.
4.Press the bulb in and turn the bulbcounterclockwise to remove it.
Side Marker Bulb
1.Remove the headlamp. SeeRemoving a Headlamp (page 226).
2.Carefully remove the cover.
3.Remove the bulb holder by pulling itstraight out.
4.Remove the bulb by pulling it straightout.
Front Fog Lamp
1.Remove fog lamp grille from the frontfascia then unscrew the fog lamp.
2.Disconnect the electrical connector.
3.Turn the bulb holder counterclockwiseand remove it.
Note:You cannot separate the bulb fromthe bulb holder.
2292018 Focus (CDH) Canada/United States of America, JM5J 19A321 AA enUSA, Edition date: 201706, Second PrintingMaintenanceE184153342 2E184156 2E1841573