Page 513 of 595

Your vehicle is equipped with the IntelligentOil-Life Monitor system, which displays amessage in the information display at theproper oil change interval. This interval maybe up to one year or 10,000 mi (16,000 km).
When the oil change message appears inthe information display, it is time for an oilchange. Make sure you perform the oilchange within two weeks or 500 mi (800 km)of the message appearing. Make sure youreset the Intelligent Oil-Life Monitor aftereach oil change. See Oil Change IndicatorReset (page 309).
If your information display resets prematurelyor becomes inoperative, you should performthe oil change interval at six months or5,000 mi (8,000 km) from your last oilchange. Never exceed one year or 10,000 mi(16,000 km) between oil change intervals.
Your vehicle is very sophisticated and builtwith multiple, complex, performance systems.Every manufacturer develops these systemsusing different specifications andperformance features. That is why it isimportant to rely upon your dealership toproperly diagnose and repair your vehicle.
Ford Motor Company has recommendedmaintenance intervals for various parts andcomponent systems based upon engineeringtesting. Ford Motor Company relies upon thistesting to determine the most appropriatemileage for replacement of oils and fluids toprotect your vehicle at the lowest overall costto you and recommends againstmaintenance schedules that deviate fromthe scheduled maintenance information.
We strongly recommend the use of onlygenuine Ford, Motorcraft or Ford-authorizedre-manufactured replacement partsengineered for your vehicle.
Additives and Chemicals
This owner's manual and the Ford WorkshopManual list the recommended additives andchemicals for your vehicle. We do notrecommend using chemicals or additives notapproved by us as part of your vehicle’snormal maintenance. Please consult yourwarranty information.
Oils, Fluids and Flushing
In many cases, fluid discoloration is a normaloperating characteristic and, by itself, doesnot necessarily indicate a concern or that thefluid needs to be changed. However, aqualified expert, such as the factory-trainedtechnicians at your dealership, shouldinspect discolored fluids that also show signsof overheating or foreign materialcontamination immediately.
Make sure to change your vehicle’s oils andfluids at the specified intervals or inconjunction with a repair. Flushing is a viableway to change fluid for many vehiclesub-systems during scheduled maintenance.It is critical that systems are flushed only withnew fluid that is the same as that requiredto fill and operate the system or using aFord-approved flushing chemical.
Owner Checks and Services
Make sure you perform the following basicmaintenance checks and inspections everymonth or at six-month intervals.
510
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201706, First Printing
Scheduled Maintenance
Page 518 of 595

Maintenance Intervals
At Every Oil Change Interval as Indicated by the Information Display1
Change engine oil and filter.2
Rotate the tires.
Perform a multi-point inspection (recommended).
Inspect the automatic transmission fluid level. Consult your dealer for requirements.
Inspect the brake pads, rotors, hoses and parking brake.
Inspect the engine cooling system strength and hoses.
Inspect the exhaust system and heat shields.
Inspect the rear axle and U-joints (All-Wheel Drive only).
Inspect the half-shaft boots.
Inspect the steering linkage, ball joints, suspension, tie-rod ends, driveshaft and U-joints.
Inspect the tires, tire wear and measure the tread depth.
Inspect the wheels and related components for abnormal noise, wear, looseness or drag.
1 Do not exceed one year or 10,000 mi (16,000 km) between service intervals.2 Reset the Intelligent Oil-Life Monitor after engine oil and filter changes. See Oil Change Indicator Reset (page 309).
515
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201706, First Printing
Scheduled Maintenance
Page 523 of 595

Operating in dusty or sandy conditions (such as unpaved or dusty roads)
Perform multi-point inspection.
Change automatic transmission fluid.Every 30000 miles (48000km)
*Reset your Intelligent Oil-Life Monitor after engine oil and filter changes. See Engine Oil Check (page 308).
Exclusive use of E85 (flex fuel vehicles only)
If ran exclusively on E85, fill the fuel tank full with regular unleaded fuel.Every oil change
Exceptions
There are several exceptions to the NormalSchedule:
Rear Axle and PTU Maintenance
The Power Transfer Unit (PTU) and rear axle(AWD only) in your vehicle does not requireany normal scheduled maintenance unlessthe unit shows signs of leakage. Contact anauthorized dealer for service.
California Fuel Filter Replacement
If you register your vehicle in California, theCalifornia Air Resources Board hasdetermined that the failure to perform thismaintenance item does not nullify theemission warranty or limit recall liabilitybefore the completion of your vehicle'suseful life. Ford Motor Company, however,urges you to have all recommendedmaintenance services performed at thespecified intervals and to record all vehicleservice.
Hot Climate Oil Change Intervals
Vehicles operating in the Middle East, NorthAfrica, Sub-Saharan Africa or locations withsimilar climates using an American PetroleumInstitute (API) Certified for Gasoline Engines(Certification mark) oil of SM or SN quality,the normal oil change interval is 3000 miles(5000 kilometers).
If the available API SM or SN oils are notavailable, then the oil change interval is 1800miles (3000 kilometers).
520
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201706, First Printing
Scheduled Maintenance