Ford Flex 2018 Owner's Manual page 455

At Every Oil Change Interval as Indicated by the Information Display
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 250).
Every 20,000 mi
(32,000 km)
Every 30,000 mi
(48,000 km)
At 100,000 mi
(160,000 km)
Every 100,000 mi
(160,000 km)
Every 150,000 mi
(240,000 km)
1
Perform these maintenance items within 3,000 mi (4,800 km) of the last engine oil and
filter change. Do not exceed the designated distance for the interval.
2
Initial replacement at six years or 100,000 mi (160,000 km), then every three years or
50,000 mi (80,000 km).
3
After initial inspection, inspect every other oil change until replaced.
4
If not replaced within the last 100,000 mi (160,000 km).
Flex (TP3) , enUSA, Edition date: 201801, Second Printing
Scheduled Maintenance
Other Maintenance Items
Replace cabin air filter.
Replace engine air filter.
Change engine coolant.
Replace spark plugs.
Inspect accessory drive belt(s).
Change automatic transmission fluid.
Replace accessory drive belt(s).
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