2021 FORD F-150 reset

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Page 661 of 796

FORD F-150 2021  Owners Manual During an update you will not be able to
drive your vehicle, start the vehicle, use
remote controls to lock and unlock the
vehicle. The alarm, central locks, and door
tones are disabled. The electroni

Page 668 of 796

FORD F-150 2021  Owners Manual GENERAL MAINTENANCE
INFORMATION
Why Maintain Your Vehicle?
Carefully following the maintenance
schedule helps protect against major repair
expenses resulting from neglect or
inadequate maintenance and

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FORD F-150 2021  Owners Manual When to Expect the OIL CHANGE REQUIRED Message
Vehicle Use and Example
Interval 1
Extreme
3,000–5,000 mi
(5,000–8,000 km) Maximum load or towing.
Extreme hot or cold operation.
1  Hybrid vehicles

Page 674 of 796

FORD F-150 2021  Owners Manual Other Maintenance Items
1
Replace the accessory drive belt(s).
Change the engine coolant. 5
At 200,000 mi
(322,000 km)
1  Perform these maintenance items within 
3,000 mi (4,800 km) of the last engine

Page 677 of 796

FORD F-150 2021  Owners Manual Operating in Dusty or Sandy Conditions - Such as Unpaved or Dusty Roads
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
Every 5,000 mi (8,000 km)
Rotate the tire

Page 678 of 796

FORD F-150 2021  Owners Manual Off-Road Operation
Change the engine oil and filter. 1
Every 7,500 mi (12,000 km)
or 300 engine hours
Replace the engine-mounted and frame-mounted fuel
filters.
Every 
30,000 mi
(48,000 km), six month

Page 679 of 796

FORD F-150 2021  Owners Manual Engine Air Filter Replacement
The life of the engine air filter is dependent
on exposure to dusty and dirty conditions.
Vehicles operated in these conditions
require frequent inspection and
replacemen

Page 680 of 796

FORD F-150 2021  Owners Manual Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use,
such as Delivery, Taxi, Patrol Car or Livery
Change the engine oil and filter as indicated by the
information disp