Air filter

Refer to scheduled maintenance information for the appropriate intervals for changing the air filter element.
When changing the air filter element, use only the air filter element listed. Refer to Motorcraft part numbers in this chapter.
WARNING: To reduce the risk of vehicle damage and/or personal burn injuries do not start your engine with the air cleaner removed and do not remove it while the engine is running.
For Ecoboost™ equipped vehicles, when servicing the air cleaner, it is important that no foreign material enter the air induction system. The engine and turbocharger are susceptible to damage from even small particles.
See also:
Brakes
Occasional brake noise is normal. If a metal-to-metal, continuous grinding
or continuous squeal sound is present, the brake linings may be worn-out
and should be inspected by an authorized dealer. ...
Adding engine oil
1. Check the engine oil. For instructions, refer to Checking the engine
oil in this chapter.
2. If the engine oil level is not within the normal operating range, add
only certified engine oil of ...
Tire rotation
Rotating your tires at the recommended interval (as indicated in the
Scheduled Maintenance chapter) will help your tires wear more evenly,
providing better tire performance and longer tire life.
...
