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:
Working with the engine off
1. Set the parking brake and ensure the gearshift is securely latched in P
(Park).
2. Turn off the engine and remove the key.
3. Block the wheels to prevent the vehicle from moving unexpectedly. ...
Hazard flasher control
The hazard flasher is located
between the center air registers
above the radio. The hazard flashers
will operate whether the ignition is
off or on.
• Press the flasher control and all
fro ...
Performance
A big SUV is all about imposing looks and a muscular engine. The Navigator
has the looks part down, but the 300-horsepower V-8 engine seems woefully
lacking in the power department, especially at ...
