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:
Second generation (2003–2006)
The Navigator was updated in 2003, along with the Ford Expedition, on the new
Ford U platform. The interior was also substantially revised to bring it up to
the level expected by luxury buyers. So ...
Active park assist (APA) (if equipped)
Active park assist (APA) will detect an available parallel parking space
and automatically steer the vehicle into the space (hands-free) while you
control the accelerator, gearshift and brakes. Th ...
Driving on slippery surfaces with AWD vehicles
AWD vehicles are specially equipped for driving on sand, snow, mud and
rough roads and have operating characteristics that are somewhat
different from conventional vehicles, both on and off the hi ...