General maintenance information

See also:
Motorcraft part numbers
Refer to scheduled maintenance information for the appropriate
intervals for changing the spark plugs.
Note: Replace the spark plugs with ones that meet Ford material and
design specificati ...
Autolock feature (if enabled)
The autolock feature will lock all the doors when:
• all the doors are closed
• the ignition is on,
• you shift into any gear putting the vehicle in motion, and
• the vehicle attains a speed ...
Third generation
The 2007 Navigator was unveiled at the Chicago Auto Show in February 2006. It
is joined by a long wheelbase Navigator L based on the Expedition EL and shares
the new Ford T1 platform with that veh ...
