Safety belt warning light and indicator chime

The safety belt warning light illuminates in the instrument cluster and a chime sounds to remind the occupants to fasten their safety belts.
Conditions of operation

See also:
Replacement of Integrated Keyhead Transmitters and Coded Keys
Note: Your vehicle comes equipped with two integrated keyhead
transmitters.
The integrated keyhead transmitter functions as both a programmed
ignition key that operates all the locks and starts t ...
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 ...
Unlocking and locking the doors using keyless entry
To unlock the driver’s door, enter the factory set 5-digit code or
your
personal code. Each number must be pressed within five seconds of each
other. The interior lamps will illuminate. Note: If ...
