See also:

Replacing high-mount brake lamp bulbs
Your vehicle is equipped with an LED center high-mount stop lamp. It is designed to last the life of the vehicle. If replacement is required, it is recommended that you see your authorized dealer. ...

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 ...

Day and night brightness
The BLIS and/or CTA alert will automatically dim when the headlamp switch is in PARK, ON, or AUTO ON and night time darkness has been detected by the sun sensor. ...