Windshield wiper rainlamp feature

When the windshield wipers are turned on during daylight, and the headlamp control is in the autolamp position, the exterior lamps will turn on after a brief delay and will remain on until the wipers are turned off.
See also:
Rear window defroster
The rear defroster control is located on the climate control panel and
works to clear the rear window of fog and thin ice.
The engine must be running to operate the rear window defroster.
Press
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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 ...
How does the Personal Safety System work?
The Personal Safety System can adapt the deployment strategy of your
vehicle’s safety devices according to crash severity and occupant
conditions. A collection of crash and occupant sensors provid ...
