Ford 1996 Windstar Manual page 192

Operating the electric mirrors
Heated Side View Mirrors (If equipped)
The heated side view mirrors are automatically activated
whenever you activate the rear defogger. The defogger in your
vehicle automatically shuts off after 10 minutes. If additional
defogging is necessary, reactivate the rear defogger.
Automatic Dimming Inside Rearview Mirror
(If equipped)
The automatic non-glare mirror
The electronic day/night mirror will change from the normal
state to the non-glare state when bright lights (glare) reach the
mirror. This mirror functions at night, and has a limited
function at dusk or dawn. From the non-glare state, the mirror
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