Ford 1996 Bronco Manual page 136

Automatic Dimming Inside Rearview
Mirror (If equipped)
Automatic dimming inside rearview mirror
This mirror is equipped with an electrochromic
glare control feature that automatically darkens
the mirror, reducing glare from the headlamps
of vehicles behind you. A forward facing light
sensor measures the ambient light just as your
eyes do. When the rear facing light sensor in the
glass senses glare, such as from following
headlights, it energizes a chemical layer in the
glass causing it to darken and absorb light. As
the glare subsides, the mirror glass returns to its
normal clear state.
To turn the mirror on, push the On/Off switch,
located on the bottom of the mirror, to latch it
in the ON position. The button will be latched in
the up position and at night a low intensity
green light will be visible from the button when
the mirror is turned on. To turn the mirror off,
136