Mercury 1996 Grand Marquis Manual page 143

Mirrors
You can adjust your rearview mirror in any
direction. The special swivel bracket lets you
move the mirror up or down and from side to
side.
Make sure you can see clearly through the
rearview mirror at all times. Do not block
your vision. If you cannot see through the
mirror, it could result in a collision,
injuring yourself and others.
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 will return to the normal state
after a short delay. The delay starts when the
glare goes away. The delay prevents excessive
changing of the mirror as traffic moves behind
and around the vehicle, or on rolling hills and
curves.
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