1996 Buick Park Avenue Owner's Manual

Electrochromic Day/Night Rearview Mirrorwith Compass (Option)This mirror automatically changes to reduce glare whenset in the M (Mirror) or C/M (Compass/Mirror) positions.This mirror automatically changes to reduce glare fromheadlamps behind you. One photocell on the back of themirror senses when it is becoming dark outside. Anotherphotocell is built into the mirror surface to senseheadlamps behind you.At night, when the glare is too high, the mirror willgradually darken to reduce glare (this change may take afew seconds). The mirror will return to its clear daytimestate when the glare is reduced.Setting the MirrorOFF: This setting turns off the day/night function andcompass. The mirror will stay in the day mode.M: This turns on the day/night portion of the mirror toautomatically reduce glare.C/M: This setting turns on the compass in addition tothe day/night function. The letter or letters displayed inthe top right corner of the mirror indicate the directionin which you are traveling.Time DelayThis feature prevents rapid changing of the mirror fromthe night mode to the day mode as you drive underlights and through traffic.Reverse Gear Day ModeThe reverse mode is another important feature the ofautomatic mirror. When the shift lever is placed inREVERSE (R), the mirror changes to the day mode. Thisgives you a bright image in the mirror as you back up.