Automatic Day/Night Mirror Switch (With ONSTAR(R))

Automatic day/night feature is turned on or off by pressing on/off switch (far left button, located on lower part of mirror face) for up to 3 seconds with ignition switch in RUN position. A Green indicator will illuminate on mirror when the automatic day/night feature is enabled. To disable automatic day/night feature, depress and hold on/off switch for 3 seconds.