2001 Buick Regal Owner's Manual - Page 119

Inside Day/Night Rearview Mirror with OnStarR and Map Lamps (If Equipped) This mirror has a lever located at the bottom of the mirror between the two map lamps. This lever is used to change the mirror from day to night position. To reduce glare from headlamps behind you while driving at night, turn the lever 90 . To return the mirror to the day position, return the lever to its original position. There are two map lamps located on the bottom of the mirror. Each lamp is turned on and off by pressing the button next to the lamp. Electrochromic Automatic Dimming Rearview Mirror (If Equipped) _ Your vehicle may have an electrochromic day/night rearview mirror. Push the button in the center of the mirror to turn this feature on. The mirror will darken gradually to reduce glare from headlamps behind you. This may take a few moments. The mirror's two outer buttons operate the lights on the bottom sides of the mirror. There are also three OnStar buttons located at the bottom of the mirror face. See your dealer for more information on the system and how to subscribe to OnStar. See "OnStar System" in the Index for more information about the services OnStar provides. 2-50