Your vehicle may have an automatic dimming rearview mirror with the OnStar® System.

Press the button located below the mirror, on the far left, for up to three seconds to turn the automatic dimming feature off and on. While turned on, this mirror functions exactly like the automatic dimming mirror described previously.

There are two lamps located on the bottom of the mirror. Press the button next to each lamp to turn it on and off.

There are also OnStar® buttons located at the bottom of the mirror. See your dealer for more information on the system and how to subscribe to OnStar®. See OnStar® System for more information about the service OnStar® provides.