MirrorsAutomatic Dimming Rearview Mirrorwith OnStar®The vehicle may have an automatic dimminginside rearview mirror with OnStar® controls. Formore information about OnStar® , see OnStar®System on page 137.O(On/Off): The on/off button, located on thelower left side of the mirror, is used for theautomatic dimming functions of the rearview mirror.Mirror OperationThe automatic dimming feature comes on eachtime the vehicle is started. Automatic dimmingreduces the glare of lights from behind the vehicle.To turn the automatic dimming feature on or off,press and release the on/off button. The indicatorlight will come on when this feature is on.Passenger Airbag IndicatorThe mirror may have a passenger airbag indicatoron the mirror glass, just above the buttons. Ifthe vehicle has this feature, the mirror will displaythe word ON, or an airbag symbol in Canada,when the passenger airbag is enabled. SeePassenger Sensing System on page 79 for moreinformation.Cleaning the MirrorWhen cleaning the mirror, use a paper towel orsimilar material dampened with glass cleaner.Do not spray glass cleaner directly on the mirroras that may cause the liquid cleaner to enterthe mirror housing.132