See also:

Exterior Lighting
The exterior lamp control is located to the left of the steering column on the instrument panel. : Briefly turn to this position to turn the automatic lamp control off or on again. AUTO: Turn ...

Window Lockout
(Window Lockout): The rear window lockout button is located on the driver’s door armrest near the window switches. Press the right side of this button to disable the rear window controls. ...

Automatic Dimming Rearview Mirror
The vehicle may have an automatic dimming inside rearview mirror with OnStar® and/or a compass display. Automatic dimming reduces the glare from the headlamps of the vehicle behind you. The dim ...