See also:

Interior Mirror
Adjustment Hold the rearview mirror in the center and move it to view the area behind the vehicle. Automatic Dimming Rearview Mirror The mirror will automatically reduce the glare from the headla ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Lockout Protection
If the driver side power door lock switch is pressed when the driver door is open and the key is in the ignition, all of the doors will lock and then the driver door will unlock. If the passenger ...