OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview  ...

Keys and Locks

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See also:

Automatic Dimming Mirror
If the vehicle has the automatic dimming mirror, the driver outside mirror automatically adjusts for the glare of headlamps behind you. This feature is controlled by the on and off setting on the i ...

Power Seat Adjustment
WARNING You can lose control of the vehicle if you try to adjust a driver seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal when you ...

Adjusting the steering wheel
WARNING Never adjust the steering column while the vehicle is in motion. Doing so may cause a loss of control, potentially resulting in an accident. 1. Electric adjustment: Move the control ...