See also:

Programming Transmitters to the Vehicle
Only keyless access transmitters programmed to the vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer. The vehicle can be ...

Instrument Panel Illumination Control
The instrument panel brightness knob is located on the instrument panel next to the steering column. (Instrument Panel Brightness): Turn the knob clockwise or counterclockwise to brighten ...

Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and opt ...