See also:

Roadside Assistance Program (Mexico)
As a new owner, your vehicle is automatically enrolled in the Roadside Assistance program. The services are available at no cost under the terms and conditions of the program. The Roadside Assistance ...

Setting Preset Stations
To store presets: 1. Tune to a radio station. 2. Press and hold one of the six numbered pushbuttons for three seconds until a beep sounds. 3. Repeat Steps 1 and 2 to store additional radio stations ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...