See also:

Satellite Radio Antenna
For vehicles with XM satellite radio service, the antenna is located on the roof of the vehicle. Keep the antenna clear of obstructions for clear radio reception. ...

OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can be used to interact with OnStar Hands-Free calling. See Steering Wheel Controls  for more information. On some vehicles, the Talk button can be ...

Making a Call
Calls can be made using the following commands: • Dial • Digit Dial • Call • Re-dial ...