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.

    See also:

    XM Radio Messages
    XL (Explicit Language Channels): These channels, or any others, can be blocked at a customer’s request, by calling 1-800-852-XMXM (9696). XM Updating: The encryption code in the receiver is b ...

    Using the Digit Dial Command
    1. Press and hold for two seconds. The system responds with “Ready” followed by a tone. 2. Say “Digit Dial”. The system responds with “Digit dial using <phone name>, please say ...

    If You Do Decide To Pull A Trailer
    If you do, here are some important points: • There are many different laws, including speed limit restrictions, having to do with trailering. Make sure your rig will be legal, not only where ...