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:

    Battery
    If the vehicle is a Hybrid, see the Hybrid Supplement for more information. This vehicle has a maintenance free battery (or batteries). Refer to the replacement number on the original battery label w ...

    Ending a Call
    Press to end a call. ...

    Engine Hours
    Press the vehicle information button until ENGINE HOURS displays. This display shows the total number of hours the engine has run. ...