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:

    If No Steam Is Coming from the Engine Compartment
    If an engine overheat warning is displayed but no steam can be seen or heard, the problem may not be too serious. Sometimes the engine can get a little too hot when the vehicle: - Climbs a long h ...

    Second Row Seats
    On vehicles with a 60/40 split bench or buckets seats, the seatbacks can be folded for additional cargo space, or the seats can be folded and tumbled for easy entry/exit to the third row seats, if ...

    Overheated Engine Protection Operating Mode
    If an overheated engine condition exists and the ENGINE POWER IS REDUCED message is displayed, an overheat protection mode which alternates firing groups of cylinders helps prevent engine damage. ...