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:

    Using the Radio to Control a USB Storage Device or iPod
    The radio can control a USB storage device or an iPod using the radio buttons and knobs and display song information on the radio’s display. (Tune): Turn to select files. SEEK: Press to go to th ...

    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 ...

    Compass Calibration
    The compass can be manually calibrated. Only calibrate the compass in a magnetically clean and safe location, such as an open parking lot, where driving the vehicle in circles is not a danger. It is ...