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:

    Engine Oil Pressure Light
    Notice: Lack of proper engine oil maintenance can damage the engine. Driving with the engine oil low can also damage the engine. The repairs would not be covered by the vehicle warranty. Check the o ...

    Sensors
    The solar sensor located on the instrument panel, near the windshield, monitors the solar heat. The interior temperature sensor, located on the instrument panel to the right of the steeri ...

    Engine Cooling System Messages
    A/C OFF DUE TO HIGH ENGINE TEMP This message displays when the engine coolant becomes hotter than the normal operating temperature. To avoid added strain on a hot engine, the air conditioning com ...