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:

    Shifting Out of Four-Wheel Drive Low
    To shift from Four-Wheel Drive Low to Four-Wheel Drive High, AUTO or Two-Wheel Drive High, the vehicle must be stopped or moving less than 5 km/h (3 mph) with the transmission in N (Neutral) and the i ...

    Dual Tone Multi-Frequency (DTMF) Tones
    The Bluetooth system can send numbers and the numbers stored as name tags during a call. You can use this feature when calling a menu&-driven phone system. Account numbers can also be stored f ...

    Brake Assist
    This vehicle has a brake assist feature designed to assist the driver in stopping or decreasing vehicle speed in emergency driving conditions. This feature uses the stability system hydraulic brake co ...