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:

    Coverage
    Services are provided up to 5 years/100,000 miles (160 000 km), whichever comes first. In the U.S., anyone driving the vehicle is covered. In Canada, a person driving the vehicle without permissi ...

    FM
    FM signals only reach about 16 to 65 km (10 to 40 mi). Although the radio has a built-in electronic circuit that automatically works to reduce interference, some static can occur, especially ...

    Dual Automatic Climate ControlSystem
    With this system you can control the heating, cooling and ventilation for your vehicle. When your vehicle is first started and the climate control system is on, or if the climate control system h ...