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:

    Limited-Slip Rear Axle
    Vehicles with a limited-slip rear axle can give more traction on snow, mud, ice, sand, or gravel. When traction is low, this feature allows the drive wheel with the most traction to move the vehi ...

    StabiliTrak® System
    The vehicle has a vehicle stability enhancement system called StabiliTrak. It is an advanced computer-controlled system that assists the driver with directional control of the vehicle in difficult ...

    Map Database Information
    Use the Map Database Information/ Remove Map Data screen button to view the coverage areas of the map database or to replace the map database. 1. Press the Map Database Information/Remove Map Dat ...