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:

    Storing the Tire Sealant and Compressor Kit
    To access the tire sealant and compressor kit: 1. Open the trunk. See Trunk. 2. Lift the cover. With Pressure Relief Button With Pressure Deflation Button 3. Turn the wing nut countercloc ...

    Malfunction Indicator Lamp
    A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors the operation of the vehicle to ensure emissions are at acceptable levels, to produce a cleaner environment. This ...

    Engine Coolant Temperature Gage
    This gage shows the engine coolant temperature. If the gage pointer moves into the red area, the engine coolant has overheated. If you have been operating your vehicle under normal driving c ...