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:

    OnStar® System
    OnStar® uses several innovative technologies and live advisors to provide you with a wide range of safety, security, information, and convenience services. If your airbags deploy, the system is ...

    How to Reset the Engine Oil Life System
    Reset the system whenever the engine oil is changed so that the system can calculate the next engine oil change. To reset the system: 1. Turn the ignition to ON/RUN with the engine off. 2. ...

    Tire Sealant and Compressor Kit Storage
    The tire sealant and compressor kit is located in the trunk. 1. Open the trunk. See Trunk 2. Lift the cover. 3. Turn the retainer clockwise and remove the tire sealant and compressor kit. To ...