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:

    Steering, Suspension, and Chassis Components
    Visually inspect front and rear suspension and steering system for damaged, loose, or missing parts or signs of wear. Inspect power steering lines and hoses for proper hook-up, binding, leaks, cra ...

    Anti-theft Alarm System Messages
    SERVICE THEFT DETERRENT SYSTEM This message displays when there is a problem with the theft-deterrent system. The vehicle may or may not restart so you may want to take the vehicle to your dealer bef ...

    Manual Operation
    (Power): Press to turn the climate control system on or off. (Fan Control): Turn to increase or decrease the fan speed. Adjusting the fan speed while in automatic mode places the fan under ma ...