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:

    Brake Adjustment
    Every time the brakes are applied, with or without the vehicle moving, the brakes adjust for wear. ...

    New Vehicle Break-In
    Follow these recommended guidelines during the first 2 414 km(1,500 miles) of driving this vehicle. Parts have a break-in period and performance will be better in the long run. For the firs ...

    Seat Adjustment
    WARNING You can lose control of the vehicle if you try to adjust a driver seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal when you do ...