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:

    Servicing the Airbag-Equipped Vehicle
    Airbags affect how the vehicle should be serviced. There are parts of the airbag system in several places around the vehicle. Your dealer and the service manual have information about servicing th ...

    Windows
    WARNING! Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death ...

    Comfort and Convenience
    Select the Comfort and Convenience menu and the following will be displayed: - Easy Exit Driver Seat - Chime Volume - Reverse Tilt Mirror - Auto Wipe in Reverse Gear ...