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:

    Tire Sealant and Compressor Kit
    WARNING Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine exhaust may enter the vehicle. Engine exhaust contains carbon monoxide (CO) which cannot be seen or sm ...

    Storing an XM Channel as a Favorite
    Channels from all bands can be stored in any order in the favorite pages. Up to six channels can be stored in each favorite page and the number of available favorite pages can be set. Storing a ...

    Vehicles With a Navigation System
    An image appears on the navigation screen with the message “Check Surroundings for Safety” when the vehicle is shifted into R (Reverse). The navigation screen goes to the previous screen after app ...