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:

    Interior Lighting
    Dome Lamps The interior lamps control located in the overhead console controls both the front and rear interior lamps. : Turns the lamps off. : Turns the lamps on when any door is opened. : Keeps ...

    Engine Oil
    To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment: ► Always use eng ...

    XM Radio Messages
    XL (Explicit Language Channels): These channels, or any others, can be blocked at a customer’s request, by calling 1-800-852-XMXM (9696). XM Updating: The encryption code in the receiver is b ...