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:

    Ride Control System Messages
    SERVICE STABILITRAK If your vehicle has StabiliTrak and this message displays, it means there may be a problem with the StabiliTrak system. If you see this message, try to reset the system. Stop; ...

    Skip Shift (CTS–V)
    Under light acceleration, the transmission will only allow you to shift from 1 (First) to 4 (Fourth). Shifts from 1 (First) to 2 (Second) or 3 (Third) are not allowed. This helps improve fuel ...

    Memory Seats
    On vehicles with the memory feature, memory buttons 1 and 2 on the driver door are used to save and recall memory settings for the driver seat cushion and seatback, outside mirrors, and th ...