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:

    Remote Start Auto Seat Cool
    When on, this feature will turn the vented seats on when using remote start on warm days. Press the MENU/SELECT knob when Remote Start Auto Seat Cool is highlighted. Turn the knob to select On or ...

    Lamps On Reminder
    This light comes on whenever the parking lamps are on. See Exterior Lamp Controls   for more information. ...

    Up-Shift Light
    The vehicle may have an up-shift light. It indicates when to shift to the next higher gear for best fuel economy. See Manual Transmission for more information. For the CTS-V, the tracer ligh ...