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 Door Lock Feedback
    This feature allows you to select the type of feedback you will receive when locking the vehicle with the Remote Keyless Entry (RKE) or keyless access transmitter, or when the vehicle is aut ...

    STABILITRAK OFF
    This message displays when you turn off StabiliTrak, or when the stability control system has been automatically disabled. The TCS/StabiliTrak warning light on the instrument panel cluster al ...

    Receiving a Call
    When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle. - Press to answer the call. - Press to ignore a call. ...