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:

    Cruise Control Messages
    CRUISE SET TO XXX This message displays when the cruise control is set and shows the speed it was set to. See Cruise Control for more information. ...

    Horn
    Press on the steering wheel pad to sound the horn. ...

    StabiliTrak® System
    The StabliTrak system assists with directional control of the vehicle in difficult driving conditions. The system turns on automatically every time the vehicle is started. • To turn off bot ...