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:

    If a Crash Occurs
    If there has been an injury, call emergency services for help. Do not leave the scene of a crash until all matters have been taken care of. Move the vehicle only if its position puts you in danger, ...

    Radio
    Press CONFIG to enter the configure menu options, then press CONFIG again, repeatedly until Radio is selected or press the Radio screen button to make changes for radio information displayed, pres ...

    StabiliTrak® System
    StabiliTrak 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 both traction ...