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:

    Cleaning the Video Screens
    The video display screens are made of a specially coated glass and can be scratched or damaged by abrasive products, solvents, or ammonia-based window cleaners. Clean with a soft, lint-free, cotto ...

    Muting a Call
    To Mute a Call Turn or press the MENU/SELECT knob and select Mute Call. To Cancel Mute Turn or press the MENU/SELECT knob and select Mute Call. ...

    Transfer Case
    If the vehicle is equipped with All-Wheel Drive, be sure to perform the lubricant checks described in this section. ...