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:

    Ejecting a CD (Single CD Player)
    EJECT: Press and release to eject the disc. Remove the CD when Remove Disc displays. If the disc is not removed, after several seconds the disc is automatically pulled back into the player. ...

    Compass Messages
    CAL This message is displayed when the compass needs to be calibrated. See Compass on page 5‑5. – – – Three dashes will be displayed if the compass needs service. See your dealer fo ...

    AM
    The range for most AM stations is greater than for FM, especially at night. The longer range can cause station frequencies to interfere with each other. For better radio reception, most AM radio stati ...