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:

    Warranty
    OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...

    Engine Compartment Overview
    A. Radiator Pressure Cap. See Cooling System on page 10‑14. B. Engine Coolant Recovery Cap. See Cooling System on page 10‑14. C. Remote Negative (−) Terminal. See Jump Starting o ...

    Vehicle Messages
    Messages displayed on the DIC indicate the status of the vehicle or some action may be needed to correct a condition. Multiple messages may appear one after another. The messages that do not require ...