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:

    Front Storage
    A storage area is located in front of the shift lever. Push upward on the top of the door and release; the door automatically opens. There is an accessory power outlet inside. See Power Outlet ...

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

    Sedan and Coupe Model
    (Washer Fluid): Press the button with this symbol, on the end of the windshield washer lever to wash the windshield. The washer fluid sprays onto the windshield and the wipers run for a few ...