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:

    REPLACE BATTERY IN REMOTE KEY
    This message displays when the battery in the Remote Keyless Entry (RKE) or keyless access transmitter needs to be replaced. To replace the battery, see “Battery Replacement” under Remote K ...

    Exit Lighting
    The interior lamps come on when the key is removed from the ignition. They turn off automatically in 20 seconds. The lights do not come on if the dome override button is pressed in. ...

    Viscosity Grade
    SAE 5W–30 is the best viscosity grade for the vehicle. Do not use other viscosity grade oils such as SAE 10W–30, 10W–40, or 20W–50. If in an area of extreme cold, where the temperature falls ...