Unable to Connect to OnStar Message

If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push call again or try again after driving a to try the call again or try again after driving a few miles into another cellular area.

    See also:

    MAXIMUM # ELECTRONIC KEYS LEARNED
    If the vehicle has the keyless access system, this message displays when the maximum number of transmitters have been learned. See the Keyless Access information for Remote Keyless Entry ( ...

    Brake System Warning Light
    With the ignition on, the brake system warning light comes on when the parking brake is set. If the vehicle is driven with the parking brake engaged, a chime sounds when the vehicle speed is great ...

    Battery Replacement
    To change the remote control batteries: 1. Slide the rear cover back on the remote control. 2. Replace the two batteries in the compartment. Make sure they are installed correctly using the diagra ...