Buick LaCrosse: Unable to Connect to OnStar 
Message - OnStar Additional Information - OnStar - Buick LaCrosse Owners ManualBuick LaCrosse: 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.

    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. ...

    Vehicle and Power Issues
    OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

    See also:

    Compass display
     Compass display Push the button for about 1 second when the ignition switch is placed in the ON position to toggle the outside temperature and compass direction display on or off. The dis ...

    Using Cruise Control
    1. Push the CRUISE button on the steering wheel. The CRUISE MAIN indicator on the instrument panel comes on. The cruise control systemcan be left on, even when it is not in use. 2. Acceler ...

    “Connect Phone”
    NOTE: The Add Phone command is not available when the vehicle is moving. Use the Connect Phone commands to manage the phones connecting to the vehicle or to enable the Bluetooth function on the ...