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:

    How to preset stations
    1. Press the “FM” or “AM” button to select FM1, FM2, FM3 or AM reception. 2. Press the “” or “” side of the “SEEK” button or tune the radio manually until the desired station f ...

    Finish Care
    Application of aftermarket clearcoat sealant/wax materials is not recommended. If painted surfaces are damaged, see your dealer to have the damage assessed and repaired. Foreign materials su ...

    How to read the displayed lines
    Guiding lines which indicate the vehicle width and distances to objects with reference to the vehicle body line (A) are displayed on the monitor. Distance guide lines: Indicate distances from th ...