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:

    Avoiding collision and rollover
    WARNING: Failure to operate this vehicle in a safe and prudent manner may result in loss of control or an accident. Be alert and drive defensively at all times. Obey all traffic regulations. Avoid ...

    Air cleaner element
    WARNING Do not operate the engine with the air cleaner element removed. The air cleaner element not only filters intake air but also stops flames if the engine backfires. If the air cleaner eleme ...

    Display on the Control Display
    Switching on the backup camera via iDrive With Top View switched on: "Rear view camera" The backup camera image is displayed. The setting is stored for the remote control currently ...