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:

    To Resume Speed
    To resume a previously set speed, push the RES (+) button and release. Resume can be used at any speed above 20 mph (32 km/h). ...

    Introduction
    Your vehicle is equipped with tires according to the vehicle's tire information placard on the B-pillar (the structural member at the side of the vehicle, at the rear of the driver's door ...

    Interior Lights
    Illuminated Entry System When the illuminated entry system operates, the overhead light (switch is in the DOOR position), the courtesy lights and the ground illumination light turn on for: - Abo ...