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:

    Interior rearview mirror, automatic dimming feature
    The concept Interior rearview mirror, automatic dimming feature Photocells are used for control: ▷ In the mirror glass. ▷ On the back of the mirror. Functional requirement For pr ...

    Notes on regularly inspecting wheels and tires
    WARNING Regularly check the tires for damage. Damaged tires can cause tire inflation pressure loss. As a result, you could lose control of your vehicle. Worn, old tires can cause accidents. ...

    Vehicles with manual transmission
    •► Shift to either first gear or reverse gear R.•► Turn the SmartKey to position 0 in the ignition lock and remove it. The immobilizer is activated.•► Apply the parking b ...