Buick LaCrosse: Cellular and GPS Antennas - OnStar Additional Information - OnStar - Buick LaCrosse Owners ManualBuick LaCrosse: 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.

    Global Positioning System (GPS)
    • Obstruction of the GPS can occur in a large city with tall buildings; in parking garages; around airports; in tunnels, underpasses, or parking garages; or in an area with very dense tr ...

    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 to try the call again or try again after driving a few miles into ...

    See also:

    Heat image
    The image shows the heat radiated by objects in the field of view of the camera. Warm objects have a light appearance and cold objects, a dark appearance. The ability to detect an object depen ...

    Driver Information Center (DIC)
    The Driver Information Center (DIC) displays information about the vehicle. It also displays warning messages if a system problem is detected. See Vehicle Messages  for more information. All mes ...

    Automatic transaxle fluid
    Checking the automatic transaxle fluid level The automatic transaxle fluid level should be checked regularly. Keep the vehicle on the level ground with the parking brake applied and check the fl ...