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.

    See also:

    Selecting an XM Channel
    XM channels can be selected by using SEEK, SEEK, the TUNE knob, or the menu system. Selecting a Channel Using SEEK or SEEK (Radio with CD) - Press and release SEEK or SEEK to go to the previou ...

    DIC Compass
    The vehicle may have a compass in the Driver Information Center (DIC). See Compass for information. ...

    Trailer Sway Control (TSC)
    The vehicle has a Trailer Sway Control (TSC) feature as part of the StabiliTrak system. If TSC detects that the trailer is swaying, the vehicle's brakes are automatically applied. When TSC ...