Unable to Connect to OnStar Message

GMC Sierra / GMC Sierra Owners Manuals / OnStar / OnStar Additional Information / 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 Vehicle and Power Issues to try the call again or try again after driving a few miles into another cellular area.

    See also:

    Bluetooth (Infotainment Controls)
    For vehicles equipped with the MyLink or IntelliLink infotainment system, see the separate MyLink/ IntelliLink Features and Functions Guide for more information. For information about how to naviga ...

    Rear Vision Camera (RVC)
    The vehicle may have a rear vision camera system. Read this entire section before using it. WARNING The RVC system does not display pedestrians, bicyclists, animals, or any other object located outs ...

    Emissions Inspection and Maintenance Programs
    Some local governments may have programs to inspect the on-vehicle emission control equipment. For the inspection, the emission system test equipment is connected to the vehicle’s Data Link Connecto ...