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:

    Passenger Airbag Status Indicator
    The vehicle has a passenger sensing system. See Passenger Sensing System on page 3‑31 for important safety information. The instrument panel has a passenger airbag status indicator. United S ...

    Engine Hours
    To display the ENGINE HOURS, place the ignition in LOCK/OFF or ACC/ACCESSORY, then press and hold the trip odometer reset stem for four seconds while viewing the ODOMETER. This display shows the total ...

    Interior
    The cabin bears far more resemblance to the Equinox than does the exterior, with an upward-tilted panel housing the air-conditioning and stereo controls. The dashboard features angular styling and ...