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:

    Owner Checks and Services
    At Each Fuel Stop • Check the engine oil level. See Engine Oil on page 10‑8. Once a Month • Check the tire inflation pressures. See Tire Pressure on page 10‑44. • Inspect the ti ...

    Universal Remote System
    Universal Remote System Vehicles with the Universal Remote System will have these buttons located in the headliner. This system provides a way to replace up to three remote control transmitters us ...

    Ejecting a Disc
    DVD (Eject): Press and release to eject the disc currently playing in the top slot. A beep sounds and Ejecting Disc displays. If loading and reading of a disc cannot be completed, due to unknown for ...