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:

    Airbag On-Off Switch
    If one of the switches pictured in the following illustrations is located in the glove box, the vehicle has an airbag on-off switch that you can use to manually turn on or off the right front passenge ...

    Efficient powertrain
    The Acadia is powered by GM's 3.6L V-6 with variable valve timing (VVT), which is designed for good fuel economy, low emissions and exceptional smoothness. Paired to this engine is a new fuel-savi ...

    Pairing a Phone
    1. Press and hold for two seconds. 2. Say “Bluetooth.” This command can be skipped. 3. Say “Pair.” The system responds with instructions and a four-digit Personal Identification Number (PIN ...