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.

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    Under the Hood
    A 291-hp, 4.2-liter inline-six-cylinder is standard, and a 300-hp, 5.3-liter V-8 is optional. A four-speed automatic is the sole transmission. ...

    Remote Vehicle Start
    With this feature the engine can be started from outside of the vehicle. ...

    RKE without Remote Start Shown
    (Unlock): Press to unlock the driver door or all doors. See “Auto Door Unlock” under Vehicle Personalization . The turn signal indicators may flash and/or the horn may sound to indicate unlo ...