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.

    See also:

    Finding a Program Type (PTY) Station(RDS and XM™)
    To select and find a desired PTY perform the following: 1. Press the TYPE button to activate program type select mode. TYPE and a PTY displays. 2. Turn the TYPE knob or press and release the TY ...

    Power Door Locks
    (Unlock): Press to unlock the doors. (Lock): Press to lock the doors. See “Power Door Locks” in Vehicle Personalization . ...

    ENGINE OVERHEATED — IDLE ENGINE
    This message displays when the engine coolant temperature is too hot. Stop and allow the vehicle to idle until it cools down. ...