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:

    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. ...

    Leaving Your Vehicle With theEngine Running
    CAUTION: It can be dangerous to leave your vehicle with the engine running. Your vehicle could move suddenly if the shift lever is not fully in PARK (P) with the parking brake firmly set. And, ...

    Anti-Lock Brake SystemWarning Light
    With the Anti-Lock Brake System (ABS), this light will come on when you start your engine and may stay on for several seconds, that is normal. A chime may also sound when the light comes on ...