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:

    Headlamp Washer
    For vehicles with headlamp washers, they are located to the side of the headlamps. The headlamps must be on in order to use the headlamp washers. If the headlamps are not on, only the windshiel ...

    Radio Message
    Locked: Displays when the TheftLock® system has locked up the infotainment system. Take the vehicle to your dealer for service. If any error occurs repeatedly or if an error cannot be correct ...

    Electrical System Overload
    The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the ci ...