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:

    Rear Compartment Fuse Block
    The rear compartment fuse block is located in the cargo area, on the driver side of the vehicle behind the lower trim panel. To open, turn the latch with a flat bladed tool and pull the trim pan ...

    Battery Load Management
    The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. ...

    Towing with a Stability Control System
    When towing, the sound of the stability control system might be heard. The system is reacting to the vehicle movement caused by the trailer, which mainly occurs during cornering. This is normal when ...