Mechanical Jack problems of the 2011 GMC Terrain

The contact owns a 2011 GMC Terrain. The contact stated that the driver was attempting to change a flat tire when the weight of the vehicle crushed the jack that was holding the vehicle up. The contact expressed concern because the jack that came with the vehicle was not adequate for the vehicle's weight. The vehicle was not taken to have the failure diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 14,000. The VIN was unavailable.