Car Accelerates On Its Own problems of the 2009 Lexus IS250

The contact owns a 2009 Lexus Is250. The contact stated that while she was driving out of a parking space the vehicle suddenly accelerated. The contact mentioned that she engaged the brakes but the vehicle did not stop. The vehicle finally stopped when it crashed into a steel pole. None of the air bags deployed. The contact experienced discomfort on the neck and back. The vehicle was towed to a dealer who stated that they were unable to diagnose or duplicate the failure. The manufacturer was contacted and replied by mail stating that it was ok to drive the vehicle. The failure and current mileage was 25,000.