I READ AN ARTICLE IN USA TODAY THAT THE NHTSAIS INVESTIGATING VEHICLE TRANSMISSIONS THAT USE A ROTARY CONTROL. ABOUT A YEAR AGO, I PULLED INTO THE DRIVEWAY, SHIFTED INTO PARK AND EXITED THE VEHICLE. AS I WAS WALKING DOWN THE DRIVEWAY I TURNED AROUND AND SAW MY CAR BACKING UP INTO THE STREET AND ACROSS THE ROAD WHERE IT STRUCK A BLOCK WALL. I WAS SURE THAT I MUST HAVE NOT FULLY TURNED THE KNOB TO THE PARK POSITION BUT NOW, HAVING READ THIS ARTICLE I AM WONDERING IF IN FACT THERE IS A DEFECT. I HAD NOT ENGAGED THE PARKING BRAKE AND THE VEHICLE WAS STILL RUNNING WHEN THE INCIDENT OCCURRED. *TR