UPON ENTERING A PARKING SPACE, WITH BREAK PEDDLE ENGAGED, THE VEHICLE LUNGED FORWARD AT EXTREME SPEED HITTING A PROTECTIVE BARRIER. AFTER A REST PERIOD, THE VEHICLE WAS PUT IN REVERSE AND WITH BREAK PEDDLE ENGAGED LURCHED BACKWARD AT THE SAME EXCESSIVE SPEED HITTING ANOTHER OBJECT. AFTER A LONG PERIOD WITH ENGINE TURNED OFF, THE OPERATOR WAS ABLE TO DRIVE THE CAR SLOWLY. THE VEHICLE IS TO BE EXAMINED TO DETERMINE THE PROBLEM.