ON THREE SEPARATE OCCASIONS WITHIN PRIOR THREE MONTHS OF INCIDENT DATE, WHEN TAPPING ACCELERATOR TO THE FLOOR BRIEFLY (FRACTION OF A SECOND) AND THEN RELEASING, CARS THROTTLE REMAINED COMPLETELY OPEN (MAXIMUM RPMS) EVEN WITH FOOT OFF OF THE ACCELERATOR PEDAL. CARS THROTTLE SYSTEM EQUIPPED WITH "DRIVE BY WIRE" OR A WIRELESS COMPUTER CONTROLLED THROTTLE. ON PRIOR TWO OCCASIONS, VEHICLE'S IGNITION HAD TO BE SHUT OFF BY REMOVING KEYS FROM IGNITION WHILE DRIVING IN THE MIDDLE OF THE STREET. ON THIRD OCCASION, DUE TO TRYING TO AVOID OBSTACLES DRIVER HAD NO TIME TO SHUT CAR OFF. CAR STRUCK ROCKS AND VEERED OFF INTO LAKE. CAR TOTALED. *JB