HYUNDAI ACCENT. CONSUMER WRITES IN REGARDS TO RENTAL VEHICLE SUDDEN ACCELERATION. *SMD THE CONSUMER STATED AS HE BACKED OUT OF A PARKING SPACE, HE NOTICED THE VEHICLE TURNED SLIGHTLY, NOT BACKING OUT DIRECTLY. WHILE IN REVERSE, BECAUSE THE VEHICLE WASN'T GOING EXACTLY STRAIGHT AS HE BEGAN TO BACK OUT, HE STOPPED IN ORDER TO KEEP THE VEHICLES RIGHT FRONT SIDE/FENDER FROM CONTACTING THE LEFT SIDE OF THE VEHICLE ON HIS RIGHT AND DROVE FORWARD A LITTLE TO STRAIGHTEN OUT. AFTER CORRECTING THE BACKWARD DIRECTION AND STOPPING, HE BEGAN TO REVERSE, RESUMING A SLIGHT TURN MOVEMENT, THEN ALL OF A SUDDEN, WHILE DOING SO, THE VEHICLE SUDDENLY RACED BACKWARD UNCONTROLLABLY, SEEMINGLY INCREASING IN SPEED IN A WIDE CURVING MANNER. WITH NO TIME TO STRAIGHTEN OUT, HE SHIFTED THE GEAR INTO PARK, BUT TO NO AVAIL. THE VEHICLE CRASHED INTO ANOTHER CAR, WHICH WAS PARKED IN A NEARBY STALL STOPPED.