I WAS SLOWLY ( < 5MPH) APPROACHING A STOPLIGHT AT A BUSY INTERSECTION IN A 25 MPH ZONE ON A 4 LANE STREET THERE WERE 2 VEHICLES AHEAD OF ME. EVERYTHING SEEMED FINE UNTIL MY VEHICLE SUDDENLY ACCELERATED RAPIDLY AND I WAS UNABLE TO STOP IT. THE PATH OF LEAST RESISTANCE WAS TO DRIVE IT INTO THE CAR IN FRONT OF ME AND NOT TO SWERVE. ONCE I HAD STOPPED AND CAUGHT MY BREATH, I PUT THE CAR INTO REVERSE TO BACK AWAY FROM THE CAR I HAD HIT, AND ONCE AGAIN THE CAR RAPIDLY ACCELERATED BACKWARD INTO THE CAR BEHIND ME. UNTIL THIS TIME I HAVE HAD ABSOLUTELY NO PROBLEMS WITH THE VEHICLE. IT ONLY HAS BEEN DRIVEN 14,500 MILES.