WHILE SWITCHING LANES FROM LEFT TO RIGHT AT A STOPLIGHT ABOUT 10 FEET BEHIND THE CAR IN FRONT, AS I TOOK MY FOOT OFF THE BRAKE THE CAR SUDDENLY, UNEXPECTEDLY ACCELERATED AND MY FRONT DRIVER'S SIDE HIT THE REAR PASSENGER SIDE OF THE CAR IN FRONT OF ME. WE HAVE EXPERIENCED THIS UNANTICIPATED ACCELERATION AT LEAST 6-7 TIMES IN DIVERSE CIRCUMSTANCES.