I WAS REAR ENDED WHILE STOPPED FOR A LIGHT AND THE DRIVER'S SEAT-BACK FELL BACKWARDS AS A RESULT OF THE IMPACT. THE SPEED LIMIT IN THE AREA IS 50MPH AND I AM NOT SURE HOW FAST THE OTHER DRIVER WAS GOING. THE CAR HAS BEEN SCRAPPED BY THE OTHER DRIVER'S INSURANCE CARRIER. I HAVE BEEN TOLD THAT THE SEAT -BACKS ARE NOT SUPPOSED TO MOVE ON IMPACT. *KB