STOP AND GO TRAFFIC ON THE FREEWAY, ACCELERATING WHEN THE TRAFFIC STARTED PICKING UP BUT VEHICLES IN FRONT SUDDENLY STOP AND AS I HIT THE BRAKES ON THE BUMPING FREEWAY THE VEHICLE DOES A BRIEF LURCH FORWARD AS ESP LIGHT BLINKS. VEHICLE DOES NOT STOP UNDER THIS BRAKING CONDITION AND FEELS MOMENTARILY LIKE THERE IS NO BRAKE PRESSURE. AS A RESULT, VEHICLE DOESN'T STOP IN TIME AND HITS THE VEHICLE IN FRONT EVEN THOUGH IT COULD'VE BEEN AVOIDED HAD THE BRAKES WORKED AS THEY SHOULD'VE. *TR