I WAS TRAVELING IN HEAVY STOP AND GO TRAFFIC TRAVELING AT ABOUT 40MPH WHEN THE VEHICLE IN FRONT OF ME STOPPED, I APPLIED THE BRAKES HARD BUT THE VEHICLE DID NOT STOP AND I TRIED TO SWAY INTO THE SHOULDER BUT HIT THE VEHICLE IN FRONT OF ME. THERE WAS PLENTY OF SPACE TO STOP BUT THE BRAKES FAILED TO STOP THE VEHICLE. NOTE: THE AIR BAGS DID NOT DEPLOY. *JS