I WAS DRIVING, HIT ICE, FISH TAILED, STARTED TO SPIN, WENT HEAD FIRST INTO THE MEDIAN, PROBABLY GOING 30-45 MPH. AFTER THAT WE CAME TO A STOP, AND WERE HIT BY A SEMI TRAILER TRAVELING AT APPROXIMATELY 45-60 MPH. NEITHER IMPACT SET THE AIR BAGS OFF AND WE BELIEVE THAT IT SHOULD HAVE. *TR