MY BOYFRIEND AND I WERE ON OUR WAY HOME FROM CHICAGO (ON I-80/90) WHEN WE HIT A BIT OF LAKE EFFECT SNOW AND ICE. THE SNOW CAUSED OUR CAR TO LOSE TRACTION WHICH IN TURN CAUSED US TO HIT A GUARD RAIL HEAD ON WHILE GOING ROUGHLY 50-55 MPH. OUR AIRBAGS DID NOT GO OFF EVEN THOUGH WE HIT THE GUARD RAIL HEAD ON. WE ENDED UP BEING PERPENDICULAR IN THE RIGHT HAND LANE AND WAS HIT BY A SEMI TRUCK ON THE PASSENGER SIDE DOOR. AGAIN, OUR AIR BAGS DID NOT GO OFF WHICH WOULD MAKE FOR A TOTAL OF 4 AIRBAGS THAT WERE AFFECTED. I WAS UNAWARE OF AFFECTED AIR BAGS - I ONLY KNEW ABOUT MY IGNITION SWITCH WHICH WAS FIXED MONTHS PRIOR TO THE ACCIDENT. UNACCEPTABLE. *TR