I WAS INVOLVED IN A 4 CAR PILE UP ON THE HIGHWAY. MY AIRBAG DID NOT GO OFF ON IMPACT AND WAS ABOUT 30-40 SEC. DELAYED. AIRBAG DEPLOYED WHEN I WAS UNBUCKLING MY SEATBELT AND GETTING OUT OF THE CAR. MOST OF MY INJURIES WERE CAUSED BY THE AIRBAG. CAR WAS TOTALED I'M MAKING THIS REPORT IN CASE SOMEONE PURCHASES CAR AT AUCTION AND ONLY REPLACES DRIVER AIRBAG HOPEFULLY THEY WILL CHECK CURTAIN AIRBAGS FOR DEFECTS AS WELL SO SOMEONE ELSE DOESN'T GET HURT.