I WAS INVOLVED IN A HIGH SPEED ROLL-OVER, THE CAR ROLLED SEVERAL TIMES DOWN A 20 FT. BANK, THE AIRBAG DID NOT DEPLOY EVEN THOUGH THE FRONT END WAS DAMAGED VERY SEVERLY, MY SISTER WAS THE DRIVER AND WAS EJECTED FROM THE CAR, I AM CONFUSED ON WHY MY AIRBAG DID NOT DEPLOY, SHOULD IT HAVE? AND HOW CAN I PERSUE THIS PROBLEM?