I WAS INVOLVED IN AN ACCIDENT THAT INCLUDED A ROLE OVER AND THE AIR BAGS DID NOT DEPLOY. GM SENT OUT ENGINEERS TO INVESTIGATE BUT SAID NOTHING WAS WRONG EVEN THOUGH THE AIR BAG MALFUNCTION LIGHT CAME ON DURING AND AFTER THE ACCIDENT. MY ROOF, WINDSHIELD WAS CAVED IN AND MY FRONT END TOOK HEAVY DAMAGE. ALL FOUR TIRES WERE BLOWN AND THEY SAID NOTHING WAS WRONG WITH THE AIR BAG SYSTEM. ONSTAR REPORTED THE AIR BAG ISSUE TO ME THROUGH EMAIL AS WELL.