AIR BAG WARNING WOULD COME ON SPORADICALLY. OWNER THEN TOOK VEHICLE TO DEALERSHIP. DEALERSHIP REPLACED A SENSOR. VEHICLE WAS INVOLVED IN A FRONTAL COLLISION IN WHICH NEITHER DUAL AIR BAG DEPLOYED. POLICE THAT CAME ON SITE STATED STATED THAT AIR BAGS SHOULD HAVE DEPLOYED DUE TO LOCATION AND EXTENT OF DAMAGE. PLEASE DESCRIBE DETAILS. *AK