TL*THE CONTACT OWNS A 2006 CHEVROLET COBALT. WHILE DRIVING APPROXIMATELY 50 MPH, THE CONTACT LOST CONTROL OF THE VEHICLE AND STRUCK A GUARDRAIL. THE VEHICLE WAS DESTROYED AND THE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS FILED. GM COULD NOT EXPLAIN WHY THE AIR BAGS FAILED. A COLLISION MECHANIC STATED THAT THE AIR BAGS SHOULD HAVE DEPLOYED. THE VIN, ENGINE SIZE, AND NUMBER OF CYLINDERS WERE UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 50,000.