I WAS DRIVING A 2008 CHEVY COBALT LT AT ABOUT 30MPH ON A SUNNY AND BEAUTIFUL DAY WHEN FOR NO REASON AT ALL THE DRIVERS SIDE, PASSENGERS FRONT, PASSENGERS SIDE, AND BOTH REAR PASSENGER AIRBAGS DEPLOYED. I BROUGHT THE CAR TO A SECURE STOP. THERE WAS NO WARNING THAT THIS WAS GOING TO HAPPEN. THE AIRBAG INDICATOR LIGHT DID NOT LIGHT UP, NOR DID AN ALARM GO OFF TELLING ME THAT THERE WAS SOMETHING WRONG. GENERAL MOTORS HAS DONE AN INVESTIGATION AND HAS REFUSED TO RELEASE THE REASON THAT THE AIRBAGS DEPLOYED. *TR