AIR BAGS DEPLOYED WHILE DRIVING AT 55MPH. VEHICLE WAS NOT INVOLVED IN A COLLISION. AFTER VEHICLE WAS INSPECTED IT WAS DETERMINED THAT FLEX DISC CAUSED DRIVESHAFT TO COME LOOSE,ACTIVATING THE AIR BAG SENSOR. MANUFACTURER WAS NOTIFIED.*AK THE DRIVETRAIN HAD SNAPPED AND THE SENSOR TO THE AIR BAG IS LOCATED THERE, CAUSING THE AIRBAG TO DEPLOY. *SLC