WHILE DRIVING DOWN THE STATE HIGHWAY SCRT 31 AT THE POSTED SPEED LIMIT, THE DRIVER SIDE CURTAIN AIR BAG DEPLOYED. THERE WAS NO COLLISION OR ANY OTHER FACTOR THAT WOULD HAVE CAUSED THIS DEPOLOYMENT. THE DEPLOYMENT OF THE BAG CAUSED RINGING IN THE DRIVER'S EAR AND POTENTIAL EAR DRUM DAMAGE. DOCTOR'S EXAM IS SCHEDULED. UPDATED 05/16/17*LJ UPDATED 08/09/2017*JS