MY SON WAS DRIVING IN HEAVY RAIN WHEN THE VEHICLE HYDROPLANED IN WHICH THE VEHICLE CRASHED AND HIT THE GUARD RAIL. DURING THE INVESTIGATION THE IT WAS ASKED IF THE THE AIR BAGS DEPLOYED. THE AIR BAGS DID NOT DEPLOY DURING THE ACCIDENT. THIS WAS A VERY SERIOUS FRONTAL IMPACT WITH MINOR INJURIES. *TT *TR