DRIVING IN IDAHO, THE CAR STARTED TO SLIDE ON SNOW AND SLUSH HITTING A GUARD RAIL HEAD ON, CAUSING THE VEHICLE TO CAREEN FROM THE RIGHT TO THE LEFT SIDE OF THE ROAD. LEAVING THE ROAD CAUSED THE CAR TO FLIP ON THE ROOF, WHERE THE ENGINE CAUGHT FIRE. ONLY THE DRIVER CURTAIN AIRBAG DEPLOYED, RESULTING IN THE DRIVER AND PASSENGER SUSTAINING UNNECESSARY INJURY THAT RESULTED FROM HITTING THE STEERING WHEEL AND FRONT DASHBOARD WHICH LED TO BEING HOSPITALIZED. A CONCUSSION SUSTAINED BY THE DRIVER AS WELL AS KNEE AND BACK INJURIES. THE PASSENGER SUSTAINED INJURIES TO HIS KNEES, HANDS, NECK AND BACK. THE ENGINE HAD CAUGHT FIRE AND HAD A OPEN AND VISIBLE FLAME SECONDS AFTER THE CAR CAME TO REST. DRIVER IMMEDIATELY CRAWLED OUT THE BROKEN WINDOW AND USED SNOW TO EXTINGUISH THE FIRE. BOTH DRIVER AND PASSENGER WHERE WEARING A SEATBELT. THERE ARE PICTURES AND A POLICE REPORT. *TR