DRIVING ON LEVEL ROAD AT 30-35 MPH WHEN AIRBAG WENT OFF WITHOUT WARNING OR REASON KNOCKING ME UNCONSCIOUS. TRUCK WENT OFF ROAD ACROSS FIELD AND HIT TREES AT GREATER SPEED TOTALING THE TRUCK AND GIVING ME HEAD INJURIES. TRUCK HAD RECALL ON IT FOR AIRBAG ON DRIVERS SIDE GOING OFF DUE TO SOME WIRING HARNESS PROBLEM. HAD TAKEN TRUCK INTO DEALERSHIP THE DAY BEFORE ACCIDENT TO HAVE RECALLS TAKEN CARE OFF. I GUESS NOT !!