I WAS TRAVELING ON THE INTERSTATE APPROXIMATELY 72 TO 74 MILES PER HOUR WHEN THE STEERING WHEEL LOCKED UP AND I IMMEDIATELY LOST CONTROL OF THE VEHICLE. MY FIRST REACTION WAS TO PRESS THE BRAKES. I THEN WAS THROWN INTO THE MEDIAN AND HIT THE GUARDRAIL AND ALL OF THE DRIVER SIDE AIRBAGS DEPLOYED. I HAD TO SEEK MEDICAL ATTENTION. *DSY