WHILE DRIVING THE VEHICLE THE DRIVERS SEAT SUDDENLY BEGAN MOVING FORWARD WITH THE SEAT BACK LEANING FORWARD AS WELL. THIS FORCED ME UP AGAINST THE STEERING WHEEL ALMOST CRUSHING ME. I TRIED TO USE THE SEAT CONTROLS TO STOP THE MOVEMENT AND RETURN THE SEAT TO IT'S PROPER POSITION BUT THE SWITCH OVERHEATED AND CAUGHT ON FIRE. THANKFULLY I WAS ABLE TO STOP BUT HAD I BEEN DRIVING AT HIGHWAY SPEEDS THIS COULD HAVE BEEN A DISASTER. *TR