TL*THE CONTACT OWNS A 2005 BMW X3. THE CONTACT WAS DRIVING APPROXIMATELY 25 MPH ON NORMAL ROAD CONDITIONS. THE DRIVER SIDE HEATED SEAT WAS ACTIVATED. SUDDENLY, AN UNEXPECTED EXCESSIVE HIGH VOLTAGE OF HEAT PENETRATED THROUGH THE BOTTOM OF THE SEAT. THE DRIVER PULLED OVER TO THE SIDE OF THE ROAD AND DEACTIVATED THE HEATED SEAT SYSTEM. THE DRIVER SUSTAINED A MINOR BURN TO THE LEFT LEG AND THE DRIVER SEAT COVER EXHIBITED A BURN MARK. THE VEHICLE WAS ABLE TO RESUME NORMAL OPERATION. THE DEALER WAS NOTIFIED OF THE MALFUNCTION. THERE WAS CONCERN OF THE SAFETY RISK INVOLVED. THE FAILURE MILEAGE WAS 31,000.