TL*THE CONTACT OWNS A 2004 CHEVROLET CLASSIC. THE CONTACT STATED THAT THE DEFOGGER HAS STOPPED WORKING. WHEN TRYING TO CLEAR THE INTERIOR WINDSHIELD GLASS, THE EXTERIOR WINDSHIELD FOGS UP VERY QUICKLY. THE FAILURE OCCURS DURING DIFFERENT TYPES OF DRIVING CONDITIONS. WHILE DRIVING 25 MPH, THE FRONT WINDSHIELD FOGGED UP ALMOST IMMEDIATELY AND THE CONTACT'S VISIBILITY BECAME IMPAIRED. THE VEHICLE JUMPED OVER A MEDIAN AND CRASHED INTO A POLE. A POLICE REPORT WAS FILED. THE CURRENT MILEAGE IS 50,000 AND FAILURE MILEAGE WAS 49,000.