TL*THE CONTACT OWNS A 2000 JEEP GRAND CHEROKEE. THE HEAT/DEFROST FUNCTION FAILED IN THE VEHICLE. DURING THE WINTER, THE CONTACT MUST REMAIN COLD IN THE VEHICLE AND THE WINDOWS BECOME FOGGY INSTEAD OF DEFROSTING. THE VEHICLE HAS BEEN TO THE DEALER TWICE AND THEY STATED THAT THERE WAS POSSIBLY A CONDENSER LEAK IN THE HEATER, WHICH CAUSED THE CONTROL LEVER FOR THE HEATING UNIT TO DETERIORATE. THE CONTACT STATED THAT THE REPAIR WAS TOO EXPENSIVE. HE HAS FOUND SEVERAL COMPLAINTS REGARDING THIS FAILURE WITH THE SAME MODEL; THEREFORE, HE BELIEVES THAT THE MANUFACTURER SHOULD ISSUE A RECALL. A RELAY SHORTED OUT DUE TO A FAILURE WITH THE HEATING MECHANISM AND THE ENTIRE VEHICLE FILLED WITH SMOKE. THERE WERE NO INJURIES. THE VEHICLE HAS NOT YET BEEN REPAIRED. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 60,000 AND CURRENT MILEAGE WAS 90,000.