TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. AFTER THE VEHICLE RECEIVED AN OIL CHANGE, OIL WAS SEEN LEAKING FROM THE ENGINE. IN ADDITION, THE VEHICLE OVERHEATED, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED, AND SMOKE EMERGED FROM THE HOOD. THE CONTACT STATED THAT, AFTER REPLACING THE RADIATOR, THERE WAS A COOLANT LEAK. THE CONTACT ALSO STATED THAT THE KEY FOB FAILED TO WORK. FURTHERMORE, THE TIRES WERE REPLACED AND ROTATED, BUT THE TIRE PRESSURE WARNING INDICATOR REMAINED ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE OIL LEAK WAS DUE TO A FAULTY CATALYTIC CONVERTER. THE VEHICLE WAS NOT REPAIRED. A DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS INFORMED AND DID NOT ASSIST. THE FAILURE MILEAGE WAS 174,034.