TL* THE CONTACT OWNS A 2009 AUDI A4. WHILE THE VEHICLE WAS PARKED, THE CONTACT FOUND OIL SPILLS UNDER THE VEHICLE. WHILE DRIVING AT VARIOUS SPEEDS, THE ENGINE WARNING LIGHT ILLUMINATED. IN ADDITION, THE CONTACT MENTIONED THERE WAS A BURNING ODOR OF OIL COMING FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE REAR MAIN SEAL OF THE ENGINE'S CRANKSHAFT NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 51,000. THE VIN WAS NOT AVAILABLE.