TL* THE CONTACT OWNS A 1999 BUICK REGAL. THE CONTACT STATED THAT ENGINE OIL LEAKED ONTO THE MANIFOLD CAUSING SMOKE AND STRONG BURNING ODORS IN THE VEHICLE AS THE INSTRUMENT PANEL ILLUMINATED. THE FAILURE WAS PERSISTENT. THE VEHICLE WAS TAKEN TO A DEALER BUT THE FAILURE WAS UNABLE TO BE DETERMINED. THE VEHICLE WAS REPAIRED UNDER NHTSA CAMPAIGN NUMBER: 09V116000 (ENGINE AND ENGINE COOLING) BUT THE FAILURE RECURRED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING). THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.