The contact owns a 2003 Buick LeSabre. The contact stated that after his friend drove the vehicle to his residence, there was a burning oil odor detected. The contact opened the hood and there was smoke coming from the engine. The vehicle was diagnosed by an independent mechanic as a valve cover gasket leak. The vehicle was not repaired. The contact was concerned that the failure could lead to an engine compartment fire. The manufacturer was made aware of the failure but informed the contact that the VIN was not included in a recall. The failure mileage was 136,776.