The contact owns a 2013 Hyundai Tucson. The contact stated that the vehicle engine failed. When driving with the cruise control set at 70 mph, the engine emitted a loud knocking sound and the vehicle decelerated. The vehicle powered off and the vehicle rolled onto the road shoulder. The contact was able to open the hood and smoke emitted from under the hood and emitted an engine oil burnt odor. The vehicle was not towed to a dealer or mechanic to have a diagnostic performed. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was 65,000.