The contact owns a 2007 Buick Lacrosse. The contact stated that while driving at an undisclosed speed, there was an abnormal odor coming from the vents and the headlights were inoperative. The contact stated that there was smoke coming from the engine compartment. The contact exited the vehicle and discovered that the fuse box was on fire and had melted. The contact used a headwrap to extinguish the fire. No warning lights were illuminated. A fire department report was not filed. The contact was informed that the VIN was included in NHTSA Campaign Number: 15V519000 (Exterior Lighting). The vehicle was towed to a dealer, where it was diagnosed and determined that the fuse box, module, and the circuit board needed to be replaced. The contact stated that the electrical failure had melted and damaged the fuse box and the circuit board. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 331,000.