The contact owns a 2015 Kia Forte. The contact stated that while driving at various speeds, an abnormal burning smell would emit throughout the vehicle without warning. The contact also stated that due to this failure, the brake lights would intermittently fail to operate as needed upon depression. The contact took the vehicle to an independent mechanic where they discovered burnt wires in the electrical box and had the box replaced; despite the replacement, the failure persisted. The manufacturer had yet to be notified of the failure. The vehicle had yet to be repaired. The failure mileage was approximately 144,000.