Brake Lights Bulbs problems of the 2011 Hyundai Elantra

The contact owns a 2011 Hyundai Elantra. The contact stated while operating the vehicle, the rear brake lights failed to illuminate while depressing the brake pedal. Upon inspection, it was discovered that all three brake lights were inoperable. The contact replaced the bulbs and the pedal switch however, the failure persisted. In addition, the traction control warning light remain illuminated while operating the vehicle. The cause of the failure was not yet determined. The local dealer and the manufacturer were notified of the failures. The approximate failure mileage was 118,000.