Tl* the contact owns a 2012 hyundai genesis coupe. on several occasions, while driving, the contact applied pressure to the brake pedal and heard an abnormal noise coming from the brake pedal. while the brake pedal was depressed, the vehicle failed to stop and accelerated without warning. there were no warning indicators illuminated. the vehicle was taken to geweke ford (871 e onstott rd, yuba city, ca 95991 (530) 821-2121), but no diagnostic failure codes were found and the failure could not be replicated. the vehicle was not repaired. the contact referenced nhtsa campaign number: 13v489000 (service brakes, hydraulic). the manufacturer was not notified of the failure. the approximate failure mileage was 30,000.