The contact owned a 2015 Hyundai Genesis. The contact stated while attempting to stop at a stop sign, the vehicle independently accelerated while the brake pedal was depressed. As a result, the vehicle rear-ended another vehicle. The contact stated that all of the electrical features in the vehicle failed. The air bags did deploy. A police report was filed. The contact sustained chest burns from the air bag and a sore back and neck from the crash. The vehicle was not drivable and was towed to an impound lot. The vehicle was not diagnosed or repaired. A dealer was not contacted. The contact related the failure to NHTSA campaign number: 21V160000 (Service brakes, hydraulic). The manufacturer had been informed of the failure and informed the contact that they would expedite the claim. The failure mileage was 61,000.