The contact's son owned a 2016 Nissan Sentra. The contact stated that while her son was driving at an unknown speed, the brake pedal was depressed and failed to operate causing the vehicle to crash into another vehicle. A police report was filed. The contact mentioned that her son sustained bruised chest and the driver from the other vehicle sustained rib inquiries that needed medical attention. The vehicle was destroyed. The vehicle was towed to the tow lot. The dealer was not contacted. The contact contacted an independent mechanic and informed them that the vehicle was included in NHTSA campaign number: 21v135000 ( exterior lights). The manufacturer was notified of the failure and provided a reference number. The approximate failure mileage was 100,000.