The contact owns a 2020 Nissan Maxima. The contact stated that while her husband was attempting to park and turn off the vehicle, the gear shifter failed to shift into park, the STOP button failed to respond, and the vehicle suddenly accelerated, crashed into a tree in the median strip, knocked down three poles, and the brake pedal was depressed but became unresponsive. The vehicle continued driving and crashed into a sign pole and came to a stop. The contact stated that a tire also exploded during the crash. The contact stated that the air bags failed to deploy. The contact and her husband sustained injuries during the crash. The contact’s husband sustained a fractured left shoulder and had since developed balance issues. The contact sustained balance issues and weakness in the body. Medical attention was provided. The manufacturer was notified of the failure. The failure mileage was 23,000.