2020 Ford Edge forward collision avoidance problems

VEHICLE transmission while in park failed to remain and moved backward on its own. My safety was at risk as a tractor trailer pulled into rest stop and had to brake b4 colliding with the said vehicle, also if anything was behind me it could have been at risk. unknown unknown NO there was NO warning lamps or messages of this problem, however there were indications on the dashboard lights that stated Blind Spot System Fault AND Cross Traffic System Fault at 45478 miles and Prior

The contact owns a 2020 Ford Edge. The contact stated while she was depressing the brake pedal to slow the vehicle down in order to park but the brake pedal traveled the floorboard. The vehicle failed to stop and crashed into a wall where it came to a stop. The contact mentioned that the Forward Collision Avoidance/Emergency Automatic Braking failed to detect that the wall was in front and prevent the collision. The contact sustained minor injuries that did not require medical attention.