The contact owns a 2019 Subaru Outback. The contact stated while she was reaching inside the trunk, the trunk gate independently closed. The contact mentioned that the security sensor did not function which caused the failure. The contact sustained injuries on her right knee, right hip, right shoulder, right glutinous, and right shoulder and was seeking medical attention. The contact called the local dealer and independent mechanic and made them aware of the failure. The vehicle was not diagnosed or repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 30,000.