The contact owns a 2024 Volkswagen Atlas Cross Sport. The contact stated that after pressing the engine Start/Stop button to start the vehicle in the driveway, she exited the vehicle and sat in the front passenger's seat. After 4-5 minutes, the vehicle inadvertently rolled backward while the transmission was in park (P). No warning light was illuminated. The vehicle rolled over her daughter's left knee before stopping at the end of the driveway. Additionally, the "Error: Drive System. Please Service Vehicle" message was previously displayed while driving, and the parking brake was inoperable. The police arrived on the scene and filed a report. The contact's daughter received medical treatment at the hospital for knee pain and tire scratches on her right knee and feet. The dealer was made aware of the failure and scheduled an upcoming appointment for diagnosis. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 21,350.