A)I stopped at the mailbox. I stopped at the top. Placed my car in park. Turned my car off. The car started rolling backwards. The car was in park and turned off. B)I do not know what failed or what happened. Yes, the my vehicle is available for inspection. I incurred road rash and injuries related to this incident. Iâm in pain. C)This situation could have gone terribly wrong there were cars around and I live in a residential community so kids could have been out playing and could have gotten hurt. D)It is going today. E)It is going today. No there was no warning signs or anything that alerted me that my vehicle was in the state of distress. It just rolled back.