The car was parked for 4 to 5 hours. The keys were with me and the car was unoccupied. It proceeded to unlock from being parked, the alarm went off, and the vehicle rolled down a hill, hit a person and another parked vehicle. The incident occurred on August 8th, 2026. Case No. 26054085 Clayton County Police Department 770-477-3747. The car is being repaired and has been inspected by Cadillac. They were unable to determine the cause. We have video of the incident. With the car being unoccupied we have no idea what the dashboard said or any warnings. While the car was moving it pinched a man in between the car and another car. EMS was called and he was taken to hospital for observation.