The right second row passenger seat in a 2022 Jeep Wagoneer appeared to be pushed fully rearward into its normal seating position and produced an audible/tactile click. No warning lamp or message indicated that the seat was not latched. While traveling approximately 40 to 45 mph, the driver had to brake hard. During braking, the entire right second row seat moved rapidly forward and pinned a child and the child restraint against the front passenger seat. The child struck the side of her head, was evaluated in an emergency department, and was diagnosed with a mild concussion. After the vehicle stopped, the seat was pushed rearward only to free the child. It then latched and is currently available for inspection. The seat has not been tested or operated since. The exact cause is UNKNOWN. Possible causes include incomplete latch engagement, a latch or actuator malfunction, or a failure of the seat position warning system. The vehicle has a prior documented warranty repair involving the opposite second row seat. In October 2024, that seat’s motor could be heard operating but the seat would not release. The dealer diagnosed a weak release motor and replaced two folding seat motor actuators under warranty. The current failure has not yet been reproduced or confirmed by a dealer. The vehicle and seat have not yet been inspected by the manufacturer, police, insurer, or an independent repair facility. Photographs, hospital records, and the prior warranty repair record are availabl