KEY CAN BE REMOVED FROM IGNITION WITHOUT COMPLETELY SHUTTING OFF IGNITION. CONSUMER WAS TOLD LOCK CYLINDER WAS A WEARABLE PART. A SMALL CHILD WAS ABLE TO MOVE SHIFT MECHANISM OUT OF PARK, ALLOWING VEHICLE TO ROLL. ANOTHER CHILD WAS STUCK IN THE PROCESS. OWNER WAS AWARE OF OTHER VAN WITH SAME PROBLEM. *AK