TL* THE CONTACT OWNS A 2008 BUICK ENCLAVE. WHEN THE REAR LIFTGATE WAS OPENED, IT CLOSED INDEPENDENTLY AND STRUCK THE CONTACT IN THE BACK. NO MEDICAL ATTENTION WAS REQUIRED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V415000 (STRUCTURE) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN. VIN TOOL CONFIRMS PARTS NOT AVAILABLE. UPDATED 1/15/16 *CN