Sudden unintended acceleration when parking; vehicle stopped with brake depressed. Vehicle suddenly accelerated and steering wheel jerked back and forth with no driver input resulting in an collision with an unoccupied parked car. No injuries. Insurance adjuster stated that Dealer found no evidence of equipment malfunction. A police report was filed (military police aboard a military base), report is pending as requires FOIA. No warning lamps or messages or other symptoms prior to failure.