VEHICLE EXPERIENCED TWO SEPARATE UNOCCUPIED MOVEMENTS, AND INVOLVED IN A CRASH. FIRST OCCURRED WHILE RUNNING IN NEUTRAL WITH PARKING BRAKE ON, AND SECOND OCCURRED WHILE PARKED IN GEAR WITH PARKING BRAKE ENGAGED. VEHICLE BEEN IN DEALER'S SHOP, AND DEALER INFORMED CONSUMER THAT PROBLEM COULD NOT BE DUPLICATED. PLEASE FEEL FREE TO PROVIDE ANY FURTHER DETAILS ON THIS MATTER. *AK