TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT WAS DRIVING APPROXIMATELY 20 MPH WITH THE BRAKE ENGAGED WHEN THE VEHICLE ACCELERATED. THE CONTACT CRASHED INTO THE REAR END OF A NISSAN. THE WEATHER WAS NOT A FACTOR. THE CONTACT OBSERVED SMOKE COMING FROM THE VEHICLE. THE REAR SUSPENSION WAS DAMAGED AFTER THE CRASH OCCURRED. THE INSURANCE COMPANY AUTHORIZED THE VEHICLE TO BE TOWED TO AN IMPOUND LOT. THE VIN WAS NOT AVAILABLE. THE APPROXIMATE FAILURE AND CURRENT MILEAGES WERE 36,000.