TL*-THE CONTACT OWNS A 1996 LEXUS ES300. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 15 MPH, A LOUD NOISE WAS COMING FROM THE ENGINE. THE VEHICLE INCREASED ACCELERATION UNEXPECTEDLY. THE IGNITION WAS TURNED OFF. THE VEHICLE CONTINUED AND CRASHED INTO THE SIDE OF A BUILDING. THERE WAS NO INJURY. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER FOR DIAGNOSTIC TESTING. THE INSURANCE COMPANY STATED THE FAILURE WAS RELATED TO AN ACCELERATION ISSUE. THE FAILURE MILEAGE WAS UNAVAILABLE. THE CURRENT MILEAGE WAS 100,000.