TL* THE CONTACT RENTED A 2010 TOYOTA COROLLA. THE CONTACT WAS DRIVING APPROXIMATELY 5 MPH IN REVERSE DOWN HIS DRIVEWAY WHEN THE VEHICLE SUDDENLY ACCELERATED INTO A BUILDING. THE CONTACT SUFFERED A CONCUSSION AND A STIFF NECK BUT DID NOT GO TO THE HOSPITAL. A POLICE REPORT WAS FILED.THE VEHICLE WAS RETURNED TO THE RENTAL AGENCY. THE CONTACT ASSUMED THAT THE RENTAL AGENCY TOOK THE VEHICLE TO THE DEALER FOR A DIAGNOSTICS TEST AND REPAIRS. THE CURRENT AND FAILURE MILEAGES WERE 3,958.*SMC