Automatic Transmission Column Shift problems of the 2003 Toyota Sienna

While in park vehicle shifted out of park into reverse. Consumer managed to turn off the vehicle from the passenger's side. Dealership was notified, but did not resolve the problem. . . . . Vehicle wa sin park and not running. Consumer went to turn off motor from the passenger's side and vehicle went into reverse, as consumer backed out after checking the gear shift to be sure it was srill in park position. The front doorknocked consumer down when he tried to get out of the vehicle. While lying on the ground the front wheel on the right left side of consumer. He sustained several broken ribs, road rash to right leg, burns on arms, side and leg. Was hospitalized and had physical therapy.