2013 Toyota Tundra CrewMax Owners Manual - Page 282

3 -2 . U sing t he a udio syst e m Audio syst e m t ype s With navigation system Owners of models equipped with a navigation system should refer to the "Navigation System Owner's Manual". Without navigation system Type A: CD player with changer controller and AM/FM radio Type B: CD player with changer and AM/FM radio 320