Toyota TUNDRA 2004 Owner's Manual page 258

Each time you push the "Sub Title" switch,
another language stored on the disc is
selected.
To turn off the subtitles, push the "Hide"
switch.
Push the "Back" switch to return to the
previous screen.
The selected subtitle language will appear
on the screen.
'04 TUNDRA_U (L/O 0309)
CHANGING
video only)
Push the "Audio" switch on the screen
and then the changing audio language
screen will appear. You can also display
the screen by pushing the "AUDIO" button
on the controller.
2004 TUNDRA from Sep. '03 Prod. (OM34426U)
AUDIO LANGUAGE (DVD
249