2013 Toyota Tundra CrewMax Owners Manual - Page 366

3-4. Using the rear audio/video system Changing the subtitle language Press or select to display the subtitle language screen. Each time is pressed or is selected, another language stored on the disc is selected. Select to return to the previous screen. Changing the audio language Press or select to display the audio language screen. Each time is pressed or is selected, another language stored on the disc is selected. Select to return to the previous screen. 404