2013 Toyota Tundra Regular Cab Owners Manual - Page 356
2013 Toyota Tundra Regular Cab Manual
Page 356 highlights
3-4. Using the rear audio/video system Setting the rear seat entertainment system lock Front audio system Selecting either the front audio system or DVD player audio for the speakers Selecting "LOCK" or "UNLOCK" for the rear seat entertainment system The rear seat entertainment system lock remains on, even when the engine switch is turned off. DVD player display 394