2013 Toyota Tundra CrewMax Owners Manual - Page 383

3-4. Using the rear audio/video system Setting viewer restriction levels Setting a personal code allows the viewer restriction to be used. Select . Enter a personal code and press or . The setting cannot be changed unless a personal code is entered. When you forget a personal code, initialize a personal code. (→P. 423) 3 Select a restriction level (1-8), and press or . The Interior and exterior features smaller the level number, the stricter the restrictions. Initializing all menus Select . Turning off the Setup Menu screen Select . 421