Lexus 2004 GX470 Owner's Manual page 339

AUDIO
Push a parental level (1 — 8). The smaller the level number,
the stricter the age limit. Push the "Back" switch to return to the
"Setup Menu 1" screen.
324
(q) Setting the display mode
Each time you push the "Display Mode" switch on the
"Setup Menu 2" screen, the display mode is changed from
wide mode to auto mode.
Finish