Lexus LS460 Owners Book page 498

3-4. Using the rear seat entertainment system
When a front passenger selects "Setup Menu"
■
Rear system lock
■
 P. 326
Error messages
■
If "Region code error" is displayed, check the region code printed on the DVD
matches the player's region code.
If a different message is displayed: P. 428
496
To cancel the set up operation from the front
seat, select "Play".