Lexus LS460 Owners Book page 508

3-4. Using the rear seat entertainment system
Automatic closing of the rear display (4-seat models)
506
Press .
If "Auto Close" is on, the display will
automatically close when the
"ENGINE START STOP" switch is
turned OFF.
The display will automatically open
when the "ENGINE START STOP"
switch is turned to ACCESSORY
or IGNITION ON mode.