Lexus LS460 2011 Owner's Manual page 544

3-4. Using the rear seat entertainment system
Selecting a desired screen

Selecting a menu number
STEP 1
Select "Select Number" on the settings screen.
STEP 2
Input the desired menu number on the screen and select
"OK".

Searching manually
Select "Prev. Page" or "Next Page" on the settings screen, or
press
Changing the sound-multiplex mode
Select "MAIN/SUB" on the settings screen. The mode cycles
through each time "ENT" is pressed.
"Main"  "Sub"  "Main/Sub"
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or until the desired screen appears.