Toyota Lexusc Owner's Handbook Manual page 409

AUDIO
(l) Changing the audio language
Push the "Audio Lang." switch on the "Setup Menu 1"
screen 1 and the "Select Audio Language" screen
2 appear.
Select the language you want to hear on the screen.
To return to the "Setup Menu 1" screen, push the "Back" switch.
If you cannot find a language you want to hear, push the
"Others" switch. The "Enter Audio Lang. Code" screen will
appear.
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To enter the code of the language you want to hear, push the
number of the language code. For details about the language
codes, see the language code list. If you enter a wrong
number, push the "Clear" switch to delete the number.
If numbers which are not on the list are entered and the "Enter"
switch is pushed, the "Incorrect Code" screen will appear.
Push the language code you want to hear again.
To return to the "Select Audio Language" screen, push the
"Back" switch.