Lexus 2004 GX470 Owner's Manual page 318

(c) Selecting the DVD mode
"
1 Controller button 2 Mode selection screen
To select the DVD mode, push the "DVD" button on the
controller.
You can also select the DVD mode on the mode selection
screen mentioned above.
"DVD" appears on the screen.
The "DVD Hint!" screen appears when the DVD mode is
first selected after you turn the ignition key to the "ACC"
or "ON" position.
Push the "OK" switch when you read the message.
Finish
AUDIO
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