Toyota Lexusc Owner's Handbook Manual page 387

AUDIO
After replacing the battery, check that the controller operates
properly. If the controller still does not operate properly, contact
your Lexus dealer.
368
DVD player operation
The DVD player can play audio CDs, DVD video discs, CD
texts, dts-CDs, DVD audio discs and video CDs.
For appropriate discs for this player, see "Car audio/video
system operating hints" on page 418.
The DVD player works when the ignition key is in the "ACC" or
"ON" position.
To turn on the DVD player, a disc must be loaded in the player.
To turn off the player, eject the disc.