Confirm the customer's complaint of DVD RSE system inoperative.
For vehicles with Lexus Navigation System, perform the following procedure to turn OFF the RSE Lock function:
Press the INFO button to display the "Information" screen on the navigation unit.
Press the "Screen Setting" touch button on the navigation display
Under the "Rear Lock" option, press the "OFF" touch button and then press "OK" in the upper right part of the display.
Press the DVD switch on the RSE system, (If a DVD is NOT already in the player, insert one) and confirm screen is "ON" and the system will play DVD's.
For vehicles without Lexus Navigation System, perform the procedure to turn "OFF" the RSE Lock function.
Push the audio control knob multiple times to cycle through the various options (Bass, Mid, Treble, etc.) until "Rear Lock" is shown on the screen.
Turn the audio control knob so the display says "OFF" next to "REAR LOCK".
Press the DVD switch on the RSE (if a DVD is NOT already in the player, insert one.) and confirm screen is "ON" and the system will play DVDs.
If the above procedure resolves the concern, explain the system operation to the customer. This procedure is described in the "Audio/Video" section of the vehicle owner's manual.let me know lf this helps.