2010 Lexus RX 350 Navigation Manual - Page 222

AUDIO/VIDEO SYSTEM D Changing the speaker output CAUTION D While driving Do not use headphones. Doing so may cause an accident, resulting in death or serious injury. D To prevent accidents and electric shock Do not disassemble or modify the remote control. D When the remote control is not used Stow the remote control. Injuries may result in the event of an accident or sudden braking. D Conversational speech on some DVDs is recorded at a low volume to emphasize the impact of sound effects. If you adjust the volume assuming that the conversations represent the maximum volume level that the DVD will play, you may be startled by louder sound effects or when you change to a different audio source. The louder sounds may have a significant impact on the human body or pose a driving hazard. Keep this in mind when you adjust the volume. D Removed battery and other parts: D Keep away from children. D These parts are small and if swallowed by a child they can cause choking. To play the rear audio over the speakers in the vehicle, turn "Speaker Output" on. 250