2004 Toyota Sienna Owners Manual - Page 233

04 SIENNA_U (L/O 0408) You can also enjoy the rear seat audio system with a wireless headphone. The wireless headphone can be used within rear seat. If the signal becomes weak, the headphone will mute. For details, refer to the manufacturer's instructions. With some wireless headphone generally available in the market, it may be difficult to catch sound properly. Toyota recommends the use of Toyota genuine wireless headphone. You can purchase a wireless headphone at a Toyota dealer. CAUTION D Do not drive with using the headphone. Otherwise, you may be hard to hear the sound from the outside while using the headphone and may cause an accident. D With DVD player: 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. Be sure to adjust the volume with this in mind. Make sure the volume is not increased, before you turn on the headphone. 233 2004 SIENNA from Aug. '04 Prod. (OM45422U)