2005 Toyota Sienna Owners Manual - Page 299

05 SIENNA_U (L/O 0409) -Headphone input jacks CAUTION Adjust the volume when you connect the headphones to the jack. Loud sounds may have a significant impact on the human body. You can enjoy the rear seat entertainment system with commercial headphones. To use the headphones, connect them to the jack. The key must be in the "ACC" or "ON" position. To adjust the volume of the headphones, turn the dial. Left side dial: Turn it upward to increase the volume, turn it downward to decrease the volume. Right side dial: Turn it downward to increase the volume, turn it upward to decrease the volume. The maximum volume depends on the type of headphones. The recommended headphone impedance is from 16 Ω to 32 Ω. Please contact your Toyota dealer for further details. 299 2005 SIENNA from Sep. '04 Prod. (OM45431U)