2005 Toyota Sienna Owners Manual - Page 354
2005 Toyota Sienna Manual
Page 354 highlights
05 SIENNA_U (L/O 0409) Place the transmitter with Velcro loop facing inside of box into the box. Make sure the transmitter button is located above button pins. Remove spacers from the center panel. Place one spacer on the pin that would be below transmitter button when the cover is closed. Close the cover. When the garage door opener transmitter is properly installed, you can operate the transmitter by pushing the center panel of the cover. 354 2005 SIENNA from Sep. '04 Prod. (OM45431U)