1999 Toyota Sienna Owners Manual - Page 172
1999 Toyota Sienna Manual
Page 172 highlights
name. SIENNA (45403U) Please note if transmitter has wire clip for sun visor, this clip must be removed prior to adhesion of the Velcro. 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 the largest spacer on the pin that would be below transmitter button when the cover is closed. Close the cover. 172