2003 Toyota Sienna Owners Manual - Page 212
2003 Toyota Sienna Manual
Page 212 highlights
03 SIENNA_U (L/O 0207) Remove the paper strip covering the adhesive on back side of loop and adhere loop to back side of the transmitter near center. 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. 212 2003 MY SIENNA (OM45410U)