2003 Toyota Sienna Owners Manual - Page 213

03 SIENNA_U (L/O 0207) 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. When the garage door opener transmitter is properly installed, you can operate the transmitter by pushing the center panel of the cover. If the center panel does not contact your garage door opener transmitter: D Check to see if spacer is on the correct pin. D Attach another spacer to the top of original spacer. Check operation. If required, continue to add spacers until contact is achieved. If the transmitter is clattering during driving, fill in a piece of felt or pad to prevent the transmitter from clattering. 2003 MY SIENNA (OM45410U) 213