2009 Toyota Sienna Owners Manual - Page 438

3-7. Other interior features n When the spacer does not contact your transmitter button Check to see if the spacer is on the correct pin. If the spacer is on the correct pin, attach another spacer on top of the original spacer. Recheck transmitter operation. If required, add spacers until contact is achieved. n If the transmitter rattles during driving Stuffing the box with a piece of felt or pad will stop the noise. CAUTION n Caution while driving Keep the garage door opener box closed. Injuries may result in the event of an accident or sudden braking. n Removed spacers Keep away from children. These parts are small and if swallowed by a child they can cause choking. 412