1999 Toyota Sienna Owners Manual - Page 173

name. SIENNA (45403U) CAUTION D To reduce the chance of injury in case of an accident or a sudden stop, always keep the garage door opener box closed while driving. D Keep the remained spacers away from children. 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 with your garage door opener transmitter: D Check to see if spacer is on correct pin. D Attach another spacer to the top of original spacer. Check operation. If required, continue 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. 173