Remote Transmitter
Open remote transmitter and remove battery. Replace with known-good remote transmitter battery of if not available, connect 2 new 1.5-volt dry-cell batteries in series. See Fig 1. Connect battery positive terminal to battery receptacle side terminal and battery negative terminal to bottom terminal in order to provide 3 volts to remote transmitter. Attempt to operate door lock by remote transmitter. If door locks operate, replace batteries. If door locks do not operate, replace remote transmitter. See REMOTE TRANSMITTER REGISTRATION under PROGRAMMING.