Scan Tool Method
WARNING: This page is about a different car, the 2002 Dodge Intrepid, 2002 Chrysler Intrepid, 2002 Chrysler Concorde, and 2002 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition off. Connect scan tool to Data Link Connector (DLC). Turn ignition on. Following scan tool manufacturer instructions, program remote transmitter.