Transmitter Synchronization
WARNING: This page is about a different car, the 2000 Plymouth Breeze, 2000 Dodge Stratus, 2000 Chrysler Sebring, and 2000 Chrysler Cirrus. However, it is still accessible from the selected car via links, so may be relevant.
Entry procedure only works on transmitters that are previously programmed to receiver. Press and hold lock and decklid release buttons for a minimum of 5 seconds or for as long as 6 minutes. Doors will lock, indicating that transmitter has been synchronized.