Transmitter Synchronization
IMPORTANT: Loss of transmitter synchronization will occur when the following conditions are present:^ The batteries on the keyless entry transmitter have been replaced
^ A keyless entry transmitter has been activated many times when out of range of vehicle's remote control door lock receiver.
In order to Synchronize a transmitter, press and hold the transmitter LOCK and UNLOCK buttons simultaneously for at least 7 seconds. The horn will sound when the synchronization is successful.