Operation CHARM: Car repair manuals for everyone.
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Transmitter Programming

1. Ground pin 4 to pin 8 of the Data Link Connector (DLC). The receiver will respond as follows:
^ The doors will lock and unlock within 2 seconds.
^ The liftgate window release (E54) will be activated within 2 seconds.
2. Simultaneously press and hold the LOCK and UNLOCK buttons on one of the transmitters until the locks cycle. This will take approximately 10 seconds. The receiver will respond as follows:
^ The doors will lock and unlock within 2 seconds.
^ The liftgate window release (E54) will be activated within 2 seconds.
^ Do not wait more then 60 seconds between transmitters or the receiver will exit the programming mode.
3. Repeat step 2 for each transmitter, four transmitter can be programed to this vehicle.
4. Remove the jumper wire from the DLC.
5. Verify that the RKE is functioning correctly:
^ Lock and unlock the doors.
^ Activate the liftgate window (E54).