How do you RE program 2003 Chevrolet silverado keyless remote?

Answer 1

# Close all the vehicle doors. # Insert the ignition key into the ignition lock cylinder. # Press and hold the door unlock switch. # While holding the door lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF. # Release the door unlock switch. The doors will lock and unlock to confirm the program mode. # Press and hold the LOCK button and the UNLOCK button simultaneously on one transmitter. After a delay of approximately 15 seconds , the doors will lock and unlock to confirm the programming of that transmitter. # Repeat the previous step to program up to four transmitters. # Turn the ignition switch to the RUN position in order to exit the keyless entry transmitter programming mode. # Operate the transmitter functions in order to verify correct system operation. Method 2 - Scan Tool Required, Program Individual Transmitter Only use this option if you are certain which transmitter #1- #4 is being replaced, or the new transmitter can be programmed into a previously unused position within the PDM memory. Refer to IMPORTANT above.