2003 Buick Century Key Fob Programming Instructions

This keyless remote programming instructions work for 4B L,U,T,P remote with part # 10335582 cars, 10335588 aztek, 10335582-88, 9364556-4575, FCC id L2C0007T and part #  on the back of it.

Replacement Remote 10335582, 10335588, 10335582-88, 9364556-4575, L2C0007T
Replacement Remote
Make sure you have all your remotes handy to reprogram them since the system will delete all remote’s codes saved in the system once a new remote has been successfully programmed.

1. Close the vehicle doors.
2. Insert key in ignition and turn to ON (As far as you can without cranking engine)
3. Turn ignition OFF and remove the key from the ignition.
4. Press and hold the driver side door lock switch in the UNLOCK position and don’t let go until step 6.
5. Put the key in the ignition and remove it 3 TIMES then leave the key in the ignition lock cylinder on the 3rd time.
6. Release the door lock switch. Then you’ll hear three beeps which means Programming Mode has been activated.
7. Press and hold LOCK and UNLOCK buttons at the same time on the remote until the vehicle beeps twice to verify that the remote has been successfully programmed (this can take approximately 15 seconds).
8. Repeat step 7 to add more or reprogram your existing remotes (a maximum of 4).
11. Remove the key to exit Programming Mode.

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