2003 Buick Century Keyless Entry Remote Fob Smart Key Programming Instructions
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2003 Buick Century Keyless Entry Remote Fob Programming Instructions
For Buick Century / RegalObtain all remote transmitters for this vehicle.
1. Close vehicle door.
2. Turn ignition to ON then back to OFF (ON is the position just shy of starting car without cranking engine)
3. Remove key from ignition.
4. Press and hold the UNLOCK switch on drivers door and continue to hold until instructed to release.
5. Insert key into the ignition (do not turn it) and remove it.
6. Insert key into the ignition (do not turn it) and remove it.
7. Insert key into the ignition (do not turn it) and leave it in.
8. Release the UNLOCK switch on drivers door. Vehicle will respond with three acoustic sounds to indicate successful entry into programming mode.
9. Press and hold the LOCK and UNLOCK buttons on first remote until vehicle beeps twice indicating successful programming. This step may take about 15 seconds.
10. Repeat step 9. for all remaining remotes including working ones.
11. Remove key from ignition to exit programming mode and test all remotes.
2003 Buick Century Transponder Key Programming Instructions
Do-It-Yourself programming procedure is not available for this vehicle. This vehicle requires a diagnostic equipment to be connected to the vehicle to program the key. You will need to find a local automotive locksmith or a dealer to program this key.Use our Locksmith Search if you need professional help.