1. Insert the key into the driver's door lock and turn it to the "Unlock" position.
2. Hold the "Unlock" button on the key fob for at least 10 seconds.
3. Turn the key in the driver's door lock to the "Lock" position.
4. Release the "Unlock" button on the key fob.
5. Test the central locking by pressing the "Lock" and "Unlock" buttons on the key fob.
If the central locking is not reset, you may need to repeat the steps above.