How do you I reset my key for 2004 mini?

To reset the key for a 2004 Mini, first, ensure all doors are closed and the vehicle is in the "off" position. Insert the key into the ignition and turn it to the "on" position without starting the engine, then turn it back to "off." Repeat this process about five times, ending in the "on" position, which should reset the key. Finally, remove the key from the ignition and test it to ensure it's functioning correctly.