1. Turn the ignition key to position "ACC".
2. Unlock the selector by pressing the button and move the selector to any position except "R".
3. Make sure the ignition key cannot be turned to "LOCK".
4. Move the selector to position "R" and release the lock on the selector. Then, press and hold the release again.
5. Make sure the ignition key cannot be turned to "LOCK".
6. Release the latch and check that the ignition key moves freely to the "LOCK".