If you need to reset the code on your Yale door lock, there are a few things you'll need to do. First, find the small hole on the face of the lock. This is where you'll insert the key. Once the key is inserted, turn it to the left until you hear a click. This will release the locking mechanism inside the door.
Next, use a paperclip or other small object to press and hold down the reset button inside the hole. While holding down this button, enter your desired four-digit code. Make sure not to enter any leading zeroes when choosing your code! Once you've entered your new code, release the reset button and test out your new code by trying to open and close the door with it.
If you have any trouble resetting your Yale door lock code, don't hesitate to reach out to customer service for assistance.