Enter a new code in a schlage lock?

To enter a new code in a Schlage lock, first, ensure the door is unlocked. Press the "Schlage" button, then enter your current code, followed by the "Schlage" button again. Next, enter the new code you wish to set, then press the "Schlage" button once more to confirm. Finally, test the new code to ensure it works properly before locking the door.