If the lock is muted, you will not hear beeping during programming, normal operation, low battery indicators or system alerts. Make sure your door is open and unlocked 1. Enter your existing PC. 2. Press “Kwikset” then “7” then “Kwikset” 3. Repeat steps 1 and 2 to mute or unmute the lock again. For all programming sequences, success is indicated when the Kwikset button flashes green 2 times and you hear 2 beeps. If unsuccessful, the Kwikset button will flash red 3 times and you will hear 3 beeps. Note: If the lock is muted, you will not hear the lock beeping.