Upgrade your Yale Assure Lock or Lever to work with the Yale Access app. The Yale Access Upgrade Kit will allow you to lock/unlock, share access and see who comes and goes all using your Yale Access app, from anywhere! For ultimate convenience, your Assure Lock will unlock automatically as you approach the door and it will relock once the door is closed! Lock, unlock or check current status with voice assistants including Amazon Alexa, Hey Google or Siri.