Answer: When activated the lock will say "Secure Lock is on" and not allow you to enter any codes, fingerprints, fobs to unlock it. You can only unlock using the app when this is turned on. You can deactivate this setting by going to settings. Tap on "Privacy Lock", and then turn it off.

Strongest: vertical and double cylinder deadbolt locks However, you can greatly reduce the likelihood of intruders by making sure that all exterior doors are fitted with some form of deadbolt locks and strike plates and that you are diligent in using these locks while at home and away.

The key serves as a security token for access to the locked area; locks are meant to only allow persons having the correct key to open it and gain access. In more complex mechanical lock/key systems, two different keys, one of which is known as the master key, serve to open the lock.