To unlock the Padlock, you may use:

PIN code
To unlock with PIN code, tap the keypad on the Padlock, and key in your PIN code.

Bluetooth Key
You may unlock with Master Bluetooth Key or Guest Bluetooth Key.

To lock the Padlock,

Simply close the Padlock and it auto-locks after 1 second. If you have auto-lock disabled, just press and hold the lock icon to manually lock it!