Please do not hang anything on the smart lock . If smart lock is locked you only need to put the code in 1 time but if the door is just closed and not locked you have to put the code in 2 times to open the door. To lock the door from the inside just press the button on the smart lock and to unlock press the button again. 

Keep noise to a minimum because of Greek siesta times. between 14:30 to 17:00 and from 23:00 to 8:00