You have to press and hold number 3 until it stops by itself.
After entering the building you have to walk up one more floor.
Just press and hold the number for your level. Do not press the red button or the covers.
Your apartment key is in the safe next to the entrance at level 3.
The key box is labeled with your apartment name. You can see the apartment name in your booking.
The code for the key box is in the message in which you opened the instructions.
Each room have a set of keys (one to enter the building and one for the room). The extra key is working for the main door to enter the apartment (the others don’t work for this door).
You can keep the keys til check-out day (don’t need to put back to the safe every day).
(Turn the key strongly to the left til the end and then push the door)