In the passage you will find the entrance to the laundry, where there are two washing machines, two dryers and an iron provided for you.
You need washing tokens for washing and drying your clothes. You can obtain these from the house management or the caretaker.
If nobody is in the house, put money and information about how many tokens you require in an envelope and put it in the letterbox of the house management. This is emptied daily and you will get back washing tokens in the envelope in your letterbox.