Offered to use informal form of address at a job interview – should I also use informal form of address?

I have a job interview soon. The HR person on the phone asked if she could use the informal "du" form of address, and I agreed. She then continued to use the informal "du" form of address. How should I proceed in the interview? Do I use the informal "du" form of address back? And…

New job: Use formal address with me even though they use informal address?

I have had a new job since September with a spare parts supplier in the automotive sector. The warehouse staff have been on first-name terms with me since day one. I'm in the office, and everyone addresses me with "Sie" (formal), even though they're on first-name terms with each other—even the boss. Except for the…

Profession, older people in the company team should be addressed formally?

Hello, Should you always automatically address older people in your team at the company where you work first? Because I've been unsure about this up until now, since I (female, 21) have automatically addressed most of my colleagues (who are more in my age group) using the informal "du" form of address from the start,…

As a customer in a restaurant, do you want to be addressed informally by the service staff?

Today it happened to me again. I wanted to go to a restaurant and asked the waitress, "Do you have a free seat for me?" The answer was, "You can sit at the table over there." I didn't say anything, but I was quietly upset about it. The wait staff continued to use the informal…