Return the car at Munich airport. He told me to park it there and leave the key in the car and then I can go. Is everyone like this ?

Shouldn't it? I haven't returned a car at the airport, but at other return points, there is a drop key small window that is open after normal working hours. After parking the car in the designated area, throw the key into the small window, and the key will fall into the box inside the house and others can't get it out.

Me too. There are too many people returning the car. Many cars are parked together.

So, but I added oil because the oil lamp lit up in the middle, and asked them to refund the cost of the oil when I went to the counter

When I returned the car at Munich airport, I was also asked to leave the key in the car, but my car did not have comprehensive insurance. The car dealership did not provide comprehensive insurance, with a deductible of tens of thousands of yuan. If I returned home and later found that there were scratches on the car and they directly deducted my credit card, who could I complain to? So I insisted that the staff member check the car before I returned it, saying that I didn't have insurance. The person said okay and helped me call a SIXT staff member. It took a long time for a SIXT staff member to come. After checking the car, he confirmed it on my phone before I left.

Yes, me too.

Yes, I am like this too.

Yes, just give it directly.

Yes, it is like this.

Every company has different requirements.