Last year our minivan door broke internally (it was stuck shut) and needed a part that was not stocked, and only manufactured once ordered. I went to the dealer since it was under warranty. We were told four weeks, but it ended up being 10. Then I made the repair appointment, took the car up, and got a ride home. The service advisor called me later to say when they opened the box, the factory had produced the wrong part (but stuck it in a box with the correct number for what I needed). I was not happy.