I left my wife's Volt for service on Friday and I ...

I left my wife's Volt for service on Friday and I was told it will take until Tuesday to do the 45k service + small problem with the check engine light. We had plans to go out of town this weekend so I had to figure out alternate means of transportation. On our way out they call us and they tell us the vehicle is ready. We told them to leave the car on the parking lot so we can pick it up on Sunday when we get back. I go to pick it up and I find the front license plate bent. See the photo attached.

They charged me $1250 for 45k service. For that kind of money I expect better customer service.