I recently purchased a Group on for their carwash. Twice I had to go back and have them re-vacuum it. I do have a dog but I always pre-vacuum the back seat, figuring that's only fair... This time they left road dirt and some tar on the back of the car. They weren't very busy so there really was no reason to have missed it. Not that busyness is an excuse. I didn't feel the washes were worth the money that I paid for with a Group on and I won't be paying full price!