I just recently started working at UPS, I had been doing well in the small sort until I was told I was going to be washing trucks a few days ago. I was shown the video and then expected to start washing trucks. Well, they aren't getting clean, I have been trying my darndest, rinsing, soaping, rinsing again. But all it seems to do is make the dirt worse and my supervisor mad. After getting mad at me a few times (by just yelling at me, expecting me to do better and then walking off) I finally was able to get her to tell me how she expects the trucks to be washed. Well, it was the same thing that I had been doing, so the trucks are still dirty, my supervisor still not happy and I am getting fed up with not being trained properly. Is it within my rights to ask her to personally show me how she expects the trucks to be washed? If anyone has any advice on how to keep this situation from exploding and tips on washing the trucks I would aprreciate it.