I have a problem getting a tool tray for my full size 17" spare alloy wheel for my 2009 Avensis Tourer. I went to my local Toyota dealer in Sidcup, and ordered what the parts person thought was the correct part. When it arrived, it was the exact same item in my car!  The parts guy said that he used my licence plate number and that's what was available for my car. He was using the Toyota parts computer system. I had the very same problem before with the same parts guy, when trying to o