Well said & true for any car dealer no matter how expensive a suit the salesman has or how smart the showroom is.
My next service at Lexus is going to be £450 for, ignoring inspecting things, an oil change and maybe new brake fluid. Robbery imho.
I may well not bother and go to an independent.
All they do is drive it into the Toyota workshop. My local Toyota dealer didn't say no when I asked if they would service the Lexus so may use them.
If you want to treat your GS to a present I recommend a set of illuminated tread plates. They look superb. I ordered them from the USA for much less than Lexus UK wanted even after paying customs duty. Easy to fit yourself to.
Ed