I still haven't had any chance to break out the dslr to take good pics of my newest and final version of the flapper switch but here are some iphone pics.
It is engraved the same way VW engraves their OEM buttons.
When the flapper is open it just displays identical to the ESP button as far as color.
When the flapper is closed it lights up orange.
When the flapper is open and the headlights are on the button lights up 100% exact match red.
This is definitely my favorite mod I have done. I kept taking it farther until I accomplished what I wanted...a flapper button that looks like it came from VW, and I finally achieved that goal.
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