Hacking ambient color profiles part 2, the hacking continues!

So, last week I spent some time on hacking Ambient color maps for MIB2. If you didn't read about it, see here.

I continued the research, and found out some more interesting things:
— ambienceColorMap.res holds the default ambient color list.
— on VW the file determines which Screening (module 5F, byte 18) get what color profile
— there's a default color
— there can be a "no" color
— the ambienceColorMap.res can be swapped between brands!
— the color lists can be extended

So let's have a look at the first finding: the file holds the default ambient color list. A lot of people are modifying the ambient color list in the BCM (Module 9). However, you need a facelift BCM to be able to do this. Most of the screenshots online show me modified ambient color selections… however I found a youtube video (thanks Team BHP) which showed an unmodified ambient color map on Skoda firmware. The ambience map lines up perfecfly to the color selection, as you can see. Feel free to send me some pictures of your untouched ambient color selection, so I can see if it all matches up to the files :-)
My biggest question here is: Why does each color show up 3 times in the file?!. Maybe there are 4 zones that we can customize independently from each other? This needs some additional testing. If you want to try a modified ambiencecolormap, let me know!

Found on photo: 45004300

Then the part about VW having specific color profiles for each "Screening" (5F, byte 18). GTI has red ambience coloring and HMI highlights by default, while all other models are blue. My car has "9" as a value, while GTI has "3". While looking at the values in the selected part, I saw some similarities:

Found on photo: 45004300, 38003300, 32222229, 2222Z2

So, the first, 0x39 (= 9 in ASCII), second 0x35 (= 5 in ASCII), third 0x37 (= 7 in ASCII) ad 4th 0x33 (= 3 in ASCII). I gave each profile a different color instead of the default blue:

And then I started changing the value for Screening. I saw the colors change accordingly:
value 9 gave me the 1st profile, value 5 the 2nd, value 7 the 3rd, value 3 the 4th. I was happy. Then I swapped the "33" for "39", and vice versa. Colors swapped accordingly. Conclusion: Screening value determines what color is used on VW. However… on Skoda and Seat this "table" is not used… I wonder if it works if we copy a VW ambiencecolormap to a Seat. Either way, I also found out there's a "default" color, in case the Screening is not in the table. This is the 0th color, which again is blue in VW's case.

After this I started modifying crazy stuff to see if I could tweak other settings. I ended up with a "stealth" theme with no color highlights at all:

I also tested some Seat and Skoda maps, which all had a positive result, everthing was loading as planned.

More research soon :-P