Software
Photoshop, I use 2021 version
Content manager full
Once everything is installed
Choose a car to be modified I will choose V8 supercar Holden ZB
D:\Steam Platform\steamapps\common\assettocorsa\content\cars\supercars_holden_zb
In this main file is a KN5 model file,
HOLDENv8_zb double click on this file and the car will appear in a showroom
Controls are tricky with camera….
When viewing the car, it will show different sections when clicking on the dash or wheel etc… Ps if you leave mouse in one area and right click it will go through 1 by 1 what can be changed in that area. Usually, 2 or 3 times you can right click.
For example
You clicked on the dash and a box will appear
Look next to leather_black_mat01.dds and you will see 3 dots, click and it will bring up a CAR TEXTURE box
Next click on CALCULATE AO and it will render the file you need then save it
Keep everything open at this stage..
Now go to the file you just saved and rendered
Open with Photoshop as it’s a DDS file and just click okay when first box opens up
Once image has opened up use ALT and mouse wheel to zoom in a little
Now quickly find any image on computer that is either Jpeg or something similar.
Drag the picture across into the middle of the box on the photoshop, move it around until you are happy with it. Then double click on it to place the picture and lock it in.
I chose a picture of oranges
Now go to file at top left and find SAVE AS
File name should be correct leather_black_mat01.dds
Save as type needs changing to D3D/DDS
Click save and sometimes it asks to overwrite just say yes
NVIDIA dds format box will appear
Top drop-down box needs to be DXT5 ARGB 8BPP l Interpolated alpha
Don’t touch anything else
Save
Now go back to the car in the showroom
And click on the 3 dots next to txdiffuse leather_black_mat01.dds
Click replace and replace with the file you saved from photoshop and that’s it. Check the car in showroom and will have oranges inside
This is very basic but it’s the same process for skinning outside the car, just different files etc
Hope its of some help, I don’t know why the wheel and seat are replaced with dash texture but im hoping someone will tell me one day. I have asked on the forums but no reply yet..