Open the car’s skin folder in `content/cars/
Create or edit `driver3d.ini`
Set the helmet texture line to the desired helmet skin name
Place the helmet texture files in the skin folder if needed
Use the correct file names for the helmet model’s texture set
Repeat for each driver/skin you want to customize
For custom driver models, edit the driver model files in the car’s `driver3d` folder
For race-specific helmet assignment, use the skin’s `driver3d.ini`
For online or AI use, make sure the same helmet files are available to all clients
Save the files and reload the car in Assetto Corsa
Verify the helmet appears correctly in-game