In automotive simulation, number plates serve a dual purpose: aesthetic realism and functional identification. In the default Assetto Corsa experience, number plates are largely cosmetic, often rendered as static textures. However, with the evolution of the platform—specifically through the use of Content Manager, Custom Shaders Patch (CSP), and third-party mods—number plates have become dynamic, interactive elements crucial for online multiplayer and roleplay servers (such as "True Racing" or "Simply RP").
: By adding a custom code block to the car's extension/ext_config.ini , you can make the plate illuminate or glow. assetto corsa number plates
This is the method used by Kunos and the majority of modders. The Ultimate Guide to Assetto Corsa Number Plates: