It sounds like you have included some great features in your Trabant 601S Kombi V1.0 mod for FS25! Having lighting, a passenger seat for 3 people, animated doors with interactive controls, a horn, and a rear hitch point for trailers will definitely enhance the realism and functionality of the vehicle in the game.
Including the Interactive Control mod as a requirement is a good choice, as it will allow players to interact with various parts of the vehicle and customize their experience while using the Trabant 601S Kombi V1.0. Providing a link for players to easily access and download the required mod is also a thoughtful addition that will help ensure a smooth installation process for users.
Players will likely appreciate the attention to detail and functionality that you have put into this mod, and these features should make the Trabant 601S Kombi V1.0 a popular choice among FS25 players who enjoy realistic and immersive gameplay experiences.