Originally, players had to find a specific brand's showroom (like Volvo or Scania) in a city to see if their modded truck had "overwritten" a stock model. This often led to game crashes if multiple mods tried to occupy the same slot. The "Mod Dealer" Breakthrough: SCS Software eventually introduced a dedicated Access Mod Dealer
For the latest direct downloads and verified compatibility, you can check community sites like ETS2MODS.LT which are updated daily. load order guide for these mods to ensure your game doesn't crash? How to Get the BEST Graphics in ETS2 & ATS mod ets2 galer updated