When SCS Software dropped update 1.46 in late 2022, it wasn't a minor hotfix. It introduced features that changed how we interact with the road:
The UI and GPS system got a facelift.
Important Note: Steam automatically updates ETS2 to the latest version (currently 1.5x). To specifically play version 1.46, you must opt into the Steam Betas. Euro Truck Simulator 2 Download Version 1.46