Ensure you are running ETS2 1.46 . While some newer versions (like 1.48 or 1.56) have their own specific v5.x updates, the 5.2 version was optimized specifically for the 1.46 lighting engine.

Choose the sequential LED headlight options and desired DRL colors.

Place this mod high in your loading order (near the top) to ensure it overrides default SCS truck light textures. In-Game Configuration: Visit a truck service center or the truck dealer.

Adds sequential LED functionality to rear light slots on compatible bumpers. Installation Guide

The 5.2 update for version 1.46 focused on high-quality light textures and customization for modern truck models, particularly the .