During the transition from version 1.39 to 1.40, the primary focus for modders was the introduced in ETS2 1.40, which required significant updates to materials and textures to prevent "blown-out" or overly dark dashboards.
To use these interiors, you generally need the base RJL Scania mod installed and active in your Mod Manager. The interior mod should typically be placed the truck mod in the priority list to ensure the custom textures overwrite the defaults. [ETS2 v1.40] Scania RJL Holland Style Interior SCANIA RJL INTERIOR 1.39 – 1.40
RJL Scania R & Streamline, Scania 4-series, and Scania T-series. During the transition from version 1
Options for "Holland Style" (often red/white or beige) or classic leather . SCANIA RJL INTERIOR 1.39 – 1.40