It sounds like you might be looking for information on VCDS (Vag-Com Diagnostic System) version 20.4.2, which was a significant update for diagnosing and coding Volkswagen Group (VAG) vehicles. While newer versions like 21.x and 22.x are now available, many users found 20.4.2 to be a "better" or more stable release for specific hardware/cables.
Shoutout to the developers for always making the best tools for VAG cars. vcds 2042 better
Service Resets: Perform your own oil and inspection service resets without a dealer. Pros & Cons VCDS: Revision History - Ross-Tech It sounds like you might be looking for
If you are looking for technical instructions, this version is a common stable release used for scanning fault codes, performing adaptations, and "long coding". However, here is a story concept that brings that software to life: The "Solid Story" Concept: The Ghost in the ECU The Setting: Service Resets: Perform your own oil and inspection