The safest way to update your vehicle's software is through an authorized dealer or directly through the manufacturer's service portal. They can provide you with the latest software updates and ensure they are properly installed.
Diagnostic Entrance → [Select Module, e.g., Engine Control Module 1] → Diagnostic Function → Vehicle Functions → "Local flash file" option to browse and select your new file (typically 2. VCP (Vag Can Professional) Guided Functions vag flash file new
A detailed report on a "VAG Flash File New" might include: The safest way to update your vehicle's software