PETKA is an invaluable tool for any VAG vehicle owner or independent mechanic, offering professional-grade access to OEM parts data at no cost. However, accessing it requires navigating a strict activation requirement within the MHH AUTO community.
A forum moderator or developer will reply to your post with an activation key or registration file ( .reg or .key ). Copy this key back into your PETKA activation prompt to unlock the software. Managing Updates (Online vs. Offline)