You can unlock hidden features in your Audi A4 B9 (2016–2024) using OBD2 diagnostic tools. The car leaves the factory with many premium features software-disabled based on the market and trim level.
Use the OBDapp / OBDeleven one-click app sequence for "Video in Motion" to safely bypass the 5 km/h speed cutoff framework. 3. Display Subwoofer Control in MMI
Access: [17] → Coding
Allows passengers to watch DVD or USB video playback on the center MMI screen while the vehicle is moving.
Ultimate Audi A4 B9 Coding List: Unlock Hidden Features & Customizations
Note: Standard VCDS software cannot perform this alteration; it requires a specialized app unlock via VCP, OBDapp, or OBDeleven.
Go to Adaptation inside Module 46, search for "sounder_settings" and set "beeptime_closing_central_locking" to "single_beep". This ensures an option also appears in your MMI radio menu so you can turn it off anytime. Passenger Mirror Dip in Reverse