The Audi A3 8V (2013–2020) is a favorite for enthusiasts because many of its high-end features are simply "locked" behind software. By using a diagnostic tool like or OBDeleven , you can activate these hidden functions yourself. Visual & Dashboard Enhancements
| | Path / Adaptation Channel | New Value | Security Access | Notes | | :--- | :--- | :--- | :--- | :--- | | Enable Gauge Test/Needle Sweep | 09 → Adaptation → (17)-Staging | Active | 31347 | Works on all 8Vs. Sweeps needles on startup. | | Disable Seatbelt Warning | 09 → Adaptation → (12)-Seat belt warning-Seat belt warning | Seatbelt warning deactivated | 31347 | Illegal in many regions. Use at own risk. | | Cornering Lights via Fog Lights | 09 → Adaptation → (5)-Static AFS light-Static AFS light | Active | 31347 | Fog lights illuminate when turning at <40km/h. | | Comfort Turn Signals (Lane Change Flash) | 09 → Adaptation → (2)-Turn signal control-Komfortblinken Blinkzyklen | 3, 4, or 5 (default 3) | 31347 | Changes number of flashes with light stalk tap. | | Mirror Dip in Reverse (Passenger) | 09 → Adaptation → (23)-Spiegelabsenkung bei Rückwärtsfahrt | Active | 31347 | Requires memory mirrors. Select reverse, adjust mirror down, save. | | DRL with Turn Signal (LED Headlights) | 09 → Adaptation → (5)-Daytime running lights-Tagfahrlicht-Dauerfahrlicht aktiviert zusatzzündungsabhaengig | Deactivate (for dimming) | 31347 | Prevents DRL from turning off completely when indicating. | | Welcome Light (Fade in/out) | 09 → Adaptation → (4)-Außenlicht_uebergreifend-Lichtfunktion fuer Willkommensbeleuchtung | Coming Home/Leaving Home | 31347 | Adjust activation via (6)-(8) channels. | audi+a3+8v+coding+list
Remember that Audi continuously updates module firmware. A code that works on a 2014 A3 1.4 TFSI may behave differently on a 2019 A3 2.0 TDI Facelift. When in doubt, consult the Ross-Tech Wiki or OBDeleven forums for your exact module part number. VCDS (Vag-Com) The Audi A3 8V (2013–2020) is
| Feature | Adaptation | Value | |--------|------------|-------| | (if camera present) | Lane assist | Active | | Traffic jam assist (with ACC) | Traffic jam assist | Active | | Steering wheel vibration (for lane departure) | Vibration threshold | High / Medium | Sweeps needles on startup
: Enables a visual graphic on the MMI screen for cars equipped with rear sensors but no front sensors. Service & Oil Reset