Audi A4 B9 Coding List [2021] Review

| Feature | Adaptation Channel | Value / Change | Notes | | :--- | :--- | :--- | :--- | | | (12)-Display configuration-lap counter | Change to Active | Adds Boost pressure and oil temp to VC. | | Needle Sweep (Gauge Celebration) | (1)-Staging (in coding, not adaptation) | Change to Active | Needles sweep fully on start-up. | | Disable Start/Stop via Dash Menu | (24)-Automatic start/stop start/stop function status | Change to Active | Adds a permanent button option. (Note: Sometimes requires module 8D adaptation). | | Change Country Region for Display | (78)-Language-Vehicle Region | Change to EU / US / ROW | Affects DRL behavior and some navigation restrictions. | | Battery Voltage Display | (13)-Display configuration-Voltage | Change to Active | Shows voltage in VC menu. | Module 5F – Information Electronics (MMI) The heart of your infotainment system. This is where the magic happens.

The Audi A4 B9 (2015–2020, including the 2021 facelift in some markets) is a technological masterpiece. However, Audi, like many manufacturers, ships vehicles with a treasure trove of features disabled by default. Whether due to regional regulations, marketing segmentation, or simply to push you toward a higher trim level, these hidden functions are waiting to be activated. audi a4 b9 coding list

| Feature | Adaptation Channel | Value / Change | Notes | | :--- | :--- | :--- | :--- | | | (9)-Außenlicht_uebergreifend-Komfortbeleuchtung_mit_Nebellicht | Change to Active | Allows fogs instead of low beams for driveway lighting. | | Scandinavian DRLs (Rear tails always on) | (6)-Leuchte24SL HRA69-Lichtfunktion A 24 | Change to Daytime running light | Safer for snowy/foggy regions. | | Disable Seatbelt Chime (Driver) | (13)-Seat Belt Warning-Seat Belt Warning Response Driver | Change to No Belt | Legal warning: Do this at your own risk. | | Mirror Dip in Reverse | (23)-Spiegelverstellung-Rueckwaerts_einklappen | Change to Active | Requires memory mirrors. Passenger mirror dips when in R. | | 4-Way Hazard Flashers (Emergency Brake) | (66)-Aussenlicht_Blinker-Emergency_alert_blinken | Change to Active | Flashers activate under hard braking. | | Alarm Beep on Lock/Unlock | (1)-Akustische Rueckmeldung global-Akustische Rueckmeldung entriegeln | Change to Active | Adds chirp. Also adjust volume at channel (6)-Akustische Rueckmeldung global-Dauer der Akustischen Rueckmeldung vom Einfachhorn . | Module 17 – Instrument Cluster (Dashboard) Controls the Virtual Cockpit and analog gauge behaviors. | Feature | Adaptation Channel | Value /