Audi A4 B9 Coding List Jun 2026

The Ultimate Audi A4 B9 Coding & Hidden Features Guide Unlocking the true potential of your Audi A4 B9 (2016–Present) goes beyond basic maintenance. Through or OBDeleven , you can customize your vehicle's software to enable "hidden" features—from visual flares like needle sweeps to functional upgrades like Active Lane Assist.

| Feature | Adaptation Channel | Value / Change | Notes | | :--- | :--- | :--- | :--- | | | (48)-Vehicle menu operation-menu_operation_speed_dependent_activation | Change to Deactivated | Allows video (DVD/SD) while driving. Legal only for passengers. | | RS Boot Screen | (18)-Startup screen | Change to 19 (RS4) or 22 (RS5) | Changes logo on MMI start-up. | | Audi Drive Select Individual Mode | (78)-Car_Function_Adaptations_Gen2-menu_display_individual | Change to Activated | Unlocks "Individual" setup for engine/steering. | | Green Engineering Menu (Hidden Menu) | Enable developer mode: (13)-Developer mode | Change to Activated | Allows access to secret menu (hold Back + Car for 6 sec). | | Disable Legal Disclaimer (Accept Screen) | (23)-Disclaimer_Display_Time | Change to 0 | Removes the startup agreement screen. | | Hold Music after Ignition Off | (12)-Infotainment system–Terminal 30-1: Ignition - Afterrun time | Increase to 300s | Radio stays on longer after key out. | audi a4 b9 coding list