Activating driver assistance features often requires multiple changes across several control modules. Below are detailed instructions for two of the most sought-after upgrades.
Coding → Byte 1 → Enable Bit 0 (or check "Gauge Test/Needle Sweep" active) Lap Timer & Oil Temperature Display
You cannot use the coding list without an interface tool. audi a4 b9 coding list
| 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. |
Always perform a of your car's original coding before making changes. Use community resources like Scribd's B9 Coding Guides for detailed step-by-step bit and byte values. | Feature | Adaptation Channel | Value /
Voltage drops during coding can corrupt your ECUs. Keep your car connected to a battery charger.
: This information is for educational purposes only. The author and sources are not responsible for any damage to your vehicle. Always consult professional services if unsure. | | Audi Drive Select Individual Mode |
Coding -> Long Coding -> Byte 2 -> Bit 7 to 1 .
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Note: You will also need to activate the menu in the MMI adaptation under Module 5F to adjust the warning vibration. 2. Auto High Beam Assist (Memory Function)
When you tap the turn signal stalk lightly, it flashes 3 times by default. You can change this behavior to flash 4 or 5 times for longer highway lane changes. 09 (Central Electrics)