The Audi A4 B8 offers a plethora of hidden features that can be unlocked using VCDS (VAG-COM), a diagnostic tool that allows you to access and modify the car’s control modules. This guide provides a comprehensive list of VCDS tweaks specifically for the Audi A4 B8, enabling you to customize your driving experience and unlock the full potential of your vehicle. This compilation gathers information from various online sources, consolidating it into one convenient location.
Popular VCDS Modifications for Audi A4 B8
Below is a list of common VCDS modifications for the Audi A4 B8, along with detailed instructions on how to implement them. Remember to proceed with caution and always back up your original coding before making any changes.
Lighting Modifications
- Disable Amber Corner Lights:
[09 – Cent. Elect.]->[Coding - 07]->Long Coding Helper->Byte 10 Submodule 0 Bit 3– Set to 0. Eliminate the amber side markers found in US models. - Enable DRLs with Rear Taillights:
[09 – Cent. Elect.]->[Coding - 07]->Long Coding Helper->Byte 2 Bit 7– Set to 1. Activate taillights along with your daytime running lights (DRLs). - Enable Euro Parking Lights:
[09 – Cent. Elect.]->[Coding - 07]->Long Coding Helper->Byte 9 Bit 0– Set to 1. Activate parking lights that utilize the turn signals at night, common in European models. - Adjust LED Brightness:
[09 – Cent. Elect.]->[Security Access - 16]->[Adaptation - 10]->Channel 3– Adjust value between 5 and 100. Customize the brightness of your LED lights.
Convenience Features
- Disable Seatbelt Chime:
[17 - Instruments]->[Coding - 07]->Long Coding Helper->Byte 0 Bit 2-4– Set to inactive. Deactivate the audible seatbelt warning chime. - Enable Remote Window/Sunroof Operation:
[46 - Cent. Conv.]->[Coding - 07]->[Long Coding Helper]->Byte 2 Bit 2– Set to 1. Control your windows and sunroof with your key fob, even from a distance. - Disable After-Wipe of Windscreen Wipers:
[09 – Cent. Elect.]->[Coding - 07]->[Dropdown]->"x ** 8K1 955 119 ** WWS xxxx"->Long Coding Helper->Byte 1 Bit 3– Remove check mark (1 = active). Deactivate the automatic after-wipe function of your windshield wipers.
Instrument Cluster and Display Settings
- Enable Lap Timer:
[17 - Instruments]->[Coding - 07]->Long Coding Helper->Byte 1 Bit 3– Check the box for “Lap Timer active”. Activate the lap timer function in your instrument cluster. - Enable Needle Sweep/Gauge Test:
[17 - Instruments]->[Coding - 07]->Long Coding Helper->Byte 1 Bit 0– Check the box. Activate the needle sweep function on startup. - Enable Battery Meter in MMI:
[Hidden menu]->[car]->[cardevextdevicelist]->[Battery]->Enable. Display the battery voltage in the MMI.
Other Notable Modifications
- Enable Automatic Hill Hold Assist ‘lite’:
[03 - ABS brakes]->[Security Access - 16]->[Coding – 07]->Long Coding Helper->Byte 1 Bit 6– Set to 1. Activate a basic hill hold assist function. - Set Custom ADS Settings:
[09 – Cent. Elect.]->[Security Access - 16]->[Adaptation - 10]->Channels 63-66. Customize the Audi Drive Select (ADS) presets.
Utilizing VCDS Responsibly
While VCDS offers extensive customization options, it’s crucial to use it responsibly. Always research thoroughly before making any changes, and remember that incorrect coding can potentially lead to malfunctions. This guide provides a starting point for exploring the hidden features of your Audi A4 B8. For further information and support, consult the Ross-Tech website and online forums dedicated to VCDS and Audi vehicles.
