1‑Click Taillight Animation for Audi A4 / A5 B9.5 (2020–2023)

TL;DR: This guide shows how to activate OEM S and RS taillight animations, dynamic taillights and dynamic indicators on Audi A4 and A5 facelift models (2020–2023) using RetroLab Pro. All you need is a Windows laptop, an ENet cable and a few minutes — no dealer tools, no remote coding and no workshop visit required.

Many Audi A4 and A5 facelift models are equipped with factory LED taillights that already support hidden dynamic lighting features such as taillight animations and dynamic indicators. However, these functions are often not enabled from the factory even though the hardware is already present.

Until recently, activating these features typically required expensive dealership tools such as VAS5054 or VAS6154, combined with remote coding sessions and manual parameter changes. This made the process slower, more expensive and less accessible for normal owners.

With RetroLab Pro, the activation can now be performed directly from your own laptop using a guided OEM workflow.

No coding knowledge. No dealer hardware. No remote sessions. Just connect and activate.

What Is Audi Taillight Animation Activation?

Audi taillight animation activation enables hidden OEM lighting profiles already supported by the factory LED taillights on compatible facelift models. Depending on the model and body style, this can include S-style or RS-style taillight animations as well as dynamic taillight behavior.

In other words, this is not an aftermarket lighting retrofit. It is an OEM-style activation of functionality already supported by the installed taillight hardware.

What You Need

• A Windows laptop with internet connection
• An ENet cable (OBD to Ethernet) – available here
• Optional USB-to-LAN adapter (if your laptop does not have an Ethernet port)
• RetroLab Pro installed on your computer
• A VIN activation license (€100)

Supported Audi Models

This activation works on compatible facelift Audi models equipped with factory LED taillights.

• Audi A4 B9.5 Avant (2020–2023)
• Audi A4 B9.5 Sedan / Limousine (2020–2023)
• Audi A5 F5 / B9 Sportback (2020–2023)
• Audi A5 F5 / B9 Cabriolet (2020–2023)

Required hardware:

• Factory LED taillights with dynamic indicators
• PR code 8VM

This activation works on vehicles from multiple regions, including Europe and North America.

How the Activation Works

1. Connect your laptop to the vehicle using an ENet cable.
2. Launch RetroLab Pro.
3. The application automatically reads the VIN and checks activation status.
4. If licensed, the taillight animation can be activated instantly.

If the VIN has not yet been licensed, RetroLab Pro will guide you through the activation process.

Benefits of Activating Dynamic Taillights with RetroLab Pro

• OEM-style taillight animations
• Dynamic taillight functions enabled where supported
• No manual coding or parameter editing
• No dealership hardware required
• No remote sessions or scheduling
• Fast one-click activation
• Unlimited activations for your VIN

Available Dynamic Taillight Animations by Model

• A4 Avant: S and RS animations
• A4 Sedan / Limousine: S animation
• A5 Sportback: S and RS animations
• A5 Cabriolet: S and RS animations

The available animation depends on body style and vehicle configuration.

Audi Dynamic Taillights vs Standard LED Taillights

On compatible vehicles, the factory LED taillights can support more advanced lighting behavior than what is visible from factory delivery. Standard LED taillights may appear static during locking and unlocking, while activated OEM animation profiles add the progressive light movement associated with higher-spec Audi lighting packages.

This means the upgrade is not about changing the taillights themselves, but about unlocking the hidden dynamic behavior already supported by the hardware.

Why This Upgrade Is Popular

Many Audi owners search for terms like Audi dynamic taillights, Audi taillight animation, Audi RS taillight animation or activate dynamic indicators because the cars already have the correct taillights installed, but the animation is missing. This activation solves exactly that problem.

It is one of the cleanest OEM-style upgrades available for facelift Audi models because it improves the visual lighting behavior without replacing the factory taillights.

Activate Taillight Animation for Your Audi

Also Available for Other Audi Models

The same type of taillight animation activation is also available on other compatible Audi models:

• Audi A4 B9 / B9.5 Taillight Animation Activation
• Audi A5 F5 / B9 Taillight Animation Activation
• Audi Q5 FY Dynamic Blinkers & Taillight Animation Activation

Watch the Activation Demo

See how the activation works in practice:

Limitations

• Only compatible with 2020–2023 models without SFD2 protection
• Vehicle must already have factory LED taillights with PR code 8VM
• Not compatible with 2024+ vehicles

Frequently Asked Questions

Do I need new taillights?
No. The vehicle must already be equipped with factory LED taillights and PR code 8VM.

Can this activate Audi dynamic taillights and animations?
Yes. Supported vehicles with compatible LED taillights can enable both dynamic lighting behavior and taillight animations.

Does this work on North American vehicles?
Yes. Supported vehicles from North America can use this activation if the required taillight hardware is installed.

What is the difference between S and RS taillight animation?
The available animation depends on body style and vehicle configuration. Some models support only the S animation, while others support both S and RS animations.

Do I need coding knowledge?
No. The activation process is fully automated through RetroLab Pro.

Can I use the license multiple times?
Yes. Each license is tied to one VIN, but it can be used unlimited times on that same vehicle.

Does this retrofit LED taillights?
No. This activation does not install or retrofit taillights. It only unlocks functionality already supported by compatible factory LED taillights.

Need Help?

If you need assistance with the activation, feel free to contact us:

• Email: remote@retrofit.nu
• WhatsApp: +46 0707 909490
• Facebook: Retrofit.nu