A3 (8P) – Activate Daytime Running Lights with Fog Lights (DRL)

Function to be activated via VCDS - VAG-COM software

Option description:

Allows the fog lights to be used as daytime running lights

[09 – Power Plant] -> [Coding- 07] -> [Long Coding Helper]

Byte 0:
Bit 4: Check “Daytime Running Lights (North America)”

Octet 17:
Bit 4: Check “Daytime Running Light with dimmed Low Beam” (or “Daytime Running Light via Fog Lights” depending on your version of VCDS)

Adjusting the fog light intensity (from 1% to 99%)

Octet 20:
Modify the value of the Dec cell