A3 (8P) – Activate rear fog lights when braking

But : Permet d’utiliser les feux antibrouillard arrière comme feux de position et feux stop.

This modification is only possible for vehicles with a 30-byte module.

Procedure:
1 – Engine off, ignition off, connect your official VAG-COM VCDS cable to the computer, then plug the other end into your vehicle’s diagnostics socket.

2 – Switch on the ignition and run the VCDS program.

Line 1 (fog lights/brake lights):

3 – Click “ Select,” then click “ 09 – Cent. Elect.”

4 – Click on “ Code 07.”

5 – Select module “0” and click “Long Coding Helper”:

6 – Byte 21:
Bit 4: Check “Rear Fog Light as Brake Light ”

Line 2 (fog lights/parking lights):

3 – Click “ Select,” then click “ 09 – Cent. Elect.”

4 – Click on “ Code 07.”

5 – Select module “0” and click “Long Coding Helper”:

Byte 10: Enter the value 22 in the ” Dec” field

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