
Purpose: activates rear turn signals and LED tail lights in phase opposition.
Warning! There are 2 lines of coding to do here.

Proceed :
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:
3 – Click on“Select”, then click on“09 – Cent. Elect.”.
4 – Click on“Security Access – 16” then enter the code“31347”.
5 – Click on“Adaptation – 10”.
6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose “Leuchte20BR LA71-Lichtfunktion C 20”.
7 – On the same page, there’s a second drop-down menu at the bottom
of the page.
Select“Blinken links Dunkelphase” and confirm. (Source: Blinken Links Hellphase)
Line 2:
3 – Click on“Select”, then click on“09 – Cent. Elect.”.
4 – Click on“Security Access – 16” then enter the code“31347”.
5 – Click on “Adaptation – 10”.
6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose “Leuchte21BR RC8-Lichtfunktion C 21”.
7 – On the same page, there’s a second drop-down menu at the bottom
of the page.
Select“Blinken rechts Dunkelphase” and confirm. (Origin: Blinken rechts Hellphase)