Audi A3 (8P) Facelift – Microphone sensitivity adjustment (Coding)

Purpose: Allows you to adjust the intensity of the hands-free system microphone.

Proceed:
1 – Engine off, ignition off, connect your official VAG-COM VCDS cable to the computer then connect the other end to the diagnostic socket of your vehicle.

2 – Switch on the ignition then launch the VCDS program.

Line 1:

3 – Click on “ Select ” then click on “ 77 – Telephone ”.

4 – Click on “ Adaptation – 10 ”

5 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose Channel 131

7 – On this same page, there is a second drop-down menu but towards the bottom of the page.
On the latter, choose a value expressed in “ dB ” (Default value “ 0 dB ”) then validate.