Audi A3 (8P) – AUX-IN socket activation (retrofit) (Coding)
Purpose : Enables the AUX-IN input. After installing the jack plug into the car radio connector (RNS-E or Generation II+ Concert, Chorus and Symphony), you can select the AUX-IN in Source. (Retrofit)
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 (For RNS-E!):
3 – Click on “ Select ” then click on “ 37 – Navigation ”.
4 – Click on “ Coding- 07 “
5 – Modify the penultimate digit by adding 4. (eg: replace xxxxx 1 x with xxxxx 5 x)
Line 2 (For Generation II+ Concert, Chorus and Symphony ) :
3 – Click on “ Select ” then click on “ 56 – Radio ”.
4 – Click on “ Coding- 07 ”
5 – Modify the second digit by adding +4 (0 ? x0xxx):
+1 = Analog input (AUX)
+2 = Multifunction steering wheel
+4 = Telephone