Get 2008 Audi A6 Aux Input Location Your radio navigation system (also called audi navigation audi reset service reminder (a2, a3, a4, a6, tt). I want to put aux imput in my audi a6 2007. connecting phone for bluetooth and audio from www.gtacarkits.com Rather, i cant find where i would plug the adapter cable into. If i open the armrest its got a small plastic area with electrodes that look like something would connect there.