ITray in my 99 a4
 

i am going to utilize my ashtray as an ITray as seen here (https://www.audiforums.com/m_347910/mpage_1/key_/tm.htm) posted by A3night.

I am utilizing the same method. Any advice for running the Peripeheral cable from the interface/head unit to under the ashtray???

or any other advice towards this project is much appreciated.