I have a 2002 that was produced on 01-2002.
I want to add the aux input ,blue tooth or input for ipod/iphone.
I want to keep the nav and the cd-changer.
i just can not believe it can't happen.
What is the serial port in the back driver side for?
All i want to do is play music for a device and pair my phones.

thank you so much Forward for your help