Been researching installing an aftermarket DD indash receiver for DVD's and wiring an all around better sound system. I am going to keep the stock navigation screen... which is where I am running into problems. Does anyone know how I can retain the sound from the Navigation and mix it with the sound from the receiver??? Thanks....

 

https://g35driver.com/forums/audio-video-electronics/157269-i-have-working-nav-voice-bt-alpine-hu.html

This thread was only a few down from yours.