I own the pioneer AVIC-N3 with GEX-P920XM tuner and 12 disc CDX-P1280 changer. I wanted to know how can I go about listing to my music from my XM tuner or CD changer while watching a movie??? On my previous pioneer radio (avh-p6800dvd), all i had to do was press the rear source and click on the (ENT) button on my remote, and then I was able to watch movies and listen to music. With the N3 i am able to watch movies while driving, but when i click the rear source nothing happens :(