got my 8 yesterday 1st import i ever owned. got the navigation system with it is there a way to play DVD'S on it or something i can to add on to it to play them with out replacing the whole system.. thanks for your help

 

Search is your friend. There's been several threads on this issue.

To summarize:

The stock DVD Nav doesn't play DVD videos.
An aftermarket mod/kit is/was in the works.