Question about basic radio to play DVD
 

Hi everybody! I write first time since last June when i get my Wrangler Unlimited 2008 from Germany to Finland.
Great vehicle!!!
I found from radio face DVD tag.
Can i play in my basic radio DVD:s? I dont need to see them only listen. But if it necessary to bye 7 " screen it is possible but how to install? It can use allso for reverse camera.