check this video out on cnet.com follow the steps about downloading the you tube flash vid then google super ecoder its an amazing free program that lets you convert any vid format to anything u need
http://www.cnettv.com/9710-1_53-28090.html
most of you know me from way back when the z1 was selling like crazy at 6ave.com i just wanted to let you know that i over heard my managers talking about a crazy sale the are gona have for 4th of july its gona be Monday only tho. Basically you call in for any non on sale item and you instantly get 20 percent of thats on all new items like the z2 the n3 d3 everything tvs whatever doesn't have a sale sign. i am only posting this because i know they dont read the forums so if your interested call me up ask for roberto.
i have seen on this and other forums that people actually make face plates out of there factory radios or damaged ones on ebay it looks real and it sticks on with Velcro
Inconsequently it will not work directly you will lose that feature in your car but you can look around online for after market company named PAC they make after market hook ups for this same situation ie steering wheel controls, hvac and so forth
your best bet for the zune it to run the wire to the glove box that why u can store it in your glove box as well. Behind the dash board there is almost always a space in the skeleton to the glove box.