I've got an 07 Type-S and the cover for the LCD above the Navi has some spray marks, kinda weird and I'm not sure where they're from.

Anyways, no matter what I try, they wont come out. I've tried a glass cleaner, some goo-gone, honda polish. Nothing works.

Any ideas? Is this something that could easily be replaced? And is it some sort of plastic? or glass?

 

It is plastic. I guess you could replace it, but I would try PlastX from Meguiars. Works really well on minor scratches, etc to plastic. I used it to remove scratches from my kids XBox disks.
You remove that piece by pulling the aluminum trim from the console and placing a screwdriver wrapped in MF towel on the under side and pull out & up (towards you). It requires some force to get it out.
Here is a great Video DIY on removing the console parts: https://acurazine.com/forums/3g-tl-2004-2008-93/f-051-diy-video-how-remove-center-console-lower-dash-glove-box-733555/

Another note: 303 Aerospace (et al) will leave these types of marks from overspray on both glass and plastic. Make sure you spray it onto a MF towel and then apply to your dash.