have you tried prying it out? or giving it a nice pull? usually that how most come out i know on my old hondas they all came out with just a pull or pry the edges off carefully. and since everything in this car is pretty much clips i dont thnk they'd change that around with a screw. just try pulling on it 
r
FS thread
08 Civic Sedan
"if you didn't cut yourself you did something wrong"
