All aftermarket headunits pretty much suffer from this. You can blame all that glass surrounding you.
What people have done is mounted the headunit in the bottom slot replacing the pocket.
Here is a thread on another board which details it.
http://www.7thgencivic.com/forums/sh...54321234567890
You may have to register but its worth if if you do. The forums there are great for all things 7thgen civic.
Any non-hybrid related issue you can think of is covered there.