They can be removed. You need to remove the entire under cover and then you can pop them out. You could try to pull them out of the front but you'll most likely damage the bezel.
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I know there's also a few threads around about generic switches
a lot of people use what they call the magic switch for other devices or whatever -
http://9thcivic.com/forum/threads/diy-honda-5-pin-magic-switch.6478/
Oh it's alwaysLOL I do intend to install a switch! but no magic just pure science!