door speakers

Has anyone replaced their factory door speakers on a 2012 CR-V EX? I've searched online trying to find instructions on removing the door panel but have not had any luck. This is my first time replacing speakers and I don't want to mess something up. I've checked the following websites...

HELP: Upgraded Audio Sound/Speakers I would like to upgrade my audio system but I have a couple caviots that may make it somewhat difficult to do well. Please feel free to post any advice, as I am not a stereo guru, but would like to attempt this project on my own as I have plenty of common...