Vinyl has to be out of the trunk or pulled down, and the windows have to be up to get at the screws on the side of the car, including by the "c" pillar. The front one by the "a" pillar was tricky, I didnt have the window mechanism out, so I had to have the window down about three inches to get a ratched in there. You will need patience on the two by the pillars. The door panel and rear panel must be off/out the car.
With respect to the emblem, they pop out and underneath two screws will be revealed for the chrome base. Get a butter knife or long flat head and work each side up slowly. If you have good paint on your car, you can mess it up quickly. I think there was a write up on the tech articles or I found out by doing a search here or on roadfly.
Hope this helps, if still stuck, post or PM me and I will write more. I can always talk you through it too. Good luck.