The big plastic dash cover surrounds all around the front of the dash that covers your dash components, carefully pull on this plastic cover. It does pop off. Start at one point and slowly pull off. There are clips all around the perimeter.
Once you get that dash trim cover off, look on the sides of the stereo. You will find on each side of the stereo two black little levers sticking out. Squeeze the lever on each side down and pull out. The whole stereo will come out, It is really easy.
Oh by the way. when you pop of the dash trim you may have to pull the lever on the size of you stearing wheel to drop your stearing wheel down in order to get the dash trim completely off. good luck!!!