Ok super simple, I never use the removal tool. Take both screws out right over the climate control knobs, them pull the whole black molding part off, there are a few clips that will just pop off when you pull.
now from the back side you can see the radio is held in with little wedge spring pieces. I just use my pocket knife to push the spring clip in while I push the radio through from the back.
To install you can put the bezel bacmk on and just push the radio back in and it will pop into place by itself.
Hope this makes sense