you have to remove the pastic face plate that surrounds the radio unit, (few screws) once done remove the face plate, and should have 2 bolts holding the radio in undo those and pull out radio then...
Replacing the deck is extemely simple, especially if you are installing a stock CD/Radio deck (which you can find for 50 - 75 bucks on Ebay. Your Neon is already wired to plug right in and will not...