How do you remove the radio from the dash of a 1990 Cadillac Fleetwood Brougham?

To remove the radio from a 1990 Cadillac Fleetwood Brougham, start by disconnecting the negative battery cable to ensure safety. Carefully pry off the trim panel surrounding the radio using a flat tool to avoid damaging it. Once the panel is removed, unscrew the mounting screws holding the radio in place, then gently pull the radio out and disconnect the wiring harness and antenna cable. Afterward, you can install the new radio by reversing these steps.