How do you remove radio from a 1989 Pontiac Bonneville?

To remove the radio from a 1989 Pontiac Bonneville, first, disconnect the negative battery terminal to ensure safety. Then, carefully pry off the trim panel surrounding the radio using a flathead screwdriver or trim removal tool. Once the trim is off, unscrew the mounting screws securing the radio in place, and gently pull the radio out of the dashboard. Disconnect the wiring harness and antenna cable from the back of the radio to complete the removal.