How do you take out the factory radio in a 2002 Corolla-S?

To remove the factory radio from a 2002 Corolla-S, start by carefully prying off the trim panel surrounding the radio using a flat tool to avoid damage. Once the trim is removed, unscrew the bolts securing the radio in place. Gently pull the radio out of the dashboard, disconnect the wiring harness and antenna cable from the back, and the radio will be free. Be sure to handle all components carefully to prevent damage.