How do you replace the radio in a ford festiva?

To replace the radio in a Ford Festiva, start by disconnecting the car battery to ensure safety. Remove the trim panel around the radio using a flathead screwdriver or trim tool, then unscrew and slide out the old radio. Disconnect the wiring harness and antenna cable from the back of the radio. Finally, connect the new radio's wiring harness and antenna, secure it in place, and reattach the trim panel before reconnecting the battery.