Take off the battery's negative cable. Take off the trim plate around the instrument panel for all vehicles. Unscrew the bracket, take out the radio from its opening in the dashboard, unplug the wires, and bring out the radio from your vehicle. Installation is the reverse of removal. You need to take off the door trim panel before you can put in new door speakers. To repair or change the front speaker above the dash, first take out the top trim on the instrument panel. Take out the screws that hold the speaker in place, and slide the speaker out. Then pull the electrical connector off, and take the speaker away from the car.