Check your car stereo for a security code to keep running when you disconnect the battery. Disconnect the battery only after getting the correct security code. To take out the radio, the negative cable is first removed from the battery. Next, carefully pry away the trim bezel from around the radio. For models 1997 and later, remove the small plastic trim covers on the left and right sides with a small screwdriver wrapped in tape. Subsequently, take out the screws securing the radio, pull the radio out sufficiently to disconnect the electrical connector and antenna lead, and finally remove the radio. Beginning in 1997, a special audio removal tool is required because radio mounting screws no longer exist. These are U-shaped with bent ends and are available at your local auto parts store. Insert a tool into the hole on each side of the radio until the internal clips release from the radio. Note that 2001 model require two sets of these tools. The installation of the reverse process of removal. To take the speakers off the vehicle, you must remove the front door trim panel. After that, remove any screws or nuts holding the speaker, disconnect it, and remove it from the cabinet. The process of installation reverses that of removal.