Be sure to do what is needed to prevent an accidental air bag release and any harm to passengers in vehicles with air bags. First, connect the electrical connector, install the tweeter, mount it tight with the fastener and attach the battery negative cable. Install the speaker for the driver instrument panel speaker, screw it in place with its mounting fasteners, hook up the electrical connector, attach the instrument panel mounting fasteners, fit the amplifier, close the steering column opening cover and securely connect the battery negative cable. Place the speaker, bolt it in with the fasteners, link the electrical wires, install the glove box, put on the end cover and link the negative cable from the battery. Attach the cable of the electrical connector, set up the speaker, fix it with the mounting bolts and connect the battery negative cable to the bar. Set up the subwoofer, wire it to the subwoofer electrodes, secure it with brackets and attaching the battery's negative cable.