AN intergraded car-multimedia system is composed of 33 parts, which include a circulation unit, information display unit, audio input unit, display speed controller, audio output unit, signal processor, signal converter, signal amplifier,car-multi-media central processor, car-multi-media controller, audio amplifier, loudspeaker, display unit, driver, switch, microphone, parking monitor, DVD machine, CD changer, audio-video processor, DVD Navigation Control System, power supply, mute device, FM/AM radio system, Bluetooth module, AUX input/output port, USB port, memory card reader, OBD port, Steering wheel control, vehicle out-port, intelligent voice control and expansion module. These parts work together to bring drivers’ with entertainment, communication and real-time navigation experience while they driving.