Motor vehicle diagnostic system comprised of a vehicle-based electronic module for transmitting vehicle diagnostic information via a global computer network; motor vehicle diagnostic system comprised of a vehicle-based electronic module for transmitting vehicle status information to emergency personnel; motor vehicle system comprised of a vehicle-based electronic module for receiving traffic status information and providing directional guidance information in response thereto; electronic interface modules for wired and wireless interface of mobile phones, electronic media players, and other personal electronic devices with the automotive electrical system

Transmission of motor vehicle diagnostic information via a global computer network; transmission of motor vehicle status information to emergency personnel