Electronic device comprised of hardware and operating software for installation in a motor vehicle by coupling to a vehicle on-board diagnostics (OBD) system to provide wireless communication via cellular, and local area networks for notifying a vehicle dealer and the vehicle owner of a vehicle fault or diagnostic trouble code and for initiating automatic scheduling of a service appointment; electronic device comprised of hardware and operating software for installation in a motor vehicle by coupling to a vehicle on-board diagnostics (OBD) system to provide wireless communication via cellular, and local area networks for downloading vehicle software applications from a dealer related applications store; electronic device comprised of hardware and operating software for installation in a motor vehicle by coupling to a vehicle on-board diagnostics (OBD) system to provide wireless communication via cellular, and local area networks for tracking vehicle location on a the vehicle dealer lot; electronic vehicle fault code reader operable to notify a vehicle owner and vehicle dealer of vehicle issues and to automatically schedule vehicle service appointments