Electronic devices 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 to notify a vehicle dealer and the vehicle owner of a vehicle fault or diagnostic trouble code and to automatically schedule a service appointment; electronic devices 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 to download vehicle software applications from a dealer related software applications website; 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 the dealership lot; electronic vehicle fault code reader used to notify a vehicle owner and vehicle dealer of vehicle issues and to automatically schedule vehicle service appointments; downloadable software applications for use in providing vehicle health monitoring reports to vehicle owners; downloadable software applications to provide vehicle health alerts; downloadable software applications to provide automatic scheduling of service appointments to vehicle owners; downloadable software to provide vehicle location information; computer software for use by vehicle dealers to locate locations of vehicles on the dealership lot; computer software for use by vehicle dealers to generate promotional offers to vehicle owners; computer software for use by vehicle dealers to transmit electronic messages to the customer's mobile electronic devices