Vehicle locating systems; vehicle tracking apparatus; electronic systems for recording the route travelled by a vehicle; measuring systems for recording vehicle data or vehicle information; measuring systems for detecting vehicle accidents, having a transmission unit for forwarding the events of the accident; downloadable software applications for recording and transmitting the location of a vehicle and the route travelled, including for use on mobile devices; downloadable software applications for recording and transmitting vehicle data or vehicle information, including for use on mobile devices; downloadable software applications enabling users to track and locate stolen vehicles, including for use on mobile devices; downloadable software applications enabling users to remotely access vehicle functions, including for use on mobile devices; downloadable software applications informing users of the vehicle accidents of others, including for use on mobile devices.