A vehicle information system which includes an in-vehicle system 105 and a centralized server system 120. The in-vehicle system communicates with the server system using a wireless communication link 110, such as over a cellular telephone system. A position system, such as a set of GPS satellites 140,...http://www.google.com.au/patents/US6909398?utm_source=gb-gplus-sharePatent US6909398 - Vehicle information system