In an automobile, communications to and from the automobile are in the form of messages. Such messages are referred to as “electronic car-mail” or “C-mail” messages as each message has a destination or origination address which includes an identifier, e.g., a vehicle identification number (VIN),...http://www.google.de/patents/US7409221?utm_source=gb-gplus-sharePatent US7409221 - Technique for communicating information concerning a product or service provider to a vehicle
