In the development of in-car informative systems Human Machine Interface (HMI) plays a key role for functionality, usability and style. This paper presents the advantages of a particular HMI architecture based on the concept of browser, borrowed from the Internet world. Fiat Research Centre has realised a modular in-car architecture for telematics services applying this concept. The solution seems to be very interesting particularly for open and distributed systems with a high variability in the configuration. The principal advantages are separation of look and functions, easiness in introduction of new applications and high modularity of the architecture that allows the reuse of the same components on different systems. Moreover the architecture has been designed in order to fit an automotive network with limited bandwidth, such a CAN (Controller Area Network).
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