The main aspects of the Philips electronic car information and navigation system CARIN are described. Digital road maps are used for enhancing the vehicle-locating system, automatic route planning and driver guidance. The digital maps are stored on Compact Discs according to the CD-I, Compact Disc Interactive, standard. CD-I provides the indispensable extension of the Compact Disc Digital Audio standard required for consumer-oriented products. It combines the storage of audio, video, and computer data with powerful computing facilities, so that a vast variety of compatible interactive home and car applications becomes feasible.