About G-Book
G-Book was a telematics subscription service provided by Toyota Motor Corporation in Japan for its Toyota- and Lexus-branded vehicles. G-Book allowed users to link with cellphones, personal digital assistants (PDAs), personal computers (PC) and G-Book equipped cars across Japan. It is based on the former GAZOO infrastructure of Toyota's membership-based information service and membership system, and it provides interactive information services via vehicle installed touch-screen wireless communication terminals. It also incorporates information from Toyota Mapmaster Inc. which updates digital mapping information and is used by various international companies.
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