which updates digital mapping information and is used by various international companies. It also incorporates information from Toyota Mapmaster Inc. It is based on the former GAZOO infrastructure (renamed Toyota Media Service Corporation) of Toyota's membership-based information service and membership system, and it provides interactive information services via vehicle installed touch-screen wireless communication terminals. personal digital assistants ( PDA)'s, personal computers (PC) and G-Book equipped cars across Japan.
G-Book allows users to link with cellphones (such as the Toshiba T003 cellphone). G-Book is a telematics subscription service provided by Toyota Motor Corporation in Japan for its Toyota- and Lexus-branded vehicles.
Lexus navigation system with G-Book/G-Link ('G'-icon button on touchscreen)
