Before revision: Lexus navigation system with G-Book/G-Link ('G'-icon button on touchscreen) G-Book is a telematics subscription service provided by Toyota Motor Corporation in Japan Description of all services offered as of 28 August 2002 for its Toyota- and Lexus-branded vehicles.
After revision: Lexus navigation system with G-Book/G-Link ('G'-icon button on touchscreen) G-Book was a telematics subscription service provided by Toyota Motor Corporation in Japan Description of all services offered as of 28 August 2002 for its Toyota- and Lexus-branded vehicles.