2007 Lexus GS 350 Owners Manual - Page 178

2-1. Driving procedures Changing shift ranges in "S" mode Shift the shift lever to the "S" position and operate the shift lever. Upshifting Downshifting The initial shift range in "S" mode is automatically set to "5" or "4" according to the vehicle's speed. However, the initial shift range may be set to "3" or "2" if the AI-SHIFT has operated while the shift lever was in the "D" position. (→P. 103) n Shift ranges and their functions l You can choose from 6 levels of engine braking force. l A lower shift range will provide greater engine braking force than a higher shift range, and the engine revolutions will also increase. l If you accelerate while in ranges "1" to "5", the shift range may automatically range up in accordance with the vehicle's speed. 102