Lexus 2012 RX450h Owner's Manual page 240

2-1. Driving procedures
Changing shift ranges in S mode
When the shift lever is in the S position, the shift lever can be operated as
follows:
The initial shift range in S mode is set automatically to "5" or "4" accord-
ing to vehicle speed.
■ Shift ranges and their functions
● You can choose from 6 levels of engine braking force.
● A lower shift range will provide greater engine braking force than a
higher shift range, and the engine speed will also increase.
240
Upshifting
Downshifting