Toyota Lexusc Owner's Handbook Manual page 468

(b) Driving in "S" mode
"
1 Upshifting 2 Downshifting
"S" mode position
3
4 Shift range position indicator
You can change the shift range position in the "S" mode.
The shift range position can be switched between "5"
(fifth range) and "1" (first range) by moving the selector
lever up to the "+" side or down to the "-" side. The first
shift range position is "4" (fourth range) when the selector
lever is shifted to the "S" position.
STARTING AND DRIVING
" Shift range position indicator
The shift range position is displayed on the instrument cluster.
D Shift range positions
"5" (fifth range): The most suitable gear is automatically
selected between first and overdrive (fifth) gears according
to vehicle speed and driving conditions. Always use the "5"
(fifth range) position to improve fuel economy and for quiet
driving.
"4" (fourth range): The most suitable gear is automatically
selected between first and fourth gears according to vehicle
speed and driving conditions. In the "4" (fourth range)
position, the automatic transmission system will select the
most suitable gear to handle current running conditions
such as hill climbing, hard towing, etc.
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