Lexus LS460 Owners Book page 169

Changing shift ranges in "S" mode
Shift the shift lever to the "S" position and operate the shift lever.
The initial shift range in "S" mode is automatically set to "4", "5", "6" or "7"
according to vehicle speed. However, the initial shift range may be set to
"2" or "3" if the AI-SHIFT has operated while the shift lever was in the "D"
position. (P. 170)
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Shift ranges and their functions
Meter display
S2 - S8
S1
A lower shift range will provide greater engine braking forces than a higher shift
range.
"S" mode
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When the shift range is "6" or lower, holding the shift lever toward "+" sets the
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shift range to "8. "
When the shift range is "6" or higher, moving the shift lever toward "-" may
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change down by 2 shift ranges or more depending on driving conditions.
To prevent the engine from over-revving, upshifting may automatically occur.
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A gear in the range between "1" and the selected gear
is automatically chosen depending on vehicle speed
and driving conditions
Setting the gear at "1"
2-1. Driving procedures
Upshifting
Downshifting
Function
2
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