Lexus LS460 2008, Owner'S Manual

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2-1. Driving procedures
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“S” mode
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When the shift range is “6” or lower, holding the shift lever toward “+” sets the
shift range to “8.”
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When the shift range is “6” or higher, moving the shift lever toward “-” may
change down by 2 shift ranges or more depending on driving conditions.
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To prevent the engine from over-revving, upshifting may automatically occur.
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Downshifting restrictions warning buzzer (in the “S” mode)
To help ensure safety and driving performance, downshifting operation may some-
times be restricted. In some circumstances, downshifting may not be possible even
when the shift lever is operated. (The warning buzzer will sound twice.)
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When driving with the cruise control system
Engine brake will not operate in the “S” mode, even when downshifting to “7”, “6”,
“5” or “4”. (

P. 182, 185)
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Snow mode automatic deactivation
Snow mode is automatically deactivated if the “ENGINE START STOP” switch is
turned OFF after driving in snow mode.
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If the shift lever cannot be shifted from “P”

P. 652
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AI-SHIFT
The AI-SHIFT automatically shifts the gear to the optimal position according to the
driver performance and driving conditions.
The AI-SHIFT automatically operates when the shift lever is in the “D” position.
(Shifting the shift lever to the “S” position cancels the function.)