2010 Lexus LX 570 Owners Manual - Page 256

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2-1. Driving procedures

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°S± mode

When the shift range is “5” or lower, holding the shift lever toward “+” sets the shift

range to “6”.

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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

The engine brake will not operate in the “S” mode, even when downshifting to “5” or

“4”. (

→

P. 204, 208)

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Second start mode automatic deactivation

Second start mode is automatically deactivated if the engine is turned off after driv-

ing in second start mode.

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If the shift lever cannot be shifted from °P±

→

P. 668

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If the °S± indicator does not come on even after shifting the shift lever to °S±

This may indicate a malfunction in the automatic transmission system. Have the

vehicle inspected by your Lexus dealer immediately.

(In this situation, the vehicle will operate as if the shift lever is in “D”.)

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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.)