Lexus LS460 Owners Book page 177

If the automatic transmission fluid temperature warning message is displayed
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If the automatic transmission fluid temperature warning message is displayed while
driving, make sure you return to normal "D" position driving and reduce speed by
easing off the accelerator pedal. Stop the vehicle in a safe place, shift the shift lever
to the "P" position and let the engine idle until the warning message goes out.
When the warning message goes out, the vehicle can be driven again.
If the warning message does not go out after waiting a while, have your vehicle
inspected by your Lexus dealer.
AI-SHIFT
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The AI-SHIFT automatically selects the optimal gear according to driver perfor-
mance and driving conditions.
The AI-SHIFT automatically operates when the shift lever is in the "D" position.
(Shifting the shift lever to the "M" position cancels the function.)
CAUTION
When driving on slippery road surfaces
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Be careful of downshifting and sudden acceleration, as this could result in the vehi-
cle skidding to the side or spinning.
2-1. Driving procedures
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