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AI-SHIFT
■
AI-SHIFT automatically selects the suitable gear according to driver performance
and driving conditions.
AI-SHIFT automatically operates when the shift lever is in the D position. (Shifting
the shift lever to the S position cancels the function.)
When driving with cruise control or radar cruise control activated
■
Even when performing the following actions with the intent of enabling engine
braking, engine braking will not activate because cruise control or radar cruise
control will not be canceled.
While driving in D or S mode, downshifting to 5 or 4. (→P. 232, 236)
●
When switching the driving mode to sport mode while driving in D position.
●
(→P. 189)
If the shift lever cannot be shifted from P
■
→P. 779
If S does not come on even after shifting the shift lever to S
■
This may indicate a malfunction in the hybrid transmission system. Have the vehicle
inspected by your Lexus dealer immediately.
(In this situation, the hybrid transmission will operate in the same as manner as when
the shift lever is in D.)
Downshift restriction warning buzzer (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 buzzer will sound twice.)
2-1. Driving procedures
2
191
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