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AI-SHIFT
AI-SHIFT automatically selects the suitable gear according to the driver per-
formance 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.)
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When driving with cruise control activated (if equipped)
Even when performing the following actions with the intent of enabling engine
braking, engine braking will not activate while driving in S mode and down-
shifting to 5 or 4 (6-speed models) or 4 (5-speed models) because cruise
control will not be canceled. (P. 199)
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If the shift lever cannot be shift from P
P. 492
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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 Toyota dealer, immediately.
(In this situation, the transmission will operate in the same manner as when
the shift lever is in D.)
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Downshifting restrictions warning buzzer (S mode)
To help ensure safety and driving performance, downshifting operation may
sometimes be restricted. In some circumstances, downshifting may not be
possible even when the shift lever is operated. (A buzzer will sound twice.)
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Transmission protection function
If the tires spin continually when the vehicle becomes stuck in mud, dirt or
snow, the automatic transmission temperature may become too high and
cause damage.
To avoid the damaging the automatic transmission, the system may tempo-
rarily lock the gear in 1st.
If the automatic transmission temperature falls, the gear locking is canceled
and returns the automatic transmission to the normal operation.
CAUTION
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When driving on slippery road surfaces
Do not accelerate or shift gears suddenly.
Sudden changes in engine braking may cause the vehicle to spin or skid,
resulting in an accident.
4-2. Driving procedures
185
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Table of Contents
Troubleshooting
