Lexus ES350, Manual, Page: 220 / 917

220
ES350_300h_OM_OM33A60U_(U)
4-2. Driving procedures
■
S mode
●
When the shift range is S4 or lower, holding the shift lever toward “+” sets the shift
range to S6.
●
To prevent excessive engine speed, a function was adopted that automatically
selects a higher shift range before the engine speed becomes too high.
●
To protect the automatic transmission, a function is adopted that automatically
selects a higher shift range when the fluid temperature is high.
■
When driving with cruise control activated
Even when performing the following actions with the intent of enabling engine brak-
ing, the engine brake will not operate in the S mode, even when downshifting to 5 or
4. (

P. 248)
■
Downshifting restrictions warning buzzer
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. (A buzzer will sound twice.)
■
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 vehi-
cle inspected by your Lexus dealer immediately.
(In this situation, the transmission will operate in the same manner as when the shift
lever is in D.)
■
If the shift lever cannot be shifted from P

P. 809
■
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 D. (Shifting the shift lever
to S cancels the function.)
CAUTION
■
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.