Lexus 2008 ES350, Owner'S Manual

Page: 121 / 460

121
2-1. Driving procedures
2
When drivin
g
ES350_U_(L/O_0802)
n
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.)
n
When driving with the cruise control system or dynamic radar cruise control sys-
tem
The engine brake will not operate in the S mode, even when downshifting to 5 or 4.
(
→
P. 141, 144)
n
If the shift lever cannot be shifted from P
→
P. 398
n
If the 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.)
n
AI-SHIFT (Artificial Intelligence 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. (Shift-
ing the shift lever to the S position cancels the function.)
ES350_U_33809U.book Page 121 Wednesday, January 30, 2008 10:58 AM