Lexus is300 2021, Service Manual

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4-2. Driving procedures
*1
: To improve fuel efficiency and reduce
noise, shift the shift lever to D for normal
driving.
*2
: Any gear range can be fixed when driv-
ing in M mode.
■ To protect the automatic transmission
“High Transmission Fluid Temp See
Owner's Manual” is displayed on the
multi-information display and a function is
adopted that automatically selects a higher
shift range when the fluid temperature is
high. Have the vehicle inspected by your
Lexus dealer.
■
When driving with dynamic radar cruise
control with full-speed range activated
Even when performing the following
actions with the intent of enabling engine
braking, engine braking will not activate
because dynamic radar cruise control with
full-speed range will not be canceled.
●
8-speed models: While driving in the D
position, downshifting to 7, 6, 5 or 4.
(

P.192)
●
6-speed models: While driving in the D
position, downshifting to 5 or 4.
(

P.192)
● When switching the driving mode to
sport mode while driving in the D position
(

P.236)
■
Restraining sudden start (Drive-Start
Control)

P.129
■ Gear position display on the multi-infor-
mation display
When Gear positions is selected for a Drive
Information screen on the multi-information
display and the shift lever is in the D or M
position, the currently selected gear posi-
tion will be displayed on the multi-informa-
tion display. (The display changes
according to the shift lever position and
driving conditions.)
■
AI-SHIFT
The AI-SHIFT automatically selects the suit-
able gear according to driver performance
and driving conditions.
The AI-SHIFT automatically operates when
the shift lever is in D position. (Shifting the
shift lever to the M position cancels the
function.)
Automatic transmission
Shift position purpose and func-
tions
Shift posi-
tion
Objective or function
P
Parking the vehicle/starting
the engine
R Reversing
N
Neutral (Condition in which
the power is not transmitted)
D
Normal driving
*1
M
M mode driving
*2
(

P.141)
WARNING
■
When driving on slippery road sur-
faces
Be careful of downshifting and sudden
acceleration, as this could result in the
vehicle skidding to the side or spinning.