ect Lexus IS250 2011 Owners Manual

143
2-1. Driving procedures
2
When driving
IS350/250_U
■When the “-” shift paddle switch is operated in the D position
When the “-” shift paddle switch is operated in the D position, a shift range will be
automatically selected. The highest gear of the first shift range will be one gear
lower than the gear in use during normal D position driving.
■Automatic deactivation of shift range selection in the D position
Shift range selection in the D position will be deactivated in the following situations:
●When the vehicle comes to a stop
●When range 6 is selected and the accelerator pedal is depressed
●If the accelerator pedal is depressed for more than a certain period of time
■To protect automatic transmission
A function is adopted that automatically selects a higher shift range when the fluid
temperature is high.
■Gear position display when driving
The current gear is displayed on the multi-information display. (→P. 1 6 3 )
■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 or shift paddle switch is operated. (The warning buzzer will
sound twice.)
■When driving with the cruise control system
Engine braking will not occur during shift range selection in the D position or S
mode, even when downshifting to range 5 or 4. ( →P. 1 7 5 )
■Snow mode automatic deactivation
Snow mode is automatically deactivated if the “ENGINE START STOP” switch is
turned off after driving in snow mode.
■If the shift lever cannot be shifted from P
→P. 4 9 1

144
2-1. Driving procedures
IS350/250_U
■If 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.)
■AI-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. How-
ever, operating the “-” shift paddle switch will restrict the function’s operation. (Shift-
ing the shift lever to the S position cancels the function.)
While in power mode, the engine speed may stay high while depressing the accel-
erator pedal and may remain high after releasing the accelerator pedal. This does
not indicate a malfunction.
CAUTION
■When driving on slippery road surfaces
Be careful of downshifting and sudden acceleration, as this could result in the vehi-
cle skidding to the side or spinning.

145
2-1. Driving procedures
2
When driving
IS350/250_U
Manual transmission∗
■Shifting the shift lever
Fully depress the clutch pedal
before operating the shift lever,
and then release it slowly.
■ Shifting the shift lever into R
Shift the shift lever into the R
position while lifting up the ring
section.
∗: If equipped

149
2-1. Driving procedures
2
When driving
IS350/250_U
NOTICE
■Before driving
Fully release the parking brake.
Driving the vehicle with the parking brake set will lead to brake components over-
heating, which may affect braking performance and increase brake wear.

153
2-2. Instrument cluster
2
When driving
IS350/250_U
Speed and tacho indicators■ Turning the indicator on/off
Bring up the satellite switch mode
on the multi-information display.
Press “<”, “>” or the “ON/OFF”
button.
Select the item whose setting is to
be changed.
Press “<” or “>” to display the item
whose setting is to be changed.
Change the settings.
Press the “ON/OFF” button to
change the settings.
STEP1
STEP2
STEP3

154
2-2. Instrument cluster
IS350/250_U■
Changing the indicator setting
The satellite switch can be used to change the set speed at which the
yellow speed or tacho indicator ring comes on.
The setting can be made only when the “ENGINE START STOP”
switch is in IGNITION ON mode and the vehicle is stopped.
Push “
<” or “>” to select the speed or tacho indicator set mode. ( ) Turn
the speed or tacho indicator to “ OFF” and then “ON” by pushing the
“ON/OFF” button. ( )
After one second, the mode enters
the indicator setting mode.
The speedometer or tachometer
needle moves to the previously set
speed.
STEP1

155
2-2. Instrument cluster
2
When driving
IS350/250_UPush “
<” or “>” within 6 seconds of the speedometer or tachometer nee-
dle moving to change the setting of the desired speed, then turn the indi-
cator mode to “ON” by pushing the “ON/OFF” button.
Pushing and holding the button changes values at a faster rate.
If the satellite switch is not operated for some time, the multi-information dis-
play returns to its previously displayed content.
The yellow indicator is displayed to indicate that the desired speed has
been set.
STEP2
■Speed indicator display conditions and vehicle speed setting range
Vehicle speed setting range: Approximately 30 to 100 mph (approximately 50 to 160 km/h)
When the maximum speed is selected, the speed indicator comes on only in red.
■Tacho indicator display conditions and engine speed setting range
Engine rpm setting range: Approximately 2000 to 6500 rpm (r/min)
When the maximum rpm is selected, the tacho indicator comes on only in red.

158
2-2. Instrument cluster
IS350/250_U
■Indicators
The indicators inform the driver of the operating state of the vehi-
cle’s various systems.
Turn signal indicator
(→ P. 1 4 7 )
(vehicles with
an automatic
transmission)
“ECT SNOW” indicator
(→ P. 1 4 0 )
Headlight high beam indi-
cator ( →P. 1 6 6 )
(vehicles with
a manual
transmission)
“ETCS SNOW” indicator
(→ P. 1 4 6 )
(U.S.A.)
Headlight indicator
(→ P. 1 6 5 )
(vehicles with
an automatic
transmission)
“ECT PWR” indicator
(→ P. 1 4 0 )
(Canada)
Tail light indicator
(→ P. 1 6 5 ) Cruise control indicator
(→ P. 1 7 5 )
Front fog light indicator
(→ P. 1 6 8 )
(if equipped)
Intuitive parking assist
indicator ( →P. 1 7 9 )
(vehicles with an automatic trans-
mission)
Shift position and shift range indica-
tors ( →P. 1 3 9 )
Slip indicator ( →P. 1 8 6 )
VSC off indicator
(→ P. 1 8 7 )
SRS airbag on-off indica-
tor (→ P. 1 0 4 )
*1
*1
*1, 2

159
2-2. Instrument cluster
2
When driving
IS350/250_U
CAUTION
■If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS warning light not come on
when you start the engine, this could mean that these systems are not available to
help protect you in an accident, which could result in death or serious injury. Have
the vehicle inspected by your Lexus dealer immediately if this occurs.
*1: These lights turn on when the “ENGINE START STOP” switch isturned to IGNITION ON mode to indicate that a system check is
being performed. They will turn off after the engine is started, or after a
few seconds. There may be a malfunction in a system if a light does not
come on, or if the lights do not turn off. Have the vehicle inspected by
your Lexus dealer.
*2: The light flashes to indicate that the system is operating.
■ Warning lights
Warning lights inform the driver of malfunctions in any of the vehi-
cle’s systems. (→ P. 4 6 1 )
*: These lights turn on when the “ENGINE START STOP” switch is turned
to IGNITION ON mode to indicate that a system check is being per-
formed. They will turn off after the engine is started, or after a few sec-
onds. There may be a malfunction in a system if a light does not come
on, or if the lights do not turn off. Have the vehicle inspected by your
Lexus dealer.
(U.S.A.)(Canada)(U.S.A.)(Canada)
(U.S.A.)(Canada)(for
driver)(for front
passen-
ger)
******
******

163
2-2. Instrument cluster
2
When driving
IS350/250_U■
Average vehicle speed
■ Gear position display
(vehicles with an automatic transmission only)
Displays the average vehicle speed since the engine
was started or the function was reset.
The function can be reset by pushing the “DISP” switch
for longer than one second when the average vehicle
speed is displayed.
Indicates the current gear, and the range of gears
that is available when the shift lever is in the D or S
position. The gear range is shown by the number of
dots ( •) and the current gear is shown as a number.
The transmission automatically selects the gears
within the driver selected gear range.
In the illustration to the left, a range of 6 available gears
(1 through 6) has been selected by the driver. (The shift
lever is in the D or S position with 6 ranges enabled.) It is
possible for the transmission to automatically select
between all 6 of the gears. In this case, the transmission
has selected third gear.
■System check display
After switching the “ENGINE START STOP” switch to IGNITION ON mode,
“CHECK” is displayed while system operation is checked. When the system check
is complete, “COMPLETED” is displayed before returning to the normal screen.
■Outside temperature display
In the following situations, the correct outside temperature may not be displayed, or
the display may take longer than normal to change.
●When stopped, or driving at low speeds (less than 12 mph [20 km/h])
●When the outside temperature has changed suddenly (at the entrance/exit of a
garage, tunnel, etc.)