2017 Lexus IS200t engine

2634-5. Using the driving support systems
4
Driving
IS200t_EE(OM53D77E)
Press the LDA switch to turn the LDA
system on.
The LDA indicator illuminates and a
message is displayed on the multi-infor-
mation display.
Press the LDA switch again to turn the
LDA system off.
When the LDA system is turned on or
off, operation of the LDA system contin-
ues in the same condition the next time
the engine is started.
Turning LDA system on

2734-5. Using the driving support systems
4
Driving
IS200t_EE(OM53D77E)
●Side road speed signs may be detected and displayed (if positioned in sight of the cam-
era sensor) while the vehicle is traveling on the main road.
●Roundabout exit road speed signs may be detected and displayed (if positioned in sight
of the camera sensor) while traveling on a roundabout.
■When driving vehicle in country with different speed unit
Since RSA recognizes signs based on the set unit of the meter, it is necessary to change
the set unit of the meter. Adjust the set unit of the meter to the speed unit of signs in the
current location. ( P. 641)
■Turning the system on/off
■Speed limit sign display
If the engine switch was last turned off while a speed limit sign was displayed on the multi-
information display, the same sign displays again when the engine switch is turned to
IGNITION ON mode.
■Customization
Setting (e.g. speeding warning threshold) can be changed.
(Customizable feature: P. 107)
Select
on the settings display
(  P. 97)
Press on the steering wheel.
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2

2804-5. Using the driving support systems
IS200t_EE(OM53D77E)
Pressing the button changes the vehi-
cle-to-vehicle distance as follows:Long
Medium
Short
The vehicle-to-vehicle distance is set
automatically to long mode when the
engine switch is turned to IGNITION
ON mode.
If a vehicle is running ahead of you, the preceding vehicle mark will also be displayed.
Select a distance from the table below. Note that the distances shown corre-
spond to a vehicle speed of 80 km/h (50 mph). Vehicle-to-vehicle distance
increases/decreases in accordance with vehicle speed.
Pulling the lever toward you cancels
the speed control.
The speed control is also canceled when
the brake pedal is depressed.
Pushing the lever up resumes the
cruise control and returns vehicle
speed to the set speed.
However, cruise control does not
resume when the vehicle speed is
approximately 40 km/h (25 mph) or
less.
Changing the vehicle-to-vehicle di stance (vehicle-to-vehicle distance
control mode)
Preceding
vehicle mark
1
2
3
Vehicle-to-vehicle distance settings (vehicle-to-vehicle distance con-
trol mode)
Distance optionsVehicle-to-vehicle distance
LongApproximately 50 m (160 ft.)
MediumApproximately 40 m (130 ft.)
ShortApproximately 30 m (100 ft.)
Canceling and resuming the speed control
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2

2904-5. Using the driving support systems
IS200t_EE(OM53D77E)
◆When the shift lever is in D
■Stopping the engine
While driving with the shift lever in D,
depress the brake pedal and stop
the vehicle.
The Stop & Start indicator will come
on.
■Restarting the engine
Release the brake pedal.
The Stop & Start indicator will turn off.
Stop & Start system
: If equipped
The Stop & Start system stops and restarts the engine according to the brake
pedal or shift lever operation when the vehicle is stopped.
Stop & Start system operation

2914-5. Using the driving support systems
4
Driving
IS200t_EE(OM53D77E)
◆When the shift lever is shifted to P
■Stopping the engineWhile driving with the shift lever
in D, depress the brake pedal and
stop the vehicle.
The engine will be stopped by the
Stop & Start system and the Stop &
Start indicator will come on.
Shift the shift lever to P.
(  P. 209)
The engine will remain stopped.
The engine may restart if the shift lever is shifted from D to P immediately after the
engine is stopped by the Stop & Start sy stem. Additionally, if the engine is not
stopped by the Stop & Start system when vehicle is stopped with the shift lever in
D, it may be stopped by the Stop & Start system when the shift lever is shifted to P.
■Restarting the engine
With the brake pedal depressed, shift the shift lever to a position other than P.
(  P. 209)
If the brake pedal was released after the engine was stopped by the Stop & Start
system, the engine will restart when the brake pedal is depressed again. If the
brake pedal was not released after the engine was stopped by the Stop & Start sys-
tem, the engine will restart when the shift le ver is shifted to a position other than P.
1
2

2924-5. Using the driving support systems
IS200t_EE(OM53D77E)
Press the Stop & Start cancel switch to
disable the Stop & Start system.
The Stop & Start cancel indicator will
come on.
Pressing the switch again will enable the
Stop & Start system and the Stop & Start
cancel indicator will turn off.
■Automatic reactivation of the Stop & Start system
Even if the Stop & Start system is disabled by the Stop & Start cancel switch, it
will be automatically re-enabled once the engine switch is turned off and then
the engine is started.
■If the Stop & Start cancel switch is pressed while the vehicle is stopped
●When the engine is stopped by the St op & Start system, pressing the Stop
& Start cancel switch will restart the engine.
From the next time the vehicle is st opped (after Stop & Start system has
been disabled), the engine will not be stopped.
●With the Stop & Start system disabl ed, pressing the Stop & Start cancel
switch will re-enable the system but not stop the engine.
From the next time the vehicle is st opped (after Stop & Start system has
been enabled), the engine will be stopped.
Disabling the Stop & Start system

2934-5. Using the driving support systems
4
Driving
IS200t_EE(OM53D77E)
After the engine is stopped by the Stop & Start system when the vehicle is on an
incline, brake force is temporarily maintained to prevent rolling backwards until
the engine is restarted and drive force is generated.
When drive force is generated, the ma intained brake force is automatically
canceled.
●This function operates on flat surfaces as well as steep inclines.
●Sound may be generated from the brak es, but this is not a malfunction.
●Brake pedal response may change and vibration may occur, but these are not
malfunctions.
■Operating conditions
●The Stop & Start system is operational when all of the following conditions are met:
• The brake pedal is being depressed firmly.
• The shift lever is in D or P.
• Normal mode or Eco drive mode is selected as the driving mode.
• is off.
• The driver’s seat belt is fastened.
• The engine is adequately warmed up.
• The driver’s door is closed.
• The accelerator pedal is not being depressed.
• The outside temperature is -5°C (23°F) or higher.
• The hood is closed.
●In the following situations the engine may not be stopped by the Stop & Start system.
This is not a malfunction of the Stop & Start system.
• The air conditioning system is being used when the ambient temperature is high or
low.
• The battery is not sufficiently charged, such as if the vehicle has been parked for a long time and the battery charge has decreased, the electric load is large, the bat-
tery temperature is excessively low or the battery has deteriorated, or is undergoing
a periodic recharge.
• The brake booster vacuum is low.
• The vehicle is stoppe d on a steep incline.
• The steering wheel is being operated.
• Due to traffic or other circumstances the vehicle is stopped repeatedly.
• The vehicle is being driven in a high altitude area.
• Engine coolant temperature or transmissi on fluid temperature is extremely low or
high.
• The battery fluid temperature is extremely low or high.
• For a while after the battery terminals have been disconnected and reconnected.
• For a while after the battery has been replaced.
• Vehicles with a power heater: The power heater is being used.
Hill-start assist control

2944-5. Using the driving support systems
IS200t_EE(OM53D77E)
●In the following situations, the engine will restart automatically if the engine is stopped
by the Stop & Start system. (To enable stoppi ng of the engine by the Stop & Start sys-
tem, drive the vehicle.)
• The air conditioning system is turned on.
• is turned on.
• The steering wheel is operated.
• The shift lever is shifted to M, N or R from D.
• The shift lever is shifted from P.
• Sport mode or snow mode is selected as the driving mode.
• The driver’s seat belt is unfastened.
• The driver’s door is opened.
• The accelerator pedal is depressed.
• The Stop & Start cancel switch is pressed.
• The vehicle starts to roll on an incline.
• Vehicles with a power heater: The power heater is turned on.
●In the following situations, the engine may re start automatically if the engine is stopped
by the Stop & Start system. (To enable stoppi ng of the engine by the Stop & Start sys-
tem, drive the vehicle.)
• The brake pedal is pumped or strongly depressed.
• The air conditioning system is being used.
• The battery is not sufficiently charged.
■If the steering wheel is turned shortly after the engine has started
If the steering wheel is turned shortly after the engine has been started by the Stop &
Start system, the steering wheel may feel heavy.
■Hood
●If the hood is opened while the engine is stopped by the Stop & Start system with the
shift lever in D, the engine will stall and will not be able to be restarted by the automatic
engine start function. In this case, restart the engine using the normal engine starting
procedure. ( P. 204)
●If the hood is opened while the engine is stopped by the Stop & Start system with the
shift lever in P, the engine will be restarted automatically.
●Even if the hood is closed after the engine is started with the hood open, the Stop &
Start system will not operate. Close the hood, turn the engine switch off, wait 30 sec-
onds or more, and then start the engine.
■When to use the Stop & Start system
●When the system does not operate, is canceled, or is malfunctioning, warning mes-
sages and a warning buzzer are used to inform the driver. ( P. 296)
●If the engine switch is pressed when the en gine is stopped by the Stop & Start system,
the engine will stall and will not be able to be restarted by the automatic engine start
function. In this case, restart the engine using the normal engine starting procedure.
(  P. 204)
●When the engine is restarted by the Stop & Start system, the power outlet may be tem-
porarily unusable, but this is not a malfunction.
●Installation and removal of electrical components and wireless devices may affect the
Stop & Start system. Contact any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer for details.