2021 TOYOTA GR YARIS engine

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YARIS(GR) Owner's Manual_Europe_M52L09_en
4-5. Using the driving support systems
Driving
■Turning the lane centering
function ON/OFF
Press the LTA switch.
The lane centering function will change
between ON/OFF each time the switch
is pressed.
The current setting will be displayed on
the multi-information display.
Lane centering function ON
“LTA Steering Assist Active Lane
Centering Active”
Lane centering function OFF
“LTA Steering Assist Active”
■Turning the LTA system OFF
Press and hold the LTA switch
The LTA indicator light turns off when
the LTA is turned OFF.
Press the switch again to turn the sys-
tem on.
The LTA is turned ON each time the
engine switch is turned to ON.
However, the lane centering function
keeps either the ON/OFF state prior to
the engine switch being turned OFF.
LTA indicator
The illumination condition of the indica-
tor informs the driver of the system
operation status.
Illuminated in white: LTA system is
operating.
Illuminated in green: Steering wheel
assistance of the steering assist func-
tion or lane centering function is operat-
ing.
Flashing in orange: Lane departure
alert function is operating.
LTA system setting
Indications on multi-infor-
mation display

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4-5. Using the driving support systems
Driving
higher than the recognized
speed limit
Press and hold the “-SET” switch.
Dynamic Radar Cruise Control with
Road Sign Assist can be
enabled/disabled in on the
multi-information display. ( →P.361)
When the Dynamic Radar Cruise
Control with Road Sign Assist is
operating, while driving down a hill,
the vehicle speed may exceed the
set speed.
In this case, the displayed set vehi-
cle speed will be highlighted and a
buzzer will sound to alert the driver.
■Dynamic radar cruise control can be set when
●The shift lever is in range 2nd or higher.
●Depending on the control mode, this item can be set at the following
speeds. • Vehicle-to-vehicle distance control mode: Approximately 30 km/h (20
mph) or more
• Constant speed control mode:
Approximately 30 km/h (20 mph) or more
■Accelerating after setting the vehi-cle speed
The vehicle can accelerate by operating the accelerator pedal. After accelerat-ing, the set speed resumes. However,
during vehicle-to-vehicle distance con- trol mode, the vehicle speed may decrease below the set speed in order
to maintain the distance to the preceding vehicle.
■Shift position selection
Select a shift position according to the
vehicle speed. If the engine speed is too high or too low, control may be automat-ically canceled.
■Automatic cancelation of vehicle-
to-vehicle distance control mode
Vehicle-to-vehicle distance control mode is automatically canceled in the follow-
ing situations.
●Actual vehicle speed falls below
approximately 25 km/h (16 mph).
●VSC is activated.
●TRC is activated for a period of time.
●When the VSC or TRC system is turned off.
●The sensor cannot detect correctly because it is covered in some way.
●Pre-collision braking is activated.
●When the shift lever is in N or the
clutch pedal is depressed for a certain amount of time or more.
●The parking brake is operated.
If vehicle-to-vehicle distance control mode is automatically canceled for any
reasons other than the above, there may be a malfunction in the system. Contact any authorized Toyota retailer
or Toyota authorized repairer, or any reli- able repairer.
■Automatic cancelation of constant speed control mode
Constant speed control mode is auto-
Enabling/Disabling the
Dynamic Radar Cruise Con-
trol with Road Sign Assist

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4-5. Using the driving support systems
Driving
signs, display the incorrect sign, etc.
However, this does not indicate a mal-
function.
●The front camera is misaligned due to
a strong impact being applied to the
sensor, etc.
●Dirt, snow, stickers, etc., are on the
windshield near the front camera.
●In inclement weather such as heavy
rain, fog, snow or sand storms.
●Light from an oncoming vehicle, the
sun, etc., enters the front camera.
●The sign is dirty, faded, tilted or bent.
●The contrast of electronic sign is low.
●All or part of the sign is hidden by the
leaves of a tree, a pole, etc.
●The sign is only visible to the front
camera for a short amount of time.
●The driving scene (turning, lane
change, etc.) is judged incorrectly.
●If a sign not appropriate for the cur-
rently traveled lane, but the sign exists
directly after a freeway branches, or in
an adjacent lane just before merging.
●Stickers are attached to the rear of the
preceding vehicle.
●A sign resembling a system compati-
ble sign is recognized.
●Side road speed signs may be
detected and displayed (if positioned
in sight of the front camera) 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 front camera)
while traveling on a roundabout.
●The front of the vehicle is raised or
lowered due to the carried load.
●The surrounding brightness is not suf-
ficient or changes suddenly.
●When a sign intended for trucks, etc.,
is recognized.
●The vehicle is driven in a country with
a different direction of traffic.
●The navigation system map data is outdated.
●The navigation system is not operat-
ing.
●The speed information displayed on
the meter and on the navigation sys-
tem may be different due to the navi-
gation system using map data.
■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 ON.
■If “RSA Malfunction Visit Your
Dealer” is shown
The system may be malfunctioning.
Have the vehicle inspected by any
authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
■Customization
Some functions can be customized.
(Customizable features: →P.361)

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4-5. Using the driving support systems
■Stopping the engine
1Fully depress the clutch pedal
and depress the brake pedal to
stop the vehicle.
2Move the shift lever to N and
release the clutch pedal. The
engine will stop automatically.
When the engine is stopped by the Stop
& Start system, the Stop & Start indica-
tor will illuminate.
■Restarting the engine
With the shift lever in N, depress
the clutch pedal. The engine will
start automatically.
When the engine starts, the Stop &
Start indicator will turn off.
Press the Stop & Start cancel
switch to disable the Stop & Start
system.
The Stop & Start cancel indicator
will illuminate.
Pressing the switch again will enable
the Stop & Start system and the Stop &
Start cancel indicator will turn off.
■Automatic enabling of the Stop &
Start system
If the Stop & Start system is disabled
using the Stop & Start cancel switch, it
will be automatically re-enabled once
the engine switch is turned off and then
the engine is started.
■Points for use
●If the engine switch is pressed when
the engine is stopped by the Stop &
Start system, the engine 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.136)
●When the engine is being restarted by
the Stop & Start system, the power
outlets may be temporarily unusable,
but this does not indicate a malfunc-
tion.
Stop & Start system
The Stop & Start system stops
and starts the engine accord-
ing to clutch pedal or shift
lever operation when the vehi-
cle is stopped, such as at a
stoplight, intersection, etc., in
order to improve fuel economy
and reduce noise pollution
caused by the engine idling.
Stop & Start system opera-
tion
Disabling the Stop & Start
system

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4-5. Using the driving support systems
Driving
●Installation and removal of electrical
components and wireless devices
may affect the Stop & Start system.
Contact any authorized Toyota retailer
or Toyota authorized repairer, or any
reliable repairer for details.
●When stopping the vehicle for a lon-
ger period of time, turn the engine
switch off to stop the engine com-
pletely.
●When the engine is restarted by the
Stop & Start system, the steering
wheel may temporarily feel heavy.
■Operating conditions
●The Stop & Start system is operational
when all of the following conditions
are met:
• The vehicle has been driven a certain
amount of time.
• The clutch pedal is not depressed.
• The shift lever is in N.
• The driver’s seat belt is fastened.
• The driver’s door is closed.
• The selected driving modes are nor-
mal mode and track mode.
• The windshield defogger is off.
• The engine is adequately warmed up.
• The outside temperature is -5°C
(23°F) or higher.
• The hood and back door are closed.
(P.197)
●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.
• When the air conditioning system is
being used.
• When the battery is undergoing a peri-
odic recharge.
• When 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 battery fluid
temperature is excessively low or the
battery has deteriorated.
• When the brake booster vacuum is
low.
• When the elapsed time since the
engine was restarted is short.
• When the vehicle is stopped fre-quently, such as when in a traffic jam.
• When the engine coolant temperature
or transmission fluid temperature is
extremely low or high.
• When the steering wheel is being
operated.
• When the vehicle is being driven in a
high altitude area.
• When the battery fluid temperature is
extremely low or high.
• For a while after the battery terminals
have been disconnected and recon-
nected.
●When the engine is stopped by the
S t o p & S t a r t s y s t e m , t h e e n g i n e w i l l b e
restarted automatically if any of the
following conditions are met:
(To enable the engine to be stopped by
the Stop & Start system again, drive the
vehicle.)
• The air conditioning system is turned
on.
• The windshield defogger is turned on.
• The driver’s seat belt is unfastened.
• The driver’s door is opened.
• The driving mode is changed from
normal mode and track mode to
another mode.
• The Stop & Start cancel switch is
pressed.
• The steering wheel is operated.
• The vehicle starts to roll on an incline.
●When the engine is stopped by the
Stop & Start system, the engine may
restart automatically in the following
situations: (To enable the engine to be
stopped by the Stop & Start system
again, drive the vehicle.)
• When the brake pedal is pumped or
strongly depressed.
• When the air conditioning system is
being used.
• When a switch of the air conditioning
system is operated (windshield defog-
ger switch, etc.).
• If the battery charge becomes low.
■When the hood is opened
If the hood is opened while the engine is
stopped by the Stop & Start system, the
engine will stall and will not be able to be

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4-5. Using the driving support systems
restarted by the automatic engine start
function. In this case, restart the engine
using the normal engine starting proce-
dure. (P.136)
■When the hood or back door is
opened
If the hood or back door is closed after
the engine is started with the hood or
back door open, the Stop & Start system
will not operate. Close the hood and
back door turn the engine switch off,
wait 30 seconds or more, and then start
the engine.
■Air conditioning system operation
while the engine is stopped by the
Stop & Start system
Vehicles with an automatic air condition-
ing system: When the air conditioning is
in automatic mode and the engine is
stopped by the Stop & Start system, the
fan may operate at a low speed in order
to prevent the temperature in the cabin
from increasing or decreasing or may be
stopped.
To prioritize air conditioning system per-
formance when the vehicle is stopped,
disable the Stop & Start system by
pressing the Stop & Start cancel switch.
●If the windshield is fogged up
Turn the windshield defogger on.
(P.231)
If the windshield fogs up frequently,
press the Stop & Start cancel switch to
disable the Stop & Start system.
●If an odor is emitted from the air con-
ditioning system
Press the Stop & Start cancel switch to
deactivate the Stop & Start system.
■Changing the idling stop time with
the air conditioning system on
The length of time the Stop & Start sys-
tem will operate when the air condition-
ing system is on can be changed in
of the multi-information display (P.86).
(The length of time the Stop & Start sys-tem will operate when the air condition-
ing system is off cannot be changed.)
■Displaying the Stop & Start system
status
P. 9 1
■Multi-information display mes-
sages
If the following situations, and a
message may be displayed on the multi-
information display.
●When the engine cannot be stopped
by the Stop & Start system
“Non-Dedicated Battery”
• A battery not designed for use with a
Stop & Start system may have been
installed.
Have the vehicle inspected by any
authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
“Battery Charging”
• The battery charge may be low.
Stopping of the engine is temporarily
prohibited to prioritize charging of the
battery. After the engine runs for a cer-
tain amount of time, the system will be
enabled.
• A refresh charge may be occurring
After a refresh charge for up to an
hour completes, the system can be
operated.
• If displayed continuously for a long
time (more than an hour)
The battery may be deteriorated. Con-
tact any authorized Toyota retailer or
Toyota authorized repairer, or any reli-
able repairer for details.
“Stop & Start Unavailable”
• The Stop & Start system is temporarily
disabled.
Allow the engine to run for some time.

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4-5. Using the driving support systems
Driving
• The engine may have been started
with the hood open.
Close the hood, turn the engine
switch off, wait for 30 seconds or more,
and then start the engine.
“In Preparation”
• The vehicle is being driven in a high
altitude area.
“For Climate Control”
• The air conditioning system is being
used when the ambient temperature is
high or low.
If the difference between the set tem-
perature and cabin temperature
becomes small, the system will be
enabled.
• The windshield defogger is on.
●When the engine automatically
restarts while stopped by the Stop &
Start system
“For Climate Control”
• The air conditioning system has been
turned on or is being used.
• The windshield defogger has been
turned on.
“Battery Charging”
• The battery charge may be low.
The engine is restarted to prioritize
battery charging. After the engine runs
for a certain amount of time, the system
will be enabled.
●When the engine cannot be restarted
by the Stop & Start system
“Shift to N and Press Clutch to Restart”
When the engine is stopped by the
Stop & Start system, the shift lever was
moved to a position other than N without
depressing the clutch pedal.
■When the buzzer sounds
If the shift lever is shifted into a position
other than N with clutch pedal released when the engine is stopped by the Stop
& Start system, a buzzer will sound and
the Stop &Start system indicator will
flash. To stop the buzzer, put the shift
lever to N. Even in this situation, the
engine starts if the clutch pedal is
depressed.
■The Stop & Start system protection
function
●When the volume of the audio system
is excessively high, sound output from
the audio system may suddenly be cut
off in order to reduce battery con-
sumption. To prevent the audio sys-
tem from being cut off, keep the
volume of audio system at a moderate
level. If the audio system has been cut
off, turn the engine switch off, wait for
3 seconds or more and then turn it to
ACC or ON to re-enable the audio
system.
●The audio system may not be acti-
vated if the battery terminals are dis-
connected and then reconnected. If
this occurs, turn the engine switch off
and then repeat the following opera-
tion twice to activate the audio system
normally.
• Turn the engine switch to ON and
then to off.
■Replacing the battery
P. 3 4 3
■If the Stop & Start cancel indicator
flashes continuously
The system may be malfunctioning.
Have the vehicle inspected by any
authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.

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4-5. Using the driving support systems
WARNING
■When the Stop & Start system is operating
Make sure to disable the Stop & Start system while the vehicle is in a poorly ventilated area.
If not disabled, the engine may be automatically restarted unexpectedly, causing exhaust gases to collect and
enter the vehicle, possibly resulting in death or a serious health hazard.
●Do not leave the vehicle while the
engine is stopped by the Stop & Start system (while the Stop & Start indicator is on). An accident may
occur due to the automatic engine start function.
●Depress the brake pedal and apply the parking brake when necessary while the engine is stopped by the
Stop & Start system (while the Stop & Start indicator is on).
NOTICE
■To ensure the system operates correctly
If any of the following situations occur, the Stop & Start system may not oper-ate correctly. Have your vehicle
inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
●While the driver’s seat belt is fas-tened, the driver’s and front pas-senger’s seat belt reminder light
flashes.
●Even though the driver’s seat belt is
not fastened, the driver’s and front passenger’s seat belt reminder light does not illuminate.
●Even though the driver’s door is closed, the open door warning light
is illuminated or the interior light is illuminated when the interior light switch is in the door position.
●Even though the driver’s door is open, the open door warning light does not illuminate or the interior
light does not illuminate when the interior light switch is in the door position.
■If the engine stalls
If the Stop & Start system is enabled
and the clutch pedal is depressed quickly, the engine may restart.