TOYOTA YARIS 2019 Owners Manual

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● In the following situations, the engine may start even without the brake
pedal being released (Multidrive) or clutch pedal being depressed (manual
transmission).
• The brake pedal is pumped or strongly depressed.
• The air conditioning system is being used or turned on.
• Vehicles with an automatic air conditioning system: The windshield
defogger is turned on.
• The battery is not sufficiently charged.
• The vehicle starts to roll on an incline.
• Vehicles with a Multidrive: The hood is opened when the shift lever is in N
or P.
• Vehicles with a Multidrive: The shift lever is shifted into a position other
than N or P.
• The accelerator pedal is depressed.
• A large amount of electricity is being used.
• The driver’s door is opened.
• The driver’s seat belt is unfastened.
● In the following situations, it may take longer than normal for the Stop & Start
system to activate.
• The battery is discharged.
• After the battery terminals have been disconnected and reconnected
after a battery replacement, etc.
• The engine coolant temperature is low.
■ Automatic reactivation of the Stop & Start system
Vehicles without a smart entry & 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 to the
“LOCK” position then to the “START” position.
Vehicles with a smart entry & 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 then
the engine is started.

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■ The Stop & Start system protection feature
Vehicles without a smart entry & start system
When an excessively loud sound is being projected by the audio system, the
audio system may be automatically cut off in order to maintain power for the
Stop & Start system function.
If this occurs, turning the engine switch to the “LOCK” position then to the
“ACC” or “ON” position re -enables the audio system.
Vehicles with a smart entry & start system
When an excessively loud sound is being projected by the audio system, the
audio system may be automatically cut off in order to maintain power for the
Stop & Start system function.
If this occurs, turning the engine switch off then to ACCESSORY mode or
IGNITION ON mode re-enables the audio system.
■ Hood
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 seconds or more, and then start the engine. ( P. 243, 246)
Vehicles with a Multidrive: If the hood is opened while the engine is stopped
by the Stop & Start system and the shift lever is in N or P, the engine will
restart.
■ When to use the Stop & Start system
When the system does not operate, is canceled, or is malfunctioning, warning
messages (vehicles with color display only) and a warning buzzer are used to
inform the driver. ( P. 343)
■ Stop & Start system warning buzzer
If the engine is stopped by the Stop & Start system and either of the following
actions is performed, a buzzer will sound and the Stop & Start indicator will
flash (Multidrive), or a buzzer will sound (manual transmission). This indi-
cates that the engine is only stopped by the Stop & Start system, not that the
engine has been turned off completely.
Vehicles with a Multidrive
The driver’s door is opened when the shift lever is in D or M.
Vehicles with a manual transmission
The shift lever is shifted into a position other than N with the clutch pedal
released.

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■ Multi-information display messages (vehicles with color display)
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
MessageDetails
“For climate con-
trol.”
• The air conditioning system is being
used when the ambient temperature is
high or low.
If the difference between the set tempera-
ture and cabin temperature is small, the
system will be enabled.
• The windshield defogger is turned on.
“Battery charging.”
• The battery charge amount may be low.
Engine stop is temporarily prohibited to
prioritize charging of the battery, but if the
engine is operated for a short while,
engine stop is allowed.
• A refresh charge may be occurring
such as when the battery is undergoing
a periodic recharge, for a while after the
battery terminals have been discon-
nected and reconnected, for a while
after the battery has been replaced, etc.
After a refresh charge of approximately 5
to 60 minutes completes, the system can
be operated.
• The engine may have been started with
the hood opened.
Close the hood, turn the engine switch off,
wait 30 seconds or more, and then start
the engine.
●If the message is displayed continuously
(60 minutes or more), the battery may
have deteriorated. Contact any authorized
Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
“For brake sys-
tem.”
• The vehicle is being driven in a high
altitude area.
• The brake booster vacuum is low.
When the brake booster vacuum reaches
a predetermined level, the system will be
enabled.

3444-6. Using the driving support systems
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● When the engine automatically restarts while stopped by the Stop & Start
system
“Bonnet open.”
The engine has been started with the
hood opened.
To enable the system, close the hood, turn
the engine switch off, wait for a short
while, and then start the engine.
“Driver seat belt
unbuckled.”The driver seat belt is not fastened.
MessageDetails
MessageDetails
“For climate con-
trol.”
• The air conditioning system has been
turned on or is being used.
• The windshield defogger is turned on.
“For brake sys-
tem.”
The brake pedal has been depressed fur-
ther or pumped.
The system will be enabled after the
engine runs and the brake booster vac-
uum reaches a predetermined level.
“Battery charging.”
The battery charge amount may be low.
The engine is restarted to prioritize battery
charging. Operating the engine for a short
while allows the system to recover.
“Bonnet open.”The hood has been opened.
“Driver seat belt
unbuckled.”The driver seat belt has been unfastened.

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● Vehicles with a manual transmission: When the engine cannot be restarted
by the Stop & Start system
■ If the Stop & Start cancel indicator continues to flash
The Stop & Start system may be malfunctioning. Contact any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer.
■ If the windshield is fogged up while the engine is stopped by the Stop &
Start system
Vehicles with an automatic air conditioning system
Turn the windshield defogger on. (The engine will start due to the automatic
engine start function.) ( P. 444)
Vehicles with a manual air conditioning system
Vehicles with a Multidrive:
Restart the engine by releasing the brake pedal (when the shift lever is in D
or M) or depress the brak e pedal and shift the shift lever to D or M (when
the shift lever is in N or P) ( P. 338), or by pressing the Stop & Start cancel
switch, and then set the air outlet selector dial to . ( P. 434)
Vehicles with a manual transmission:
Restart the engine by depressing the clutch pedal ( P. 338), or by pressing
the Stop & Start cancel switch, and then set the air outlet selector dial to
. ( P. 434)
If the windshield fogs up frequently, press the Stop & Start cancel switch to
deactivate the system.
MessageDetails
“Stop & Start sys-
tem active. Shift to
N and depress
clutch to restart.”
The shift lever has been shifted from N to
another position with the clutch pedal
released.
To restart the engine, shift the shift lever to
N and then depress the clutch pedal.

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■ Air conditioning system operation while the engine is stopped by the
Stop & Start system
● If the air conditioning system is being used in automatic mode, the fan
speed may be reduced or the fan may be stopped while the engine is
stopped by the Stop & Start system in order to reduce changes in the cabin
temperature.
● To ensure air conditioning system performance when the vehicle is stopped,
disable the Stop & Start system by pressing the Stop & Start cancel switch.
■ The Stop & Start system operation time and Stop & Start system total
operation time display
 P. 121
■ When replacing the battery
 P. 634
WARNING
■When the Stop & Start system is operating
● Keep the shift lever in N (manual transmission) and apply the brake pedal
or parking brake for safety while the engine is stopped due to the Stop &
Start system (while the Stop & Start indicator is on).
Unexpected accidents may occur due to the automatic engine start func-
tion.
● Do not leave the vehicle while the engine is stopped due to the Stop &
Start system (while the Stop & Start indicator is on).
Unexpected accidents may occur due to the automatic engine start func-
tion.
● Ensure that the engine is not stopped by the Stop & Start system while the
vehicle is in a poorly ventilated area. The engine may restart due to the
automatic engine start function, causing exhaust gases to collect and
enter the vehicle and resulting in death or a serious health hazard.

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NOTICE
■To ensure the system operates correctly
If any one of the following situations occurs, the Stop & Start system may
not operate correctly, thus, please have your vehicle checked by any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
● While the driver’s seat belt is fastened, the driver’s and front passenger’s
seat belt reminder light flashes.
● Even when the driver’s seat belt is not fastened, the driver’s and front pas-
senger’s seat belt reminder light remains off.
● Vehicles with monochrome display: Even though the driver’ 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.
● Vehicles with color display: Even though the driver’ door is closed, the
open door warning is displayed on the multi-information display or the inte-
rior light is illuminated when the interior light switch is in the door position.
● Vehicles with monochrome display: Even though the driver’ 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.
● Vehicles with color display: Even though the driver’ door is open, the open
door warning is not displayed on the multi-information display or the inte-
rior light does not illuminate when the interior light switch is in the door
position.

3484-6. Using the driving support systems
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Driving assist systems
◆ABS (Anti-lock Brake System)
Helps to prevent wheel lock when the brakes are applied suddenly,
or if the brakes are applied while driving on a slippery road surface
◆Brake assist
Generates an increased level of braking force after the brake pedal
is depressed when the system detects a panic stop situation
◆VSC (Vehicle Stability Control) (if equipped)
Helps the driver to control skidding when swerving suddenly or
turning on slippery road surfaces
◆TRC (Traction Control) (if equipped)
Helps to maintain drive power and prevent the drive wheels from
spinning when starting the vehicle or accelerating on slippery roads
◆Hill-start assist control (if equipped)
Helps to reduce the backward movement of the vehicle when start-
ing on an uphill
◆EPS (Electric Power Steering)
Employs an electric motor to reduce the amount of effort needed to
turn the steering wheel
◆Emergency brake signal
When the brakes are applied suddenly, the emergency flashers
automatically flash to alert the vehicle behind.
To help enhance driving safety and performance, the following
systems operate automatically in response to various driving
situations. Be aware, however, that these systems are supple-
mentary and should not be relied upon too heavily when operat-
ing the vehicle.

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The slip indicator light will flash
while the TRC/VSC systems are
operating.
If the vehicle gets stuck in mud, dirt or snow, the TRC system may
reduce power from the engine to the wheels. Pressing to turn the
system off may make it easier for you to rock the vehicle in order to
free it.
To turn the TRC system off,
quickly press and release .
Vehicles with monochrome dis-
play: The “TRC OFF” indicator
light will come on.
Vehicles with color display: The
“TRC off” will be shown on the
multi-information display.
Press again to turn the system back on.
When the TRC/VSC systems are operating
Disabling the TRC system

3504-6. Using the driving support systems
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■Turning off both TRC and VSC systems
Vehicles with monochrome display
To turn the TRC and VSC systems off, press and hold for more than 3
seconds while the vehicle is stopped.
The “TRC OFF” indicator light and the VSC OFF indicator light will come on.
Press again to turn the systems back on.
Vehicles with color display
To turn TRC and VSC systems off, press and hold for more than 3 sec-
onds while the vehicle is stopped.
The VSC OFF indicator light will come on and the “TRC off” will be shown on
the multi-information display.*
Press again to turn the systems back on.
*: On vehicles with pre-crash safety system, pre-crash brake assist and pre-
crash braking will also be disabled. The PCS warning light will come on.
( P. 309)
■ When the “TRC OFF” indicator light comes on even if has not been
pressed (vehicles with monochrome display)
TRC is temporary deactivated. If the indicator light continues to remain on,
contact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
■ When the message is displayed on the multi-information display show-
ing that TRC has been disabled even if has not been pressed (vehi-
cles with color display)
TRC is temporary deactivated. If the information continues to show, contact
any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.