stop start TOYOTA YARIS 2018 Owner's Guide

3074-6. Using the driving support systems
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Driving
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■ Reduced effectiveness of the EPS system
The effectiveness of the EPS system is reduced to prevent the system from
overheating when there is frequent steering input over an extended period of
time. The steering wheel may feel heavy as a result. Should this occur, refrain
from excessive steering input or stop the vehicle and turn the hybrid system
off. The EPS system should return to normal within 10 minutes.
■ Operating conditions of hill-start assist control
When the following four conditions are me t, the hill-start assist control will
operate:
● The shift lever is in a position other than P or N (when starting off forward/
backward on an upward incline).
● The vehicle is stopped.
● The accelerator pedal is not depressed.
● The parking brake is not engaged.
■ Automatic system cancelation of hill-start assist control
The hill-start assist control will turn off in any of the following situations:
● The shift lever is shifted to P or N.
● The accelerator pedal is depressed.
● The parking brake is engaged.
● 2 seconds at maximum elapsed after the brake pedal is released.
■ Operating conditions of emergency brake signal
When the following three conditions are met, the emergency brake signal will
operate:
● The emergency flashers are off.
● Actual vehicle speed is over 55 km/h (35 mph).
● The brake pedal is depressed in a manner that cause the system to judge
from the vehicle deceleration that this is a sudden braking operation.
■ Automatic system cancelation of emergency brake signal
The emergency brake signal will turn off in any of the following situations:
● The emergency flashers are turned on.
● The brake pedal is released.
● The system judges from the vehicle deceleration that is not a sudden brak-
ing operation.

3084-6. Using the driving support systems
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WARNING
■The ABS does not operate effectively when
● The limits of tire gripping performance have been exceeded (such as
excessively worn tires on a snow covered road).
● The vehicle hydroplanes while driving at high speed on wet or slick roads.
■ Stopping distance when the ABS is operating may exceed that of nor-
mal conditions
The ABS is not designed to shorten t he vehicle’s stopping distance. Always
maintain a safe distance from the vehicle in front of you, especially in the
following situations:
● When driving on dirt, gravel or snow-covered roads
● When driving with tire chains
● When driving over bumps in the road
● When driving over roads with potholes or uneven surfaces
■ TRC/VSC may not operate effectively when
Directional control and power may not be achievable while driving on slip-
pery road surfaces, even if the TRC/VSC system is operating.
Drive the vehicle carefully in conditions where stability and power may be
lost.
■ Hill-start assist control does not operate effectively when
● Do not overly rely on hill-start assist control. Hill-start assist control may
not operate effectively on steep inclines and roads covered with ice.
● Unlike the parking brake, hill-start assist control is not intended to hold the
vehicle stationary for an extended period of time. Do not attempt to use
hill-start assist control to hold the vehicle on an incline, as doing so may
lead to an accident.
■ When the VSC is activated
The slip indicator light flashes. Always drive carefully. Reckless driving may
cause an accident. Exercise particular care when the indicator light flashes.

4157-1. Maintenance and care
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Maintenance and care
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■Automatic car washes
● Fold the mirrors and remove the antenna before washing the vehicle. Start
washing from the front of the vehicle. Make sure to re-install the antenna
and extend the mirrors before driving.
● Brushes used in automatic car washes may scratch the vehicle surface and
harm your vehicle’s paint.
● Rear spoiler (if equipped) may not be washable in some automatic car
washes. There may also be an increased risk of damage to vehicle.
■ High pressure car washes
● Do not allow the nozzles of the car wash to come within close proximity of
the windows and door borders, and high mounted stoplight.
● Before using the car wash, check that the fuel filler door on your vehicle is
closed properly.
■ When using a car wash (vehicles with a smart entry & start system
equipped with entry function)
If the door handle becomes wet while the electronic key is within the effective
range, the door may lock and unlock repeatedly. Place the key in a position
2 m (6 ft.) or more separate from the vehicle while the vehicle is being
washed. (Take care to ensure that the key is not stolen.)
■ Aluminum wheels (if equipped)
● Remove any dirt immediately by using a neutral detergent.
● Wash detergent off with water immediately after use.
● To protect the paint from damage, make sure to observe the following pre-
cautions.
• Do not use acidic, alkaline or abrasive detergent
• Do not use hard brushes
• Do not use detergent on the wheels when they are hot, such as after driv-
ing or parking in hot weather
■ Bumpers
Do not scrub with abrasive cleaners.

505
8When trouble arises
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8-1. Essential information
Emergency flashers ........... 506
If your vehicle has to
be stopped in
an emergency .................. 507
8-2. Steps to take in
an emergency
If your vehicle needs to
be towed .......................... 509
If you think something is
wrong ............................... 516
If a warning light turns on
or a warning buzzer
sounds ............................. 517
If a warning message is
displayed (vehicles with
color display) ................... 531
If you have a flat tire
(vehicles with
an emergency tire
puncture repair kit)........... 537
If you have a flat tire
(vehicles with
a spare tire) ..................... 556
If the hybrid system will
not start............................ 571
If the electronic key does
not operate properly
(vehicles with a smart
entry & start system)........ 573
If the vehicle 12-volt
battery is discharged ....... 576
If your vehicle overheats .... 581
If the vehicle becomes
stuck ................................ 587

5078-1. Essential information
8
When trouble arises
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If your vehicle has to be stopped in an
emergency
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase the effort
required to slow the vehicle.
Shift the shift lever to N.
If the shift lever is shifted to N
After slowing down, stop the vehicle in a safe place by the road.
Stop the hybrid system.
If the shift lever cannot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicle
speed as much as possible.
Vehicles without a smart entry
& start system: Stop the hybrid
system by turning the power
switch to the “ACC” position.
Only in an emergency, such as if it becomes impossible to stop
the vehicle in the normal way, stop the vehicle using the follow-
ing procedure:
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4
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5088-1. Essential information
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Vehicles with a smart entry &
start system: To stop the hybrid
system, press and hold the
power switch for 3 consecutive
seconds or more, or press it
briefly 3 times or more in suc-
cession.
Stop the vehicle in a safe place by the road.
Press and hold for 3 seconds or
more, or press briefly 3 times or more
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WARNING
■ If the hybrid system has to be turned off while driving
● Power assist for the steering wheel will be lost, making the steering wheel
heavier to turn. Decelerate as much as possible before turning off the
hybrid system.
● Vehicles without a smart entry & start system: Never attempt to remove
the key, as doing so will lock the steering wheel.
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5358-2. Steps to take in an emergency
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When trouble arises
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■If “Hybrid system overheated. Reduced output power.” is
shown
This message may be shown when driving under severe operating
conditions. (For example, when driving up a long steep hill.)
Handling method: P. 581
■If “Hybrid battery low. Hybrid system stopped. Shift to P and
restart.” is shown
Message is displayed when the remaining charge for the hybrid
battery (traction battery) is low, because vehicle has been shifted to
N for a long period of time.
When operating the vehicle, shift to P and restart the hybrid system.
■If “Hybrid battery low. Shift out of N to recharge.” is shown
Message is displayed when the remaining charge for the hybrid
battery (traction battery) is low.
As the hybrid battery (traction battery) cannot be charged when the
shift lever is in N, when stopped for long periods of time shift the
shift lever to P.
■If “Shift is in N. Release accelerator before shifting.” is shown
Message is displayed when the accelerator pedal has been
depressed and the shift lever is in N.
Release the accelerator pedal and shift the shift lever to D or R.
■If “Auto power off to conserve battery” is shown
The power switch has been turned off by the automatic power off
function.
When starting the hybrid system next time, operate the hybrid sys-
tem for approximately 5 minutes to recharge the 12-volt battery

5758-2. Steps to take in an emergency
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When trouble arises
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■Stopping the hybrid system
Shift the shift lever to P and press the power switch as you normally do when
stopping the hybrid system.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery is depleted.
( P. 477)
■ Changing power switch modes
Release the brake pedal and press the power switch in step above.
The hybrid system does not start and modes will be changed each time the
switch is pressed. ( P. 222)
■ When the electronic key does not work properly
● Make sure that the smart entry & start system has not been deactivated in
the customization setting. If it is off, turn the function on.
(Customizable features: P. 606)
● Check if battery-saving mode is set. If it is set, cancel the function.
( P. 167)
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5838-2. Steps to take in an emergency
8
When trouble arises
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Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the hybrid system and turn the air conditioning system on to
check that the radiator cooling fan operates and to check for
coolant leaks from the radiator or hoses.
The fan operates when the air condi tioning system is turned on immedi-
ately after a cold start. Confirm that the fan is operating by checking the
fan sound and air flow. If it is difficult to check these, turn the air condi-
tioning system on and off repeatedly.
(The fan may not operate in freezing temperatures.)
If the fan is not operating:
Stop the hybrid system immediately and contact any authorized
Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
If the fan is operating:
Have the vehicle inspected at the nearest any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
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5858-2. Steps to take in an emergency
8
When trouble arises
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Start the hybrid system and check for the hybrid system overheat
warning light (with monochrome display) or warning message
(with color display).
If the warning light (with monochrome display) or warning mes-
sage (with color display) does not go off:
Stop the hybrid system and contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
If the warning light (with monochrome display) or warning mes-
sage (with color display) goes off:
Have the vehicle inspected at the nearest any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
WARNING
■ To prevent an accident or injury when inspecting under the hood of
your vehicle
● If steam is seen coming from under the hood, do not open the hood until
the steam has subsided. The engine compartment may be very hot, caus-
ing serious injuries such as burns.
● After the hybrid system has been turned off, check that the indicator on the
power switch and the “READY” indicator are off.
When the hybrid system is operating, the gasoline engine may automati-
cally start, or the cooling fans may suddenly operate even if the gasoline
engine stops. Do not touch or approach rotating parts such as the fan,
which may lead to fingers or clothing (especially a tie, a scarf or a muffler)
getting caught, resulting in serious injury.
● Do not loosen the coolant reservoir cap while the hybrid system and radia-
tor are hot.
Serious injuries, such as burns, may result from hot coolant and steam
released under pressure.
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