TOYOTA YARIS 2020 Workshop Manual

511-1. For safe use
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For safety and security
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WARNING
■SRS airbag precautions
● Do not strike or apply significant levels of force to the area of the SRS
airbag components.
Doing so can cause the SRS airbags to malfunction.
● Do not touch any of the component parts immediately after the SRS
airbags have deployed (inflated) as they may be hot.
● If breathing becomes difficult after the SRS airbags have deployed, open a
door or window to allow fresh air in, or leave the vehicle if it is safe to do
so. Wash off any residue as soon as possible to prevent skin irritation.
● Vehicles without SRS curtain shield airbags: If the areas where the SRS
airbags are stored, such as the steering wheel pad, are damaged or
cracked, have them replaced by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer.
● Vehicles with SRS curtain shield airbags: If the areas where the SRS
airbags are stored, such as the steering wheel pad and front and rear pillar
garnishes, are damaged or cracked, have them replaced by any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
■ Modification and disposal of SRS airbag system components
Do not dispose of your vehicle or perform any of the following modifications
without consulting any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer. The SRS airbags may malfunction or
deploy (inflate) accidentally, causing death or serious injury.
● Installation, removal, disassembly and repair of the SRS airbags
● Repairs, modifications, removal or replacement of the steering wheel,
instrument panel, dashboard, seats or seat upholstery, front, side and rear
pillars or roof side rails
● Repairs or modifications of the front fender, front bumper, or side of the
occupant compartment
● Installation of a grille guard (bull bars, kangaroo bar, etc.), snow plows,
winches
● Modifications to the vehicle’s suspension system
● Installation of electronic devices such as mobile two-way radios (RF-trans-
mitter) and CD players

521-1. For safe use
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■If the SRS airbags deploy (inflate)
● Slight abrasions, burns, bruising, etc., may be sustained from SRS airbags,
due to the extremely high speed deployment (inflation) by hot gases.
● A loud noise and white powder will be emitted.
● Vehicles without SRS curtain shield airbags: Parts of the airbag module
(steering wheel hub, airbag cover and inflator) as well as the front seats may
be hot for several minutes. The airbag itself may also be hot.
● Vehicles with SRS curtain shield airbags: Parts of the airbag module (steer-
ing wheel hub, airbag cover and inflator) as well as the front seats, parts of
the front and rear pillars, and roof side rails, may be hot for several minutes.
The airbag itself may also be hot.
● The windshield may crack.
■ SRS airbag deployment conditions (SRS front airbags)
● The SRS front airbags will deploy in the event of an impact that exceeds
the set threshold level (the level of force corresponding to an approximately
20 - 30 km/h [12 - 18 mph] frontal collision with a fixed wall that does not
move or deform).
However, this threshold velocity will be considerably higher in the following
situations:
• If the vehicle strikes an object, such as a parked vehicle or sign pole,
which can move or deform on impact
• If the vehicle is involved in an underride collision, such as a collision in
which the front of the vehicle “underrides”, or goes under, the bed of a
truck
● Depending on the type of collision, it is possible that only the seat belt pre-
tensioners will activate.
■ SRS airbag deployment conditions (SRS side airbags and SRS curtain
shield airbags [if equipped])
● The SRS side airbags and SRS curtain shield airbags will deploy in the
event of an impact that exceeds the set threshold level (the level of force
corresponding to the impact force produced by an approximately 1500 kg
[3300 lb.] vehicle colliding with the vehicle cabin from a direction perpendic-
ular to the vehicle orientation at an approximate speed of 20 - 30 km/h
[12 - 18 mph]).
● The SRS curtain shield airbags may also deploy in the event of a severe
frontal collision.

531-1. For safe use
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For safety and security
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■ Conditions under which the SRS airbags may deploy (inflate), other than
a collision
The SRS front airbags and SRS curtain shield airbags (if equipped) may also
deploy if a serious impact occurs to the underside of your vehicle. Some
examples are shown in the illustration.
■ Types of collisions that may not deploy the SRS airbags (SRS front
airbags)
The SRS front airbags do not generally infl ate if the vehicle is involved in a
side or rear collision, if it rolls over, or if it is involved in a low-speed frontal
collision. But, whenever a collision of any type causes sufficient forward
deceleration of the vehicle, deployment of the SRS front airbags may occur.
● Hitting a curb, edge of pavement or hard
surface
● Falling into or jumping over a deep hole
● Landing hard or falling
● Collision from the side
● Collision from the rear
● Vehicle rollover

541-1. For safe use
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■ Types of collisions that may not deploy the SRS airbags
(SRS side airbags and SRS curtai n shield airbags [if equipped])
The SRS side airbags and SRS curtain shield airbags may not activate if the
vehicle is subjected to a collision from the side at certain angles, or a collision
to the side of the vehicle body other than the passenger compartment.
The SRS side airbags do not generally inflate if the vehicle is involved in a
frontal or rear collision, if it rolls ov er, or if it is involved in a low-speed side
collision.
The SRS curtain shield airbags do not generally inflate if the vehicle is
involved in a rear collision, if it rolls over, or if it is involved in a low-speed side
or low-speed frontal collision.
● Collision from the side to the vehicle
body other than the passenger compart-
ment
● Collision from the side at an angle
●Collision from the front
● Collision from the rear
● Vehicle rollover
●Collision from the rear
● Vehicle rollover

551-1. For safe use
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For safety and security
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■ When to contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer
In the following cases, the vehicle will require inspection and/or repair. Con-
tact any authorized Toyota retailer or Toyota authorized repairer, or any reli-
able repairer as soon as possible.
● Any of the SRS airbags have been inflated.
● The front of the vehicle is damaged or
deformed, or was involved in an acci-
dent that was not severe enough to
cause the SRS front airbags to inflate.
● A portion of a door or its surrounding
area is damaged or deformed, or the
vehicle was involved in an accident that
was not severe enough to cause the
SRS side airbags and SRS curtain
shield airbags (if equipped) to inflate.
● Vehicles without an SRS driver knee
airbag: The pad section of the steering
wheel or dashboard near the front pas-
senger airbag is scratched, cracked, or
otherwise damaged.
● Vehicles with an SRS driver knee airbag:
The pad section of the steering wheel,
dashboard near the front passenger
airbag or lower portion of the instrument
panel is scratched, cracked, or other-
wise damaged.

561-1. For safe use
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● The surface of the seats with the side
airbag is scratched, cracked, or other-
wise damaged.
● Vehicles with SRS curtain shield
airbags: The portion of the front pillars,
rear pillars or roof side rail garnishes
(padding) containing the curtain shield
airbags inside is scratched, cracked, or
otherwise damaged.

571-1. For safe use
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For safety and security
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Exhaust gas precautions
Harmful substance to the human body is included in exhaust
gases if inhale.
WARNING
Exhaust gases include harmful carbon monoxide (CO), which is colorless and
odorless. Observe the following precautions.
Failure to do so may cause exhaust gases enter the vehicle and may lead to
an accident caused by light-headedness, or may lead to death or a serious
health hazard.
■ Important points while driving
● Keep the back door closed.
● If you smell exhaust gases in the vehicle even when the back door is
closed, open the windows and have the vehicle inspected at any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer
as soon as possible.
■ When parking
● If the vehicle is in a poorly ventilated area or a closed area, such as a
garage, stop the engine.
● Do not leave the vehicle with the engine running for a long time.
If such a situation cannot be avoided, park the vehicle in an open space
and ensure that exhaust fumes do not enter the vehicle interior.
● Do not leave the engine running in an area with snow build-up, or where it
is snowing. If snowbanks build up around the vehicle while the engine is
running, exhaust gases may collect and enter the vehicle.
■ Exhaust pipe
The exhaust system needs to be checked periodically. If there is a hole or
crack caused by corrosion, damage to a joint or abnormal exhaust noise, be
sure to have the vehicle inspected and repaired by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.

581-2. Child safety
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Airbag manual on-off system
“PASSENGER AIR BAG” indi-
cator
Vehicles without a smart entry
& start system
The “ON” indicator light turns
on when the airbag system is
on (only when the engine
switch is in the “ON” position).
Vehicles with a smart entry &
start system
The “ON” indicator light turns
on when the airbag system is
on (only when the engine
switch is in IGNITION ON
mode).
Airbag manual on-off switch
This system deactivates the front passenger airbag.
Only deactivate the airbags when using a child restraint system
on the front passenger seat.
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2

591-2. Child safety
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For safety and security
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Vehicles without a smart entry
& start system
Insert the key into the cylinder
and turn to the “OFF” position.
The “OFF” indicator light turns on
(only when the engine switch is in
the “ON” position).
Vehicles with a smart entry &
start system
Insert the mechanical key into the cylinder and rotate to the “OFF”
position.
The “OFF” indicator light turns on (only when the engine switch is in IGNI-
TION ON mode).
■ “PASSENGER AIR BAG” indicator information
If any of the following problems occur, it is possible that there is a malfunction
in the system. Have the vehicle inspected by any authorized Toyota retailer or
Toyota authorized repairer, or any reliable repairer.
● Neither “ON” nor “OFF” comes on.
● The indicator light does not change when the airbag manual on-off switch is
switched to “ON” or “OFF”.
Deactivating the airbags for the front passenger

601-2. Child safety
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WARNING
■When installing a child restraint system
For safety reasons, always install a child restraint system in a rear seat. In
the event that the rear seat cannot be used, the front seat can be used as
long as the airbag manual on-off system is set to “OFF”.
If the airbag manual on-off system is left on, the strong impact of the airbag
deployment (inflation) may cause serious injury or even death.
■ When a child restraint system is not installed on the front passenger
seat
Ensure that the airbag manual on-off system is set to “ON”.
If it is left off, the airbag may not deploy in the event of an accident, which
may result in serious injury or even death.