TOYOTA YARIS HATCHBACK 2019 Service Manual

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The pretensioners help the seat belts to quickly restrain the occupants
by retracting the seat belts when the vehicle is subjected to certain
types of severe frontal or side collision.
The pretensioners do not activate in t he event of a minor frontal impact, a
minor side impact, a rear impact or a vehicle rollover.
■ Emergency locking retractor (ELR)
The retractor will lock the belt during a sudden stop or on impact. It may also
lock if you lean forward too quickly. A slow, easy motion will allow the belt to
extend so that you can move around fully.
■ Child seat belt usage
The seat belts of your vehicle were principally designed for persons of adult
size.
● Use a child restraint system appropriate for the child, until the child
becomes large enough to properly wear the vehicle’s seat belt. ( P. 6 2 )
● When the child becomes large enough to properly wear the vehicle’s seat
belt, follow the instructions regarding seat belt usage. ( P. 38)
■ Having the belt replaced after the pretensioner has been activated
If the vehicle is involved in multiple collisions, the pretensioner will activate for
the first collision, but will not activate for the second or subsequent collisions.
■ Seat belt regulations
If seat belt regulations exist in the country where you reside, please contact
any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer for seat belt repl acement or installation.
Seat belt pretensioners
Vehicles without rear seatsVehicles with rear seats

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WARNING
Observe the following precautions to reduce the risk of injury in the event of
sudden braking, sudden swerving or an accident.
Failure to do so may cause death or serious injury.
■ Wearing a seat belt
● Ensure that all passengers wear a seat belt.
● Always wear a seat belt properly.
● Each seat belt should be used by one person only. Do not use a seat belt
for more than one person at once, including children.
● Toyota recommends that children be seated in the rear seat and always
use a seat belt and/or an appropriate child restraint system.
● To achieve a proper seating position, do not recline the seat more than
necessary. The seat belt is most effective when the occupants are sitting
up straight and well back in the seats.
● Do not wear the shoulder belt under your arm.
● Always wear your seat belt low and snug across your hips.
■ Pregnant women
Obtain medical advice and wear the seat
belt in the proper way. ( P. 38)
Women who are pregnant should posi-
tion the lap belt as low as possible over
the hips in the same manner as other
occupants, extending the shoulder belt
completely over the shoulder and avoid-
ing belt contact with the rounding of the
abdominal area.
If the seat belt is not worn properly, not
only the pregnant woman, but also the
fetus could suffer death or serious injury
as a result of sudden braking or a colli-
sion.

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WARNING
■People suffering illness
Obtain medical advice and wear the seat belt in the proper way. ( P. 38)
■ When children are in the vehicle
 P. 8 0
■ Seat belt pretensioners
If the pretensioner has activated, the SRS warning light will come on. In that
case, the seat belt cannot be used again and must be replaced at any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
■ Seat belt damage and wear
● Do not damage the seat belts by allowing the belt, plate, or buckle to be
jammed in the door.
● Inspect the seat belt system periodically. Check for cuts, fraying, and loose
parts. Do not use a damaged seat belt until it is replaced. Damaged seat
belts cannot protect an occupant from death or serious injury.
● Ensure that the belt and plate are locked and the belt is not twisted.
If the seat belt does not function correctly, immediately contact any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
● Replace the seat assembly, including the belts, if your vehicle has been
involved in a serious accident, even if there is no obvious damage.
● Do not attempt to install, remove, modify, disassemble or dispose of the
seat belts. Have any necessary repairs carried out by any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer. Inap-
propriate handling may lead to incorrect operation.

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WARNING
■When using the rear center seat belt
● Do not allow anyone sit on the rear center seat if the rear right seat is
folded down, as the seat belt buckle for the rear center seat belt is then
concealed under the folded seat and cannot be used.
● Do not use the rear center seat belt with
either buckle released.
Fastening only one of the buckles may
result in death or serious injury in case
of sudden braking or a collision.

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SRS airbags
◆SRS front airbags
SRS driver airbag/front passenger airbag
Can help protect the head and chest of the driver and front passen-
ger from impact with interior components
SRS driver knee airbag (if equipped)
Can help provide driver protection
◆SRS side and curtain shield airbags
SRS side airbags
Can help protect the torso of the front seat occupants
SRS curtain shield airbags (if equipped)
Can help protect primarily the head of occupants in the outer seats
The SRS airbags inflate when the vehicle is subjected to certain
types of severe impacts that may cause significant injury to the
occupants. They work together with the seat belts to help reduce
the risk of death or serious injury.
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2
3
4

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*: If equipped
SRS airbag system components
Seat belt pretensioners and
force limiters (front seats)
Side impact sensors (front)
Side airbags
Curtain shield airbags*
Seat belt pretensioners and
force limiters (rear outboard
seats)*
Side impact sensors (rear)*
Side impact sensors
(front door)*
Driver airbag
SRS warning light
Driver knee airbag*
Airbag sensor assembly
Front impact sensor
Airbag manual on-off switch
Front passenger airbag
“PASSENGER AIR BAG” indi-
cator
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2
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4
5
6
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9
10
11
12
13
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15

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The main SRS airbag system components are shown above. The
SRS airbag system is controlled by the airbag sensor assembly. As
the airbags deploy, a chemical reaction in the inflators quickly fills the
airbags with non-toxic gas to help restrain the motion of the occu-
pants.
WARNING
■ SRS airbag precautions
Observe the following precautions regarding the SRS airbags.
Failure to do so may cause death or serious injury.
● The driver and all passengers in the vehicle must wear their seat belts
properly.
The SRS airbags are supplemental devic es to be used with the seat belts.
● The SRS driver airbag deploys with considerable force, and can cause
death or serious injury especially if the driver is very close to the airbag.
Since the risk zone for the driver’s airbag is the first 50 - 75 mm (2 - 3 in.)
of inflation, placing yourself 250 mm ( 10 in.) from your driver airbag pro-
vides you with a clear margin of safety. This distance is measured from
the center of the steering wheel to your breastbone. If you sit less than
250 mm (10 in.) away now, you can change your driving position in sev-
eral ways:
• Move your seat to the rear as far as you can while still reaching the ped-
als comfortably.
• Slightly recline the back of the seat. Although vehicle designs vary,
many drivers can achieve the 250 mm (10 in.) distance, even with the
driver seat all the way forward, simply by reclining the back of the seat
somewhat. If reclining the back of your seat makes it hard to see the
road, raise yourself by using a firm, non-slippery cushion, or raise the
seat if your vehicle has that feature.
• If your steering wheel is adjustable, tilt it downward. This points the
airbag toward your chest instead of your head and neck.
The seat should be adjusted as recommended above, while still maintain-
ing control of the foot pedals, steering wheel, and your view of the instru-
ment panel controls.

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WARNING
■SRS airbag precautions
● The SRS front passenger airbag also deploys with considerable force, and
can cause death or serious injury especially if the front passenger is very
close to the airbag. The front passenger seat should be as far from the
airbag as possible with the seatback adjusted, so the front passenger sits
upright.
● Improperly seated and/or restrained infants and children can be killed or
seriously injured by a deploying airbag. An infant or child who is too small
to use a seat belt should be properly secured using a child restraint sys-
tem. Toyota strongly recommends that all infants and children be placed in
the rear seats of the vehicle and proper ly restrained. The rear seats are
safer for infants and children than the front passenger seat. ( P. 62)
●Do not sit on the edge of the seat or
lean against the dashboard.
● Do not allow a child to stand in front of
the SRS front passenger airbag unit or
sit on the knees of a front passenger.
● Do not allow the front seat occupants to
hold items on their knees.

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WARNING
■SRS airbag precautions
●Vehicles without SRS curtain shield
airbags: Do not lean against the front
door.
● Vehicles with SRS curtain shield
airbags: Do not lean against the door,
the roof side rail or the front, side and
rear pillars.
● Do not allow anyone to kneel on the
passenger seat toward the door or put
their head or hands outside the vehicle.
● Vehicles without an SRS driver knee
airbag: Do not attach anything to or lean
anything against areas such as the
dashboard or steering wheel pad.
These items can become projectiles
when the SRS driver and front passen-
ger airbags deploy.
● Vehicles with an SRS driver knee
airbag: Do not attach anything to or lean
anything against areas such as the
dashboard, steering wheel pad and
lower portion of the instrument panel.
These items can become projectiles
when the SRS driver, front passenger
and driver knee airbags deploy.

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WARNING
■SRS airbag precautions
● Vehicles with SRS curtain shield airbags: Do not hang coat hangers or
other hard objects on the coat hooks. All of these items could become pro-
jectiles and may cause death or serious injury, should the SRS curtain
shield airbags deploy.
● Vehicles with an SRS driver knee airbag: If a vinyl cover is put on the area
where the SRS driver knee airbag will deploy, be sure to remove it.
● Do not use seat accessories which cover the parts where the SRS side
airbags inflate as they may interfere with inflation of the airbags. Such
accessories may prevent the side airbags from activating correctly, disable
the system or cause the side airbags to inflate accidentally, resulting in
death or serious injury.
● Vehicles without SRS curtain shield
airbags: Do not attach anything to areas
such as a door, windshield and side
window.
● Vehicles with SRS curtain shield
airbags: Do not attach anything to areas
such as a door, windshield, side win-
dow, front or rear pillar, roof side rail and
assist grip. (Except for the speed limit
label P. 602)
● Vehicles without a smart entry & start
system and with SRS driver’s knee
airbag: Do not attach any heavy, sharp
or hard objects such as keys and
accessories to the key. The objects may
restrict the SRS driver knee airbag infla-
tion or be thrust into the driver’s seat
area by the force of the deploying air-
bag, thus causing a danger.