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431-1. For safe use
PRIUS v_OM_OM47B78U_(U)
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For safety and security
Your vehicle is equipped with ADVANCED AIRBAGS designed based
on the US motor vehicle safety standards (FMVSS208). The airbag
sensor assembly (ECU) controls airbag deployment based on infor-
mation obtained from the sensors etc. shown in the system compo-
nents diagram above. This information includes crash severity and
occupant information. 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 occupants.
SRS airbag system components
Front impact sensors
Side impact sensors (front
door)
Front passenger airbag
“PASSENGER AIR BAG” indi-
cator
SRS warning light
Side impact sensors (front)
Seat belt pretensioners and
force limiters
Side airbags
Curtain shield airbagsSide impact sensors (rear)
Front passenger’s seat belt
buckle switch
Driver ’s seat belt buckle
switch
Driver’s seat position sensor
Driver airbag
Driver’s knee airbag
Front passenger occupant
classification system (ECU
and sensors)
Airbag sensor assembly1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
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441-1. For safe use
PRIUS v_OM_OM47B78U_(U)
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 v ehicle must wear their seat belts
properly.
The SRS airbags are supplemental devices 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.
The National Highway Traffic Safety Administration (NHTSA) advises:
Since the risk zone for the driver’s airbag is the first 2 - 3 in. (50 - 75 mm)
of inflation, placing yourself 10 in. (250 mm) 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 10
in. (250 mm) away now, you can change your driving position in several
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 10 in.
(250 mm) 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 air-
bag toward your chest instead of your head and neck.
The seat should be adjusted as recommended by NHTSA above, while still
maintaining control of the foot pedals, steering wheel, and your view of the
instrument panel controls.
Page 55 of 607
531-1. For safe use
PRIUS v_OM_OM47B78U_(U)
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For safety and security
Front passenger occupant classification
system
Seat belt reminder light
SRS warning light
“PASSENGER AIR BAG” indicator
The ON indicator light turns on when the airbag system is on (only when
the power switch is in ON mode).
Your vehicle is equipped with a front passenger occupant classi-
fication system. This system detects the conditions of the front
passenger seat and activates or deactivates the devices for the
front passenger.
1
2
3
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541-1. For safe use
PRIUS v_OM_OM47B78U_(U)■
Adult*1
■Child*4 or child restraint system*5
Condition and operation in the front passenger occupant classi-
fication system
Indicator/
warning light
“PASSENGER AIR BAG” indicatorON indicator
SRS warning lightOff
Seat belt reminder lightOff*2 or
flashing
*3
Devices
Front passenger airbag
ActivatedSide airbag on the front passenger seat
Curtain shield airbag in the front passenger side
Front passenger’s seat belt pretensioner
Indicator/
warning light
“PASSENGER AIR BAG” indicatorOFF
indicator
*6
SRS warning lightOff
Seat belt reminder lightOff*2 or
flashing
*3
Devices
Front passenger airbagDeactivated
Side airbag on the front passenger seat
ActivatedCurtain shield airbag in the front passenger side
Front passenger’s seat belt pretensioner
Page 57 of 607
551-1. For safe use
PRIUS v_OM_OM47B78U_(U)
1
For safety and security
■Unoccupied
■There is a malfunction in the system
Indicator/
warning light
“PASSENGER AIR BAG” indicatorNot illuminated
SRS warning lightOffSeat belt reminder light
Devices
Front passenger airbagDeactivated
Side airbag on the front passenger seatActivatedCurtain shield airbag in the front passenger side
Front passenger’s seat belt pretensionerActivated*7 or
deactivated
*8
Indicator/
warning light
“PASSENGER AIR BAG” indicatorOFF indicator
SRS warning lightOnSeat belt reminder light
Devices
Front passenger airbagDeactivated
Side airbag on the front passenger seat
ActivatedCurtain shield airbag in the front passenger side
Front passenger’s seat belt pretensioner
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561-1. For safe use
PRIUS v_OM_OM47B78U_(U)
*1: The system judges a person of adult size as an adult. When a smalleradult sits in the front passenger seat, the system may recognize him/her as
a child depending on his/her physique and posture.
*2: In the event the front passenger is wearing a seat belt.
*3: In the event the front passenger does not wear a seat belt.
*4: When a larger child who has outgrown a child restraint system sits in thefront passenger seat, the system may recognize him/her as an adult
depending on his/her physique or posture.
*5: Never install a rear-facing child restraint system on the front passengerseat. A forward-facing child restraint system should only be installed on the
front passenger seat when it is unavoidable. ( P. 59)
*6: In case the indicator light is not illuminated, consult this manual on how to
install the child restraint system properly. ( P. 6 3 )
*7: In the event of a side collision.
*8: In the event of a frontal collision.
WARNING
■Front passenger occupant classification system precautions
Observe the following precautions regarding front passenger occupant clas-
sification system.
Failure to do so may cause death or serious injury.
●Wear the seat belt properly.
● Make sure the front passenger’s seat belt plate has not been left inserted
into the buckle before someone sits in the front passenger seat.
● Make sure the “OFF” of the “PASSENGER AIR BAG” indicator is not illu-
minated when using the seat belt extender for the front passenger seat. If
the “OFF” of the “PASSENGER AIR BAG” indicator is illuminated, discon-
nect the extender tongue from the seat belt buckle, and reconnect the seat
belt. Reconnect the seat belt extender after making sure the “ON” of the
“PASSENGER AIR BAG” indicator is illuminated. If you use the seat belt
extender while the “OFF” of the “PASSENGER AIR BAG” indicator is illu-
minated, the SRS airbags for the front passenger will not activate, which
could cause death or serious injury in the event of a collision.
● Do not apply a heavy load to the front passenger seat or equipment (e.g.
seatback pocket).
● Do not put weight on the front passenger seat by putting your hands or
feet on the front passenger seat seatback from the rear passenger seat.
● Do not let a rear passenger lift the front passenger seat with their feet or
press on the seatback with their legs.
● Do not put objects under the front passenger seat.
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571-1. For safe use
PRIUS v_OM_OM47B78U_(U)
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For safety and security
WARNING
■Front passenger occupant classification system precautions
●Do not recline the front passenger seatback so far that it touches a rear
seat. This may cause “OFF” of the “PASSENGER AIR BAG” indicator to
be illuminated, which indicates that the SRS airbags for the front passen-
ger will not activate in the event of a severe accident. If the seatback
touches the rear seat, return the seatback to a position where it does not
touch the rear seat. Keep the front passenger seatback as upright as pos-
sible when the vehicle is moving. Reclining the seatback excessively may
lessen the effectiveness of the seat belt system.
● If an adult sits in the front passenger seat, “ON” of the “PASSENGER AIR
BAG” indicator is illuminated. If “OFF” of the “PASSENGER AIR BAG” indi-
cator is illuminated, ask the passenger to sit up straight, well back in the
seat, feet on the floor, and with the seat belt worn correctly. If “OFF” of the
“PASSENGER AIR BAG” indicator still remains illuminated, either ask the
passenger to move to the rear seat, or if that is not possible, move the
front passenger seat fully rearward.
● When it is unavoidable to install a forward-facing child restraint system on
the front passenger seat, install the child restraint system on the front pas-
senger seat in the proper order. ( P. 63)
● Do not modify or remove the front seats.
● Do not kick the front passenger seat or subject it to severe impact. Other-
wise, the SRS warning light may come on to indicate a malfunction of the
front passenger occupant classification system. In this case, contact your
Toyota dealer immediately.
● Child restraint systems installed on the rear seat should not contact the
front seatbacks.
● Do not use a seat accessory, such as a cushion and seat cover, that cov-
ers the seat cushion surface.
● Do not modify or replace the upholstery of the front seat.
Page 75 of 607

731-1. For safe use
PRIUS v_OM_OM47B78U_(U)
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For safety and security
Exhaust gas precautions
Harmful substance to the human body is included in exhaust
gases if inhaled.
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 your Toyota
dealer 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 hybrid system.
● Do not leave the vehicle with the hybrid system on 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 hybrid system operating in an area with snow build-up, or
where it is snowing. If snowbanks build up around the vehicle while the
hybrid system is operating, exhaust gases may collect and enter the vehi-
cle.
■ 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 your Toyota dealer.