2023 TOYOTA PRIUS PLUG-IN HYBRID ECO

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7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior ..........566
Cleaning and protecting
the vehicle interior ...........572
7-2. Maintenance
Maintenance
requirements....................578
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ......................581
Hood ..................................584
Positioning a floor jack .......586
Engine compartment..........587
Tires ...................................600
Tire inflation pressure ........608
Wheels ...............................610
Replacing the tire ...............612
Air conditioning filter ..........625
Wiper insert
replacement .....................629
Electronic key battery ........632
Checking and replacing
fuses ................................635
Light bulbs .........................639
8-1. Essential information
Emergency flashers .......... 648
If your vehicle has to
be stopped in an
emergency ...................... 649
If the vehicle is submerged
or water on the road
is rising ............................ 650
8-2. Steps to take in an
emergency
If your vehicle needs
to be towed ..................... 652
If you think something is
wrong .............................. 658
If a warning light turns on
or a warning buzzer
sounds ............................ 659
If a warning message is
displayed ......................... 667
If you have a flat tire .......... 675
If the hybrid system will
not start ........................... 693
If the electronic key does
not operate properly ........ 695
If the 12-volt battery is
discharged ...................... 699
If your vehicle
overheats ........................ 705
If the vehicle becomes
stuck................................ 710
7Maintenance and care8When trouble arises

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Prius Plug-in Hybrid_OM_OM47F38E_(EE)
For your infor mation
Please note that this manual applies to all models and explains all equipment,
including options. Therefore, you may find some explanations for equipment
not installed on your vehicle.
All specifications provided in this manual are current at the time of printing.
However, because of the Toyota policy of continual product improvement, we
reserve the right to make changes at any time without notice.
Depending on specifications, the vehicle shown in the illustrations may differ
from your vehicle in terms of equipment.
Both genuine Toyota and a wide variety of other spare parts and accessories
for Toyota vehicles are currently available on the market. Should it be deter-
mined that any of the genuine Toyota parts or accessories supplied with the
vehicle need to be replaced, Toyota recommends that genuine Toyota parts
or accessories, be used to replace them. Other parts or accessories of
matching quality can also be used.
Toyota cannot accept any liability or guarantee spare parts and accessories
which are not genuine Toyota products, nor for replacement or installation
involving such parts. In addition, damage or performance problems resulting
from the use of non-genuine Toyota spare parts or accessories may not be
covered under warranty.
Also, remodeling like this will have an effect on advanced safety equipment
such as Toyota Safety Sense and there is a danger that it will not work prop-
erly or the danger that it may work in situations where it should not be work-
ing.
Main Owner’s Manual
Accessories, spare parts and modification of your Toyota

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The vehicle is equipped with sophisticated computers that will record certain
data, such as:
• Engine speed/Electric motor speed (traction motor speed)
• Accelerator status
• Brake status
• Vehicle speed
• Operation status of the driving assist systems
• Images from the cameras
Your vehicle is equipped with cameras. Contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer for the loca-
tion of recording cameras.
• Hybrid battery (traction battery) status
The recorded data varies according to the vehicle grade level, options and
destinations with which it is equipped.
These computers do not record conversations or sounds, and only record
images outside of the vehicle in certain situations.
●Data usage
Toyota may use the data recorded in this computer to diagnose malfunc-
tions, conduct research and development, and improve quality.
Toyota will not disclose the recorded data to a third party except:
• With the consent of the vehicle owner or with the consent of the lessee if
the vehicle is leased
• In response to an official request by the police, a court of law or a govern-
ment agency
• For use by Toyota in a lawsuit
• For research purposes where the data is not tied to a specific vehicle or
vehicle owner
●Recorded image information can be erased by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
The image recording function can be disabled. However, if the function is
disabled, data from when the system operates will not be available.
The SRS airbag and seat belt pretensioner devices in your Toyota contain
explosive chemicals. If the vehicle is scrapped with the airbags and seat belt
pretensioners left as they are, this may cause an accident such as fire. Be
sure to have the systems of the SRS airbag and seat belt pretensioner
removed and disposed of by a qualified service shop or by any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer, before
you scrap your vehicle.
Vehicle data recording
Scrapping of your Toyota

311-1. For safe use
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For safety and security
WARNING
Observe the following precautions.
Failure to do so may cause the driver’s floor mat to slip, possibly interfering
with the pedals while driving. An unexpectedly high speed may result or it may
become difficult to stop the vehicle. This could lead to an accident, resulting in
death or serious injury.
■ When installing the driver’s floor mat
● Do not use floor mats designed for other models or different model year
vehicles, even if they are Toyota Genuine floor mats.
● Only use floor mats designed for the driver’s seat.
● Always install the floor mat securely using the retaining hooks (clips) pro-
vided.
● Do not use two or more floor mats on top of each other.
● Do not place the floor mat bottom-side up or upside-down.
■ Before driving
●Check that the floor mat is securely
fixed in the correct place with all the
provided retaining hooks (clips). Be
especially careful to perform this check
after cleaning the floor.
● With the hybrid system stopped and the
shift position in P, fully depress each
pedal to the floor to make sure it does
not interfere with the floor mat.

321-1. For safe use
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For safe driving
Adjust the angle of the seat-
back so that you are sitting
straight up and so that you do
not have to lean forward to
steer. ( P. 290)
Adjust the seat so that you can
depress the pedals fully and so
that your arms bend slightly at
the elbow when gripping the
steering wheel. ( P. 290)
Lock the head restraint in place with the center of the head restraint
closest to the top of your ears. ( P. 294)
Wear the seat belt correctly. ( P. 3 4 )
Make sure that all occupants are wearing their seat belts before driv-
ing the vehicle. ( P. 3 4 )
Use a child restraint system appropriate for the child until the child
becomes large enough to properly wear the vehicle’s seat belt.
( P. 5 4 )
Make sure that you can see backward clearly by adjusting the inside
and outside rear view mirrors properly. ( P. 299, 301)
For safe driving, adjust the seat and mirror to an appropriate
position before driving.
Correct driving posture
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Correct use of the seat belts
Adjusting the mirrors
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331-1. For safe use
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For safety and security
WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
● Do not adjust the position of the driver’s seat while driving.
Doing so could cause the driver to lose control of the vehicle.
● Do not place a cushion between the driver or passenger and the seatback.
A cushion may prevent correct posture from being achieved, and reduce
the effectiveness of the seat belt and head restraint.
● Do not place anything under the front seats.
Objects placed under the front seats may become jammed in the seat
tracks and stop the seat from locking in place. This may lead to an acci-
dent and the adjustment mechanism may also be damaged.
● Always observe the legal speed limit when driving on public roads.
● When driving over long distances, take regular breaks before you start to
feel tired.
Also, if you feel tired or sleepy while driving, do not force yourself to con-
tinue driving and take a break immediately.

361-1. For safe use
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■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. 5 4 )
● When the child becomes large enough to properly wear the vehicle’s seat
belt, follow the instructions regarding seat belt usage. ( P. 34)
■ Replacing the belt 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.
WARNING
Observe the following precautions to reduce the risk of injury in the event of
sudden braking, sudden swerving or an accident.
Failing 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.

411-1. For safe use
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For safety and security
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 air-
bag 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.
● 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 air-
bag 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. 54)