key TOYOTA PRIUS PLUG-IN HYBRID 2021 Owners Manual

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Prius Plug-in Hybrid_OM_OM47D72E_(EE)
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3. Instrument cluster
Combination meter ............204
Warning lights and
indicators .........................214
Main display .......................222
Multi-information display ....230
Head-up display .................264
Energy monitor/
consumption screen ........271
4-1. Key information
Keys ...................................278
4-2. Opening, closing and
locking the doors
Side doors..........................283
Back door...........................288
Smart entry & start
system .............................293
4-3. Adjusting the seats
Front seats .........................339
Rear seats .........................341
Head restraints ..................343
4-4. Adjusting the steering
wheel and mirrors
Steering wheel ...................346
Inside rear view mirror .......348
Outside rear view
mirrors .............................350
4-5. Opening and closing the
windows
Power windows ..................352
5-1. Before driving
Driving the vehicle ............. 358
Cargo and luggage............ 370
Trailer towing..................... 372
5-2. Driving procedures
Power (ignition) switch ...... 373
Hybrid transmission........... 379
Turn signal lever................ 385
Parking brake .................... 386
5-3. Operating the lights
and wipers
Headlight switch ................ 387
AHS (Adaptive High-beam
System) ........................... 391
Fog light switch ................. 397
Windshield wipers and
washer ............................ 398
5-4. Refueling
Opening the fuel tank
cap .................................. 401
3Instrument cluster
4Operation of each
component
5Driving

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Prius Plug-in Hybrid_OM_OM47D72E_(EE)
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7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior ..........616
Cleaning and protecting
the vehicle interior ...........622
7-2. Maintenance
Maintenance
requirements....................628
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ......................631
Hood ..................................634
Positioning a floor jack .......636
Engine compartment..........637
Tires ...................................650
Tire inflation pressure ........665
Wheels ...............................667
Replacing the tire ...............669
Air conditioning filter ..........681
Wiper insert
replacement .....................685
Electronic key battery ........688
Checking and replacing
fuses ................................691
Light bulbs .........................695
8-1. Essential information
Emergency flashers .......... 704
If your vehicle has to
be stopped in an
emergency ...................... 705
If the vehicle is trapped in
rising water...................... 706
8-2. Steps to take in an
emergency
If your vehicle needs
to be towed ..................... 707
If you think something is
wrong .............................. 713
If a warning light turns on
or a warning buzzer
sounds ............................ 714
If a warning message is
displayed ......................... 723
If you have a flat tire .......... 731
If the hybrid system will
not start ........................... 749
If the electronic key does
not operate properly ........ 751
If the 12-volt battery is
discharged ...................... 755
If your vehicle
overheats ........................ 761
If the vehicle becomes
stuck................................ 766
7Maintenance and care8When trouble arises

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Prius Plug-in Hybrid_OM_OM47D72E_(EE)
WARNING
■General precautions while driving
Driving under the influence: Never drive your vehicle when under the influ-
ence of alcohol or drugs that have impair ed your ability to operate your vehi-
cle. Alcohol and certain drugs delay reaction time, impair judgment and
reduce coordination, which could lead to an accident that could result in
death or serious injury.
Defensive driving: Always drive defensively. Anticipate mistakes that other
drivers or pedestrians might make and be ready to avoid accidents.
Driver distraction: Always give your full attention to driving. Anything that
distracts the driver, such as adjusting controls, talking on a cellular phone or
reading can result in a collision with resulting death or serious injury to you,
your occupants or others.
■ General precaution regarding children’s safety
Never leave children unattended in the vehicle, and never allow children to
have or use the key.
Children may be able to start the vehicle or shift the vehicle into neutral.
There is also a danger that children may injure themselves by playing with
the windows, or other features of the vehicle. In addition, heat build-up or
extremely cold temperatures inside the vehicle can be fatal to children.

14Pictorial index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Pictorial index
■Exterior
Side doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 283
Locking/unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 283
Opening/closing the side windows . . . . . . . . . . . . . . . . . . . . . P. 352
Locking/unlocking by using the mechanical key . . . . . . . . . . . P. 751
Warning lights/warning messages . . . . . . . . . . . . . . . . . . P. 717, 723
Back door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 288
Opening from outside . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 288
Warning lights/warning messages . . . . . . . . . . . . . . . . . . P. 717, 723
Outside rear view mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 350
Adjusting the mirror angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 350
Folding the mirrors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 350
Defogging the mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 577
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521-2. Child safety
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Insert the mechanical key into the
cylinder and turn to the “OFF”
position.
The “OFF” indicator light turns on
(only when the power switch is in
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.
● The “OFF” indicator does not illuminate when the airbag manual on-off
switch is set to “OFF”.
● 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
WARNING
■ When installing a child restraint system
For safety reasons, always install the 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.

531-2. Child safety
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For safety and security
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Riding with children
●It is recommended that children sit in the rear seats to avoid acci-
dental contact with the shift lever, wiper switch etc.
● Use the rear door child-protector lock or the window lock switch to
avoid children opening the door while driving or operating the
power window accidentally. ( P. 286, 352)
● Do not let small children operate equipment which may catch or
pinch body parts, such as the power window, hood, back door,
seats etc.
Observe the following precautions when children are in the vehi-
cle.
Use a child restraint system appropriate for the child, until the
child becomes large enough to properly wear the vehicle’s seat
belt.
WARNING
Never leave children unattended in the vehicle, and never allow children to
have or use the key.
Children may be able to start the vehicle or shift the vehicle into neutral.
There is also a danger that children may injure themselves by playing with
the side windows or other features of the vehicle. In addition, heat build-up
or extremely cold temperatures inside the vehicle can be fatal to children.

741-3. Theft deterrent system
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Immobilizer system
The indicator light flashes after
the power switch has been turned
off to indicate that the system is
operating.
The indicator light stops flashing
after the power switch has been
turned to ACCESSORY or ON
mode to indicate that the system
has been canceled.
■ System maintenance
The vehicle has a maintenance-free type immobilizer system.
■ Conditions that may cause the system to malfunction
● If the grip portion of the key is in contact with a metallic object
● If the key is in close proximity to or touching a key registered to the security
system (key with a built-in transponder chip) of another vehicle
The vehicle’s keys have built-in transponder chips that prevent
the hybrid system from starting if a key has not been previously
registered in the vehicle’s on-board computer.
Never leave the keys inside the vehicle when you leave the vehi-
cle.
This system is designed to help prevent vehicle theft but does not
guarantee absolute security against all vehicle thefts.

881-3. Theft deterrent system
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
■System maintenance
The vehicle has a maintenance-free type alarm system.
■ Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of
the following.
● Nobody is in the vehicle.
● The side windows are closed before the alarm is set.
● No valuables or other personal items are left in the vehicle.
■ Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
● The doors are unlocked using the
mechanical key.
● A person inside the vehicle opens a door
or hood, or unlocks the vehicle using an
inside lock button.
● The 12-volt battery is recharged or
replaced when the vehicle is locked.
( P. 755)

1222-2. Charging
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
■Opening the charging port lid
Press the rear edge of the
charging port lid (the position
shown in the illustration) with
the doors unlocked.
Push and take your hand away
to slightly open the charging port
lid. Then open the lid fully by
hand.
While the doors are locked, only
the charging port lid can be
unlocked by carrying an elec-
tronic key and pressing the
charging port lid. (P. 1 4 1 )
■
Closing the charging port lid
Close the charging port lid and
press the rear edge of the
charging port lid (the position
shown in the illustration).
When the doors are locked with
the smart entry & start system,
wireless remote control or door
lock switch, the charging port lid
is also locked. (P. 283, 285)
If the charging port lid is closed
with the doors locked, the
charging port lid locks.
Opening and closing the charging port lid

1242-2. Charging
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
■Except during charging
The hybrid battery (traction battery) status indicators illuminate
*1
while the charging port lid is open and any of the followings are per-
formed.
●When an electronic key is carried near the effective range
*2
(P. 294)
●When the doors are unlocked
*1: The indicators illuminate for a maximum of approximately 15 seconds.
*2: Excluding the effective range of the charging port lid.
■When the hybrid battery (traction battery) is fully charged
When the charging cable is connected, all 3 hybrid battery (traction battery)
status indicators illuminate to inform the user that the hybrid battery (traction
battery) is fully charged.
*
*
: If the push lifter (P. 171) is pushed in, the hybrid battery (traction battery)
status indicators may flash.
Charging status of the
hybrid battery
(traction battery)Hybrid battery (traction battery) status indicator
About less than halfIlluminatedNot illuminatedNot illuminated
About more than halfIlluminatedIlluminatedNot illuminated
FullIlluminatedIlluminatedIlluminated
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