TOYOTA PRIUS 2021 Owners Manual (in English)

PRIUS_OM_OM47E09U_(U)
Pictorial indexSearch by illustration
1For safety
and securityMake sure to read through them
2Instrument
clusterHow to read the gauges and meters, the variety of
warning lights and indicators, etc.
3Operation of
each componentOpening and closing the doors and windows,
adjustment before driving, etc.
4DrivingOperations and advice which are necessary for
driving
5Interior featuresUsage of the interior features, etc.
6Maintenance
and careCaring for your vehicle and maintenance
procedures
7When trouble
arisesWhat to do in case of malfunction or emergency
8Vehicle
specificationsVehicle specifications, customizable features, etc.
9For ownersReporting safety defects for U.S. owners, and seat
belt, SRS airbag and headlight aim instructions for
Canadian owners
IndexSearch by symptom
Search alphabetically

TABLE OF CONTENTS2
PRIUS_OM_OM47E09U_(U)For your information....................... 8
Reading this manual .................... 14
How to search .............................. 15
Pictorial index .............................. 16
1-1. For safe use
Before driving ...................... 26
For safe driving ................... 28
Seat belts ............................ 30
SRS airbags ........................ 35
Front passenger occupant classification system ......... 49
Exhaust gas precautions ..... 54
1-2. Child safety Riding with children ............. 55
Child restraint systems ........ 56
1-3. Emergency assistance Safety Connect.................... 76
1-4. Hybrid system Hybrid system features ....... 84
Hybrid system precautions ....................... 88
1-5. Theft deterrent system Immobilizer system ............. 95 2. Instrument cluster
Combination meter .............. 98
Warning lights and indicators ......................... 107
Main display....................... 115
Multi-information display ............................. 124
Head-up display................. 158
Energy monitor/ consumption screen
(vehicles with 7-inch
display) ............................ 165
Energy monitor/ consumption screen
(vehicles with
11.6-inch display) ............ 172
3-1. Key information Keys................................... 180
3-2. Opening, closing and locking the doors
Side doors ......................... 185
Back door .......................... 191
Smart key system .............. 196
3-3. Adjusting the seats Front seats......................... 204
Rear seats ......................... 206
Head restraints .................. 209
1For safety and security
2Instrument cluster
3Operation of each
component

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3-4. Adjusting the steering wheel and mirrors
Steering wheel .................. 212
Inside rear view mirror....... 214
Outside rear view mirrors ............................. 216
3-5. Opening and closing the windows and moon roof
Power windows ................. 218
Moon roof .......................... 223
4-1. Before driving Driving the vehicle ............. 228
Cargo and luggage............ 239
Vehicle load limits ............. 242
Trailer towing..................... 243
Dinghy towing.................... 244
4-2. Driving procedures Power (ignition) switch ...... 245
EV drive mode................... 252
Hybrid transmission........... 255
Turn signal lever................ 261
Parking brake .................... 262
4-3. Operating the lights and wipers
Headlight switch ................ 263
AHB (Automatic High Beam) ............................. 268
Fog light switch ................. 273
Windshield wipers and washer ............................ 275
Rear window wiper and washer ............................ 281 4-4. Refueling
Opening the fuel tank cap................................... 283
4-5. Using the driving support systems
Toyota Safety Sense 2.0 ... 288
PCS (Pre-Collision System) ........................... 296
LTA (Lane Tracing Assist).............................. 307
RSA (Road Sign Assist) .... 322
Dynamic radar cruise control with full-speed
range ............................... 326
Cruise control .................... 342
Driving mode select switch .............................. 347
BSM (Blind Spot Monitor)......... 349
• The Blind Spot Monitor
function.......................... 354
• The Rear Cross Traffic
Alert function ................. 357
Intuitive parking assist ....... 362
Parking Support Brake function ............................ 373
S-APGS (Simple Advanced Parking
Guidance System) ........... 386
Driving assist systems ....... 420
4-6. Driving tips Hybrid vehicle driving tips ................................... 427
Winter driving tips .............. 430
4Driving

TABLE OF CONTENTS4
PRIUS_OM_OM47E09U_(U)5-1. Using the air conditioning
system and defogger
Automatic air conditioning system (vehicles with
7-inch display) ................. 436
Automatic air conditioning system (vehicles with
11.6-inch display) ............ 446
Heated steering wheel/ seat heaters .................... 456
5-2. Using the interior lights Interior lights list ................ 458• Front interior light .......... 459
• Front personal lights ..... 459
• Rear interior light .......... 460
5-3. Using the storage features
List of storage features...... 461 • Glove box...................... 462
• Console box .................. 462
• Cup holders .................. 463
• Bottle holders/door pockets ................. 464
• Auxiliary boxes .............. 465
• Seat back pockets ........ 466
Luggage compartment features ........................... 467 5-4. Using the other interior
features
Other interior features........ 473 • Sun visors ..................... 473
• Vanity mirrors ................ 473
• Power outlets ................ 474
• USB charging ports ....... 475
• Wireless charger ........... 477
• Armrest.......................... 486
• Coat hooks .................... 486
• Assist grips .................... 487
Garage door opener .......... 488
6-1. Maintenance and care Cleaning and protecting the vehicle exterior .......... 496
Cleaning and protecting the vehicle interior ........... 502
6-2. Maintenance Maintenance requirements ................... 505
General maintenance ........ 508
Emission inspection and maintenance (I/M)
programs ......................... 511
5Interior features
6Maintenance and care

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6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ..................... 512
Hood.................................. 515
Positioning a floor jack ...... 517
Engine compartment ......... 518
Tires .................................. 532
Tire inflation pressure........ 542
Wheels .............................. 545
Air conditioning filter .......... 548
Cleaning the hybrid battery (traction battery) air intake
vent and filter .................. 551
Wiper insert replacement .................... 556
Electronic key battery ........ 560
Checking and replacing fuses ............................... 563
Headlight aim .................... 566
Light bulbs ......................... 568
7-1. Essential information Emergency flashers .......... 580
If your vehicle has to be stopped in an
emergency ...................... 581
If the vehicle is trapped in rising water...................... 582 7-2. Steps to take in an
emergency
If your vehicle needs to be towed .......................... 584
If you think something is wrong............................... 591
If a warning light turns on or a warning buzzer
sounds ............................. 592
If a warning message is displayed ......................... 603
If you have a flat tire (vehicles without
spare tire) ........................ 611
If you have a flat tire (vehicles with
spare tire) ........................ 631
If the hybrid system will not start ........................... 645
If the electronic key does not operate properly ........ 647
If the 12-volt battery is discharged ....................... 650
If your vehicle overheats.... 656
If the vehicle becomes stuck ................................ 661
7When trouble arises

TABLE OF CONTENTS6
PRIUS_OM_OM47E09U_(U)8-1. Specifications
Maintenance data (fuel, oil level, etc.) .......... 664
Fuel information ................ 675
Tire information ................. 678
8-2. Customization Customizable features ...... 690
8-3. Initialization Items to initialize................ 701 Reporting safety defects
for U.S. owners ........................ 704
Seat belt instructions for Canadian owners
(in French)................................ 705
SRS airbag instructions for Canadian owners
(in French)................................ 707
Headlight aim instructions for Canadian owners
(in French)................................ 716
What to do if... (Troubleshooting) ..................... 720
Alphabetical index ...................... 724
8Vehicle specifications9For owners
Index
For vehicles with the navigation system, refer to the “NAVIGATI ON
SYSTEM OWNER’S MANUAL” for information regarding the equip-
ment listed below.
• Navigation system
• Audio/visual system
• Rear view monitor system• Hands-free system (for cellular phone)
For vehicles with the multimedia system, refer to the “MULTIMED IA
OWNER’S MANUAL” for information regarding the equipment listed
below.
• Audio/visual system
• Rear view monitor system• Hands-free system (for cellular phone)

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PRIUS_OM_OM47E09U_(U)
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 fo r equipment
not installed on your vehicle.
All specifications provided in this manual are current at the t ime 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 illustrat ions may differ
from your vehicle in terms of color and equipment.
Approximately five hours after the hybrid system is turned off, you may hear
sound coming from under the vehicle for several minutes. This i s the sound of
a fuel evaporation leakage check and, it does not indicate a ma lfunction.
A wide variety of non-genuine spare parts and accessories for T oyota vehi-
cles are currently available in the market. You should know tha t Toyota does
not warrant these products and is not responsible for their per formance,
repair, or replacement, or for any damage they may cause to, or adverse
effect they may have on, your Toyota vehicle.
This vehicle should not be modified with non-genuine Toyota pro ducts. Modi-
fication with non-genuine Toyota products could affect its perf ormance, safety
or durability, and may even violate governmental regulations. In addition,
damage or performance problems resulting from the modification may not be
covered under warranty.
Main Owner’s Manual
Noise from under vehicle after turning off the hybrid system
Accessories, spare parts and m odification of your Toyota

PRIUS_OM_OM47E09U_(U)
9
The installation of a mobile two-way radio system in your vehicle could affect
electronic systems such as:
● Hybrid system
● Multiport fuel injection system/sequential multiport fuel injection system
● Toyota Safety Sense 2.0
● Cruise control system
● Anti-lock brake system
● SRS airbag system
● Seat belt pretensioner system
Be sure to check with your Toyota dealer for precautionary meas ures or spe-
cial instructions regarding instal lation of a mobile two-way radio system.
High voltage parts and cables on the hybrid vehicles emit appro ximately the
same amount of electromagnetic waves as the conventional gasoli ne pow-
ered vehicles or home electronic appliances despite of their el ectromagnetic
shielding.
Unwanted noise may occur in the reception of the mobile two-way radio.
Installation of a mobile two-way radio system

10
PRIUS_OM_OM47E09U_(U)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 your Toyota deal er for the
location of recording cameras.
• Hybrid battery (traction battery) status
The recorded data varies according to the vehicle grade level and options
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 Transmission
Your vehicle may transmit the data recorded in these computers to Toyota
without notification to you.
●Data usage
Toyota may use the data recorded in this computer to diagnose m alfunc-
tions, conduct research and development, and improve quality.
Toyota will not disclose the recorded data to a third party exc ept:
• 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 l aw 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 your Toyota dealer.
The image recording function can be disabled. However, if the f unction is
disabled, data from when the system operates will not be available.
●To learn more about the vehicle data collected, used and shared by Toy-
ota, please visit www.toyota.com/privacyvts/
.
If your Toyota has Safety Connect and if you have subscribed to those ser-
vices, please refer to the Safety Connect Telematics Subscription Service
Agreement for information on data collected and its usage.
●To learn more about the vehicle data collected, used and shared by Toy-
ota, please visit www.toyota.com/privacyvts/
.
Vehicle data recording
Usage of data collected thr ough Safety Connect (U.S.mainland
only)