2021 TOYOTA PRIUS warning

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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9 8
7
6 4 3
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PRIUS_OM_OM47E09U_(U)
5
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

12
PRIUS_OM_OM47E09U_(U)The SRS airbag and seat belt pretensioner devices in your Toyot
a contain
explosive chemicals. If the vehicle is scrapped with the airbag s 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 preten sioner
removed and disposed of by a qualified service shop or by your Toyota dealer
before you scrap your vehicle.
Special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate.
Your vehicle has components that may contain perchlorate. These compo-
nents may include airbag, seat belt pretensioners, and wireless remote con-
trol batteries.
Scrapping of your Toyota
Perchlorate Material
WARNING
■ General precautions while driving
Driving under the influence: Never drive your vehicle when unde r the influ-
ence of alcohol or drugs that have impaired your ability to operate your vehi-
cle. Alcohol and certain drugs delay reaction time, impair judg ment and
reduce coordination, which could lead to an accident that could result in
death or serious injury.
Defensive driving: Always drive defensively. Anticipate mistake s that other
drivers or pedestrians might make and be ready to avoid acciden ts.
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 serio us injury to you,
your occupants or others.
■ General precaution regar ding 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 p laying with
the windows, the moon roof, or other features of the vehicle. In addition,
heat build-up or extremely cold temperatures inside the vehicle can be fatal
to children.

14
PRIUS_OM_OM47E09U_(U)
Reading this manual
WARNING:
Explains something that, if not obeyed, could cause death or
serious injury to people.
NOTICE:
Explains something that, if not obeyed, could cause damage to
or a malfunction in the vehicle or its equipment.
Indicates operating or working procedures. Follow the steps
in numerical order.
Indicates the action (push-
ing, turning, etc.) used to
operate switches and other
devices.
Indicates the outcome of an
operation (e.g. a lid opens).
Indicates the component or
position being explained.
Means “Do not”, “Do not do
this”, or “Do not let this hap-
pen”.
123

16Pictorial index
PRIUS_OM_OM47E09U_(U)
Pictorial index
■
Exterior
The shape of the headlights may differ depending on the grade, etc.
( P. 568)
Side doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 185
Locking/unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 185
Opening/closing the side windows. . . . . . . . . . . . . . . . . . . . . . P. 218
Locking/unlocking by using the mechanical key . . . . . . . . . . . P. 647
Warning lights/warning messages . . . . . . . . . . . . . . . . . . P. 594, 603
Back door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 191
Opening from outside . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 191
Warning lights/warning messages . . . . . . . . . . . . . . . . . . P. 594, 603
Outside rear view mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 216
Adjusting the mirror angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 216
Folding the mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 216
Defogging the mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 440, 450
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3

17Pictorial index
PRIUS_OM_OM47E09U_(U)Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 275
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . P. 430
Precautions against car wash (vehicles with rain-sensing
windshield wipers) . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . P. 498
Replacing the wiper insert . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 556
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 283
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 283
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 667
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 532
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . P. 672
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 430
Checking/rotation/tire pressur e warning system . . . . . . . . .P. 532
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . P. 611, 631
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 515
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 515
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 668
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 656
Headlights/daytime running lights . . . . . . . . . . . . . . . . . . . . P. 263
Parking lights/front side marker lights/
LED accent lights
*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 263
Fog lights
* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 273
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 261
Tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 263
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 263
Back-up lights
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 255
Rear side maker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 263
4
5
6
7
Light bulbs of the exterior lights for driving
(Replacing method: P. 568, Watts: P. 674)
*: If equipped
8
9
10
11
12
13
14
15

18Pictorial index
PRIUS_OM_OM47E09U_(U)
■Instrument panel
Power switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 245
Starting the hybrid system/changing the modes . . . . . . . . . . . P. 245
Emergency stop of the hybrid system . . . . . . . . . . . . . . . . . . . P. 581
When the hybrid system will not start . . . . . . . . . . . . . . . . . . . P. 645
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 603
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 255
Changing the shift position . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 255
Precautions against towing . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 584
P position switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 256
Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 98
Reading the meters/adjusting the instrument
cluster light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 98, 100
Warning lights/indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . P. 107
When the warning lights come on . . . . . . . . . . . . . . . . . . . . . . P. 5921
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