2021 TOYOTA PRIUS seat heater

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

20Pictorial index
PRIUS_OM_OM47E09U_(U)
■Switches
Instrument cluster light control switch . . . . . . . . . . . . . . . . P. 100
S-APGS (Simple Advanced Parking Guidance System)
switch
*1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 389
VSC OFF switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 422
Automatic High Beam switch
*1 . . . . . . . . . . . . . . . . . . . . . . P. 268
“HUD” (Head-up display) switch
*1. . . . . . . . . . . . . . . . . . . . P. 159
Driving mode select switch . . . . . . . . . . . . . . . . . . . . . . . . . P. 347
EV drive mode switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 252
Seat heater switches
*1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 4 57
Window lock switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 218
Outside rear view mirror switch . . . . . . . . . . . . . . . . . . . . . . P. 216
Door lock switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 187
Power window switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 218
1
2
3
4
5
6
7
8
9
10
11
12

435
PRIUS_OM_OM47E09U_(U)
5Interior features
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

456
PRIUS_OM_OM47E09U_(U)
5-1. Using the air conditioning system and defogger
Heated steering wheel/seat heaters
: If equipped
●Heated steering wheel
Warm up the grip of the steering wheel
● Seat heaters (front seats)
Warm up the seat upholstery
WARNING
●Care should be taken to prevent injury if anyone in the following categories
comes in contact with the steering wheel and seats when the hea ter is on:
• Babies, small children, the elderly, the sick and the physical ly chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sle eping
drugs, cold remedies, etc.)
● Observe the following precautions to prevent minor burns or ove rheating:
• Do not cover the seat with a blanket or cushion when using the seat
heater.
• Do not use seat heater more than necessary.
NOTICE
● Do not put heavy objects that have an uneven surface on the sea t and do
not stick sharp objects (needles, nails, etc.) into the seat.
● To prevent 12-volt battery discharge, do not use the functions when the
hybrid system is off.

PRIUS_OM_OM47E09U_(U)
4575-1. Using the air conditioning system and defogger
5
Interior features
Turns the heated steering wheel
on/off
The indicator in the instrument
cluster comes on when the heated
steering wheel is operating.
●The heated steering wheel can be used when the power switch is in ON
mode.
● The heated steering wheel will automatically turn off after about 30 minutes.
Heats the seat at low tempera-
ture (LO)
Heats the seat at high tempera-
ture (HI)
The indicator light comes on when
one side of the switch is pressed.
To stop the operation, gently press
the other side of the switch.
●The seat heaters can be used when the power switch is in ON mod e.
● When not in use, turn off the switch. The indicator light goes off.
Heated steering wheel (if equipped)
Seat heaters (if equipped)
Indicator
Indicator
1
2

504
PRIUS_OM_OM47E09U_(U)
6-1. Maintenance and care
NOTICE
■Cleaning detergents
● Do not use the following types of detergent, as they may discol or the vehi-
cle interior or cause streaks or damage to painted surfaces:
• Non-seat portions: Organic substances such as benzene or gasol ine,
alkaline or acidic solutions, dye, and bleach
• Seats: Alkaline or acidic solutions, such as thinner, benzene, and alco-
hol
● Do not use polish wax or polish cleaner. The instrument panel’s or other
interior part’s painted surface may be damaged.
■ Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of
leather surfaces:
● Remove any dust or dirt from leather surfaces immediately.
● Do not expose the vehicle to direct sunlight for extended perio ds of time.
Park the vehicle in the shade, especially during summer.
● Do not place items made of vinyl, plastic, or containing wax on the uphol-
stery, as they may stick to the leather surface if the vehicle interior heats
up significantly.
■ Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio system may be damaged if wate r comes
into contact with electrical components such as the audio syste m above or
under the floor of the vehicle. Water may also cause the body to rust.
■ When cleaning the inside of the windshield (vehicles with Toyota
Safety Sense 2.0)
Do not allow glass cleaner to contact the lens. Also, do not to uch the lens.
( P. 289).
■ Cleaning the inside of the rear window
● Do not use glass cleaner to clean the rear window, as this may cause
damage to the rear window defogger heater wires. Use a cloth da mpened
with lukewarm water to gently wipe the window clean. Wipe the w indow in
strokes running parallel to the heater wires.
● Be careful not to scratch or damage the heater wires.

684
PRIUS_OM_OM47E09U_(U)
8-1. Specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation
pressure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressureThe maximum cold inflated pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended
inflation pressureCold tire inflation pressure recommended by a
manufacturer
Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of hybrid
transmission, power steering, power brakes,
power windows, power seats, radio and
heater, to the extent that these items are avail-
able as factory-installed equipment (whether
installed or not)
Curb weight
The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded
vehicle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below

726Alphabetical index
PRIUS_OM_OM47E09U_(U)
Bottle holders .......................... 464
BrakeFluid ...................................... 671
Parking brake........................ 262
Regenerative braking.............. 86
Warning light ......................... 592
Brake assist ............................. 420
Brake Override System ........... 229
Break-in tips ............................. 230
Brightness control Instrument cluster light
control................................. 100
BSM (Blind Spot Monitor) ....... 349 Blind Spot Monitor
function ............................... 354
Rear Cross Traffic Alert function ............................... 357
Care................................... 496, 502 Aluminum wheels.................. 497
Exterior ................................. 496
Front camera ........................ 291
Interior................................... 502
Radar sensor ........................ 290
Seat belts .............................. 503
Water-repellent coating......... 497
Cargo capacity ......................... 242
Cargo hooks............................. 468 Catch protection function....... 219
CD player
*
Chains ...................................... 431
Child restraint system............... 56
Fixed with a LATCH
system .......... ..................... ... 69
Fixed with a seat belt .............. 63
Front passenger occupant classification syst em ............ 49
Points to remember ................ 57
Riding with children ................ 55
Types of child restraint system installation method ............... 59
Using an anchor bracket......... 72
Child safety ................................ 55 12-volt battery precautions ... 526
Airbag precautions.................. 38
Back door precautions .......... 193
Child restraint system ............. 56
How your child should wear the seat belt.......................... 31
Installing child restraints ......... 59
Moon roof precautions .......... 226
Power window lock switch .... 218
Power window precautions ... 221
Rear door child-protectors .... 188
Removed key battery precautions......................... 562
Riding with children ................ 55
Seat belt extender precautions........................... 34
Seat belt precautions .............. 68
Seat heater precautions ....... 456
Child-protectors ...................... 188
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