2023 TOYOTA PRIUS PRIME heating

4446-1. Using the air conditioning system and defogger
The level indicators come on
yellow during operation.
Each time the switch is pressed,
the operation condition changes as
follows.
Hi (3 segments lit)  Mid (2 seg-
ments lit)  Lo (1 segment lit) 
Off
■Outboard rear seats (if
equipped)
Press the switch to turn the seat
heater on/off.
The indicator on the switch illumi-
nates during operation.
■Operation condition
The power switch is in ON.
Press the switch to turn the seat
ventilator on/off.
The level indicators come on
green during operation.
Each time the switch is pressed,
the operation condition changes as
follows.
Hi (3 segments lit)  Mid (2 seg-
ments lit)  Lo (1 segment lit) 
Off
■Operation condition
The power switch is in ON.
■Air conditioning system-linked
control mode
When a seat ventilator is set to Hi,
the fan speed of the seat ventilator
AWARNING
■To prevent causes of over-
heating and minor burn inju-
ries
Observe the following precautions
when using a seat heater:
●Do not cover the seat with a
blanket or cushion when using
the seat heater.
●Do not use seat heater more
than necessary.
Operating the seat venti-
lators
A

4626-4. Using the other interior features
■The wireless charger can be
operated when
The power switch is in ACC or ON.
■Usable smartphones
●Qi standard wireless charge stan-
dard can be used on compatible
devices. However, not all Qi stan- dard devices and compatibility are
guaranteed.
●This product is designed for use
with smartphones with a power
supply of 5 W or less.
●However, charging exceeding 5 W
is supported by the following
smartphones.
• Charging at 7.5 W or less is sup-
Orange (Repeatedly flashes 3 times
continuously)
Foreign substance detection:
The abnormal heating prevention
function for foreign substances
operated due to the presence of a
metallic foreign substance in the
charge area
 Remove the foreign substance
from the charge area.
Smartphone misaligned:
The abnormal heating prevention
function for foreign substances
operated due to the charging coil
in the smartphone moving outside
of the charge area
Remove the smartphone from
the wireless charger, check that
the operation indicator light
changes back to green, and then
place the smartphone so that it
is near the center of the wireless
charger. Also, if a case or cover
is installed to the smartphone,
remove it. Also refer to “Situa-
tions in which the function may
not operate normally”. ( P.463)
Orange (Repeatedly flashes 4 times
continuously)
Safety shutdown resulting when
the temperature within the wireless
charger exceeded the set value
Remove the smartphone from
the charging area and start
charging after waiting for the
operation indicator light to
changes back to green.
Operation indicator lightSuspected causes/Handling method

4646-4. Using the other interior features
placed outside the charge area
●The vehicle is in an area where
strong electrical waves or noise
are emitted, such as near a televi-
sion tower, power plant, gasoline
station, broadcasting station, large
display, airport, etc.
●The electronic key is not inside the
vehicle
●Any of the following objects that is
0.08 in. (2 mm) or thicker is stuck
or installed between the charging
side of the smartphone and the
charge area.
• Thick cases or covers
• A case or cover attached with an
uneven or tilted surface, so that
the charging side is not flat
• Thick decorations
• Accessories, such as finger rings, straps, etc.
●When there is a gap between the
charging side of the smartphone
and the charge area due to a pro-
trusion such as a camera on the
charging side of the smartphone.
●When the smartphone is in con-
tact with, or is covered by any of
the following metallic objects:
• A card that has metal on it, such as aluminum foil, etc.
• A pack of cigarettes that includes aluminum foil
• A wallet or bag that is made of
metal
• Coins
• A heating pad
• CDs, DVDs or other media
• A metal accessory
• A case or cover made of metal
• A flip type case with a magnet on the charging side of the smart-
phone
●Electric wave type wireless
remote controls are being used
nearby
●2 or more smartphones are placed
on the wireless charger at the
same time
●When using a smartphone model
with an internal charging coil that is not located near the center of
the smartphone
If charging is abnormal or the opera-
tion indicator light continues to flash
for any other reason, the wireless
charger may be malfunctioning.
Contact your Toyota dealer.
■If the smartphone OS has been
updated
If the smartphone OS has been
updated to a newer version, its
charging specifications may have
changed significantly. For details,
check the information on the manu-
facturer’s website.
■Trademark information
iPhone is a trademark of Apple Inc.,
registered in the U.S. and other
countries.
WARNING
■Caution while driving
When charging a smartphone, for
safety reasons, the driver should
not operate the main part of the
smartphone while driving.
■Caution regarding interfer-
ence with electronic devices
People with implantable cardiac
pacemakers, cardiac resynchroni-
zation therapy-pacemakers or
implantable cardio verters, as well
as any other electrical medical
device, should consult their physi-
cian about the usage of the wire-
less charger.
■To prevent malfunctions or
burns
Observe the following precau-
tions. Failure to do so may result
in a equipment failure and dam-
age, catch fire, burns due to over-
heat or electric shock.
●This product is specialized for
use with smartphones and can-
not charge other devices.

5568-2. Steps to take in an emergency
■High coolant temperature warning light (warning buzzer)
■Low engine oil pressure warning light* (warning buzzer)
*: This light illuminates on the multi-information display with a message.
■Hybrid system overheat warning light* (warning buzzer)
*: This light illuminates on the multi- information display with a message.
■Malfunction indicator lamp
Warning lightDetails/Actions
Indicates that the engine is overheating
Immediately stop the vehicle in a safe
place.
Handling method ( P.594)
Warning lightDetails/Actions
Indicates that the engine oil pressure is too low
 Immediately stop the vehicle in a safe
place and contact your Toyota dealer.
( P.506)
Warning lightDetails/Actions
Indicates that the hybrid system has overheated
 Stop the vehicle in a safe place. Handling
method ( P.595)
Warning lightDetails/Actions
(U.S.A.)
(Canada)
Indicates a malfunction in:
 The hybrid system;
 The electronic engine control system;
 The electronic throttle control system; or
 The emission control system (if equipped)
 Have the vehicle inspected by your Toyota
dealer immediately.

5948-2. Steps to take in an emergency
■If the high coolant tempera-
ture warning light comes on
or flashes or “Engine Cool-
ant Temp High Stop in a
Safe Place See Owner’s
Manual” is shown on the
multi-information display
1 Stop the vehicle in a safe
place and turn off the air con-
ditioning system, and then
stop the hybrid system.
2 If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
3 After the hybrid system has
cooled down sufficiently,
inspect the hoses and radia-
tor core (radiator) for any
leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
4The coolant level is satisfac-
tory if it is between the “MAX”
and “MIN” lines on the reser-
voir.
Reservoir
“MAX” line
“MIN” line
If your vehicle over-
heats
The following may indicate
that your vehicle is over-
heating.
The high coolant tempera-
ture warning light ( P.556)
comes on or flashes, or a
loss of hybrid system power
is experienced. (For exam-
ple, the vehicle speed does
not increase.)
 “Engine Coolant Temp High
Stop in a Safe Place See
Owner’s Manual” or “Hybrid
System Overheated Output
Power Reduced” is shown
on the multi-information dis-
play.
 Steam comes out from
under the hood.
Correction procedures
A
B
A
B
C

652Alphabetical Index
sification system ................... 44
Points to remember ................ 51
Riding with children ................ 50
Types of child restraint system installation method ............... 53
Using an anchor bracket ........ 62
Child safety ............................... 50 12-volt battery precautions . 511, 592
Airbag precautions ................. 40
Back door precautions ......... 191
Charging precautions ........... 115
Child restraint system............. 53
Heated steering wheel precau- tions.................................... 443
How your child should wear the seat belt................................ 32
Power window lock switch.... 229
Power window precautions .. 228
Rear door child-protector lock ........................................... 189
Removed key battery precau- tions.................................... 539
Seat belt extender precautions ............................................. 32
Seat belt precautions ............. 31
Seat heater precautions ....... 443
Window lock switch .............. 229
Cleaning .......................... 486, 490 Aluminum wheels ................. 486
Exterior ................................. 486
Interior .................................. 490
Radar sensor........................ 355
Seat belts ............................. 490
Condenser .............................. 508
Console box ............................ 451
Coolant Checking .............................. 507
Preparing and checking before winter.................................. 429
Warning light ........................ 556
Cooling system ...................... 507 Hybrid system overheating ...594
Coussins gonflables Emplacement des coussins gonflables SRS...................639
Modification et mise au rebut des coussins gonflables ............645
Précautions générales relatives aux coussins gonflables .....641
Précautions relatives aux couss- ins gonflables en rideau .....641
Précautions relatives aux couss- ins gonflables latéraux et en
rideau .................................641
Précautions relatives aux couss- ins gonflables latéraux........641
Précautions relatives aux couss- ins gonflables pour vos enfants...........................................641
Cruise control Cruise control .......................342
Dynamic radar cruise control 331
Cup holders.............................451
Current fuel economy ............163
Curtain shield airbags ..............35
Customizable features ...........618
Custom mode..........................422
D
Daytime running light system270 Replacing exterior lights .......543
Deck board ..............................454
Deck under tray ......................455
Defogger Outside rear view mirrors .....436
Rear window.........................436
Windshield ............................435
Digital Rear-view Mirror .........217
Dimensions .............................600
Dinghy towing .........................250
Display Cruise control .......................342
Driving information ...............163

Alphabetical Index655
Fuel .......................................... 279Capacity ............................... 601
Fuel gauge ........................... 155
Information ........................... 607
Refueling .............................. 279
Type ............................. 601, 607
Warning light ........................ 562
Fuel filler door ..... ................... 280
Opener switch ...................... 280
Refueling .............................. 279
Fuel gauge .............................. 155
Fuses ....................................... 540
G
Garage door opener ............... 477
Gauges .................................... 155
Glove box ................................ 451
H
Headlights ............................... 269 AHB (Automatic High Beam) 272
Headlight aim ....................... 542
Replacing exterior lights ....... 543
Switch................................... 269
Headlights aim ........................ 542
Head restraints ....................... 212
Heated steering wheel ........... 443
Heaters Automatic air conditioning sys-tem ..................................... 434
Heated steering wheel ......... 443
Hybrid battery (traction battery) ........................................... 108
Outside rear view mirrors ..... 436
Seat heaters ......................... 443
High mounted stoplight Replacing exterior lights ....... 543
High voltage components ....... 83
Hill-start assist control .......... 424
Hood ........................................ 501
Hooks Cargo hooks .........................454
Retaining hooks (floor mat) ....28
Horn .........................................215
HV mode ....................................73
Hybrid battery (traction battery) .................................................83Charging ...............................116
Location ..................................83
Specification .........................602
Hybrid battery (traction battery) charge mode ...........................75
Hybrid system ...........................72 ACC ......................................254
Acoustic Vehicle Alerting System.............................................81
Brake Override System ........240
Drive-Start Control (DSC) .....245
Emergency shut off system ....87
Energy monitor/consumption screen.................................173
High voltage components .......83
How to start the hybrid system ...........................................251
Hybrid System Indicator .......155
If the hybrid system will not start ...........................................584
If your vehicle has to be stopped in an emergency .................547
Ignition switch (power switch) ...........................................251
Overheating ..........................594
Plug-in Hybrid Electric Vehicle driving tips ............................88
Plug-in hybrid system precau- tions ......................................83
Power (ignition) switch .........251
Regenerative braking .............78
Starting the hybrid system ....251
Hybrid System Indicator ........155
I
I/M test .....................................498

658Alphabetical Index
Rear door ............................. 188
Open tray ................................ 452
Outside rear view mirrors ...... 225 Adjustment ........................... 225
BSM (Blind Spot Monitor)..... 354
Folding ................................. 226
Outside rear view mirror defog-gers .................................... 436
RCTA function ...................... 373
Safe Exit Assist .................... 359
Outside temperature display . 159
Overheating ............................ 594
P
Panic mode ............................. 182
Parking assist sensors (intuitive parking assist) ...................... 363
Parking brake Operation ............................. 263
Parking brake engaged warning buzzer ................................ 265
Warning light ........................ 561
Warning message ................ 265
Parking lights ......................... 269 Replacing exterior lights ....... 543
Switch................................... 269
Parking Support Brake (PKSB) ............................................... 382Indicator ............................... 152
Parking Support Brake function (rear-crossing vehicles) ...... 392
Parking Support Brake function (static objects to the front and
rear/static objects around the
vehicle) ............................... 388
Parking Support Brake function (rear pedestrians) ................. 393Function ............................... 393
PCS (Pre-Collision System) Function ............................... 293
Warning light ........................ 558
Personal lights ....................... 447 PKSB (Parking Support Brake)
...............................................382Indicator................................152
Parking Support Brake function (rear-crossing vehicles) ......392
Parking Support Brake function (static objects to the front and
rear/static objects around the
vehicle) ...............................388
Plug-in hybrid system ..............72 AUTO EV/HV mode switch .....74
AUTO EV/HV mode ................73
Driving tips..............................88
EV driving range .....................90
EV mode.................................73
EV/HV mode selection switch 74
Features .................................72
How to charge ......................116
HV mode ................................73
Hybrid battery (traction battery) charge mode ........................74
Plug-in hybrid system operation mode ....................................73
Warning messages .................87
Power back door... ..................194
Close & lock (Walk-Away) func- tion......................................195
Power back door switch .......195
Power easy access system ...230
Power outlet (12 VDC) ............456
Power outlet (1500 W) ............468
Power sources ........................106
Power steering (Electric Power Steering system)...................424Warning light ........................558
Power switch...........................251 Auto power off function.........255
Changing the power switch modes.................................254
Starting the hybrid system ....251
Power windows..... ..................227
Catch protection function......227