heating TOYOTA PRIUS PRIME 2023 Owner's Manual

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