2019 TOYOTA PRIUS C heating

3796-1. Using the air conditioning system and defogger
6
Interior features
PRIUS c_U
■Operation of the air conditioning system in Eco drive mode
In Eco drive mode, the air conditioning system is controlled as follows to pri-
oritize fuel efficiency:
● Engine speed and compressor operation controlled to restrict heating/cool-
ing capacity
● Fan speed restricted when automatic mode is selected
To improve air conditioning perf ormance, perform the following operations:
● Adjust the fan speed
● Turn off Eco drive mode
■ Using automatic mode
Fan speed is adjusted automatically according to the temperatur e setting and
the ambient conditions.
Therefore, the fan may stop for a while until warm or cool air is ready to flow
immediately after is pressed.
■ Fogging up of the windows
●The windows will easily fog up when the humidity in the vehicle is high.
Turning on will dehumidify the air from the outlets and defog the wind-
shield effectively.
● If you turn off, the windows may fog up more easily.
● The windows may fog up if the recirculated air mode is used.

5268-2. Steps to take in an emergency
PRIUS c_U
● ( P. 486) is shown on the mu lti-information display.
● The hybrid system overheat warning message ( P. 489) is shown
on the multi-information display.
● Steam comes out f rom under the hood.
■If is shown on the mult i-information display
Stop the vehicle in a safe place and turn off the air conditioning
system, and then stop the hybrid system.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the hybrid system has
cooled down sufficiently,
inspect the hoses and radia-
tor core (radiator) for any
leaks. Radiator
Cooling fan
If a large amount of coolant
leaks, immediately contact
your Toyota dealer.
If your vehicle overheats
The following may indicate that your vehicle is overheating.
Correction procedures
1
2
3
1
2

587Alphabetical index
PRIUS c_U
Child safetyAirbag precautions .................. 42
Child-protectors .................... 129
Child restraint system ............. 58
How your child should
wear the seat belt ................. 34
Installing child restraints ......... 62
Moon roof precautions .......... 167
Power window lock switch .... 161
Power window precautions ... 164
Removed key battery precautions ......................... 451
Seat belt extender precautions ........................... 38
Seat belt precautions .............. 36
Seat heater precautions........ 382
12-volt battery precautions ................. 431, 525
Cleaning Exterior ................................. 398
Interior................................... 401
Seat belts .............................. 404
Clock ......................................... 106
Coat hooks ............................... 393
Condenser ................................ 426
Console box ............................. 387
Cooling system
Hybrid system overheating ... 526
Cord hook................................. 282
Cruise control .......................... 249
Cup holders.............................. 389
Curtain shield airbags ............... 40
Customizable features ............ 558 Daytime running light
system.................................... 208
Defogger Rear window ......................... 376
Side mirrors .......................... 376
Dimension ................................ 534
Dinghy towing.......................... 185
Display Energy flow ........................... 110
Multi-information display ....... 101
Trip information..................... 101
Warning message................. 485
Do-it-yourself maintenance .... 414
Doors Back door ............................. 134
Door lock .............................. 128
Door windows ....................... 161
Rear door child protector ...... 129
Side doors ............................ 125
Side mirrors .......................... 159
Driver’s seat belt reminder light ........................................ 479
Driving
Break-in tips.......................... 172
Correct posture ....................... 28
Procedures ........................... 170
Winter driving tips ................. 272D

588Alphabetical index
PRIUS c_U
Eco drive mode ........................ 201
Electric power steering ........... 263
Electronic keyIf the electronic key does not operate properly ........... 517
Emergency flashers Switch ................................... 466
Emergency, in case of
If a warning buzzer sounds ........................ 477, 485
If a warning light
turns on .............................. 477
If a warning message is displayed ............................ 485
If the electronic key does not operate properly ........... 517
If the hybrid system will
not start .............................. 515
If the vehicle becomes stuck ................................... 530
If the vehicle 12-volt battery is discharged .......... 519
If you have a flat tire ............ 502
If you lose your keys ............. 120
If you think something is
wrong.................................. 476
If your vehicle has to
be stopped in an
emergency.......................... 467
If your vehicle needs to
be towed ............................. 469
If your vehicle overheats ....... 526 Engine
Compartment ........................ 420
Hood ..................................... 417
How to start the hybrid system ....... ................. 186, 190
Identification number ............ 535
If the hybrid system will not start .............................. 515
Ignition switch ............... 186, 190
Overheating .......................... 526
Power switch ................ 186, 190
Engine coolant Capacity................................ 538
Checking............................... 424
Preparing and checking before winter ...................... 272
Engine oil
Capacity................................ 537
Checking............................... 421
Preparing and checking before winter ...................... 272
Engine/power control unit coolant
Capacity................................ 538
Checking............................... 424
Preparing and checking before winter ...................... 272
EPS ........................................... 263
EV drive mode ......................... 197
Event data recorder................... 11
Exclusive jump starting terminal .................... 519
E

591Alphabetical index
PRIUS c_U
MaintenanceDo-it-yourself
maintenance ....................... 414
Emission inspection and maintenance (I/M)
programs ............................ 413
General maintenance ........... 410
Maintenance data ................. 534
Maintenance requirements ... 407
Meter Instrument panel light
control................................... 99
Meters ..................................... 97
Microphone .............................. 331
Mirrors
Inside rear view mirror .......... 158
Outside rear view mirror defogger ............................. 376
Outside rear view mirrors...... 159
Vanity mirrors........................ 391
Moon roof ................................. 165
MP3 disc ................................... 298
Multi-information display ........ 101
Navigation system
*
Noise from under vehicle............ 8 Odometer ................................... 98
Oil
Engine oil .............................. 537
Opener Back door ............................. 134
Fuel filler door ....................... 219
Hood ..................................... 417
Outside rear view mirrors
Adjusting and folding ............ 159
Defogger ............................... 376
Outside temperature
display...................................... 99
Overheating, Hybrid system.................................... 526
Parking brake........................... 205
Parking lights Replacing light bulbs ............ 458
Switch ................................... 206
Wattage ................................ 542
PCS (Pre-Collision system) .... 229 PCS (Pre-Collision
system) switch...... .............. 232
Warning light......................... 479
Personal lights Switch ................................... 384
Wattage ................................ 542
Power outlet ............................. 392
Power switch ................... 186, 190
Power windows ....................... 161
Pre-Collision system (PCS) .... 229 PCS (Pre-Collision
system) switch...... .............. 232
Warning light......................... 479
M
N
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*: For vehicles with a navigation system, refer to the “NAVIGATION SYSTEM OWNER'S MANUAL”.