2020 TOYOTA PRIUS PRIME air conditioning

709
PRIUS PRIME_OM_OM47C77U_(U)
8
When trouble arises
8-2. Steps to take in an emergency
If your vehicle overheats
■If the high coolant temperature warning light comes on or
flashesStop 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 t he
hoses and radiator core (ra diator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant
leaks, immediately contact
your Toyota dealer.
The following may indicate that your vehicle is overheating.
● The high coolant temperature warning light ( P. 664) comes on
or flashes, or a loss of hybrid system power is experienced. (F or
example, the vehicle s peed does not increase.)
● “Hybrid System Overheated” is shown on the multi-information
display.
● Steam comes out from under the hood.
Correction procedures
1
2
3
1
2

7108-2. Steps to take in an emergency
PRIUS PRIME_OM_OM47C77U_(U)
The coolant level is satisfactory if it is between the “FULL” and
“LOW” lines on the reservoir.
Reservoir
“FULL” line
“LOW” line
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the hybrid system and turn the air conditioning system on to
check that the radiator cooling fans operate and to check for
coolant leaks from t he radiator or hoses.
The fans operate when the temperature setting is adjusted to “LO” and
“A/C” switch (
*1 • *2) is turned on immediately after a
cold start. Confirm that the fans are operating by checking the fan sound
and air flow. If it is difficult to check these, turn the “A/C” switch
(
*1 • *2) on and off repeatedly. (The fans may not
operate in freezing temperatures.)
*1: Vehicles with 7-inch display
*2: Vehicles with 11.6-inch display
If the fans are not operating:
Stop the hybrid system immediately and contact your Toyota
dealer.
If the fans are operating:
Have the vehicle inspected at the neare st Toyota dealer.
4
1
2
3
5
6
7

PRIUS PRIME_OM_OM47C77U_(U)
7359-1. Specifications
9
Vehicle 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

PRIUS PRIME_OM_OM47C77U_(U)
7499-2. Customization
9
Vehicle specifications
■Remote Air Conditioning System (P. 522)
■Illumination ( P. 5 2 8 )
*: If equipped
FunctionDefault
settingCustomized setting
Operation using the “A/C” but-
ton on the wireless remote
controlPress and
hold for 0.8 seconds
Press once
––O
Press twice
Press and
hold for 2.4
seconds
Off
Stopping the operation using
the “A/C” button on the wire-
less remote control
Press twice
Press once
––O
Press and
hold for 0.8 seconds
Press and
hold for 2.4
seconds
Off
123
FunctionDefault settingCustomized setting
Time elapsed before the inte-
rior lights turn off 15 secondsOff
–OO
7.5 seconds
30 seconds
Operation after the power
switch is turned offOnOff––O
Operation when the doors are
unlockedOnOff––O
Operation when you
approach the vehicle with the
electronic key on your person
OnOff––O
Footwell lighting*OnOff––O
Interior lights illumination con-
trolOnOff––O
123

774Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
Alphabetical index
A/C .................................... 500, 511Air conditioning eco
mode .......................... 503, 514
Air conditioning filter ............. 628
Automatic air conditioning system .... 500, 511
Eco score (A/C score)........... 241
Humidity sensor ............ 510, 521
Remote Air Conditioning System ............................... 522
S-FLOW mode .............. 501, 513
ABS (Anti-lock Brake System) .................................. 489 Function ................................ 489
Warning light ......................... 663
Air conditioning filter .............. 628
Air conditioning system ............................ 500, 511 Air conditioning eco mode .......................... 503, 514
Air conditioning filter ............. 628
Automatic air conditioning system .... 500, 511
Eco score (A/C score)........... 241
Humidity sensor ............ 510, 521
Remote Air Conditioning System ............................... 522
S-FLOW mode .............. 501, 513
Air intake vent ............................ 99 Cleaning................................ 570 Airbags ....................................... 36
Airbag operating conditions .... 44
Airbag precaut ions for your
child ...................................... 40
Airbag warning light .............. 663
Correct driving posture ........... 28
Curtain shield airbag operating conditions ............. 45
Curtain shield airbag precautions........................... 42
Front passenger occupant
classification syst em ............ 50
General airbag precautions .... 39
Locations of airbags ............... 36
Modification and disposal of airbags ................................. 43
Side airbag operating
conditions ............................. 45
Side airbag precautions .......... 41
Side and curtain shield airbags operating
conditions ............................. 45
Side and curtain shield
airbags precautions .............. 42
SRS airbag instructions for Canadian owners ............... 757
SRS airbags ........................... 36
Anchor brackets ........................ 73
Antenna Smart key system ................. 290
Anti-lock brake system (ABS) ...................................... 489 Function ................................ 489
Warning light......................... 663
A

775Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
Approach warning ................... 413
Armrest ..................................... 553
Assist grips .............................. 554
Audio input
*
Audio system*
Automatic air conditioning system ..... 500, 511 Air conditioning eco
mode .......................... 503, 514
Air conditioning filter ............. 628
Automatic air conditioning system .... 500, 511
Eco score (A/C score)........... 241
Humidity sensor ............ 510, 521
Remote Air Conditioning System ............................... 522
S-FLOW mode .............. 501, 513
Automatic door locking and unlocking systems ........ 282
Automatic High Beam ............. 355
Automatic light control
system .................................... 353
AUX port
*
Auxiliary boxes ........................ 535
Back door ................................. 285
Back-up light ............................ 643
Replacing light bulbs............. 644
Wattage ................................ 726
Battery (12-volt battery) .......... 595 Battery checking ................... 595
Exchanging ........................... 706
If the 12-volt battery is discharged .......................... 703
Preparing and checking
before winter....................... 495
Replacing .............................. 706
Warning light ......................... 662 Battery (traction battery) .......... 98
Air intake vent ......................... 99
Charging ............................... 110
Location .................................. 98
Specification ......................... 721
Status indicator ..................... 112
Blind Spot Monitor (BSM) ....... 421 Blind Spot Monitor function... 425
Rear Cross Traffic Alert
function............................... 428
Bluetooth
®*
Bottle holders .......................... 534
Brake Fluid ...................................... 725
Parking brake ....................... 349
Regenerative braking ............. 94
Warning light......................... 662
Brake assist ............................. 489
Brake Override System ........... 320
Break-in tips............................. 321
Brightness control Instrument cluster light control ................................ 194
BSM (Blind Spot Monitor) ....... 421 Blind Spot Monitor function... 425
Rear Cross Traffic Alert function............................... 428
Care .................................. 564, 569 Aluminum wheels ................. 565
Camera sensor ..................... 377
Exterior ................................. 564
Interior .................................. 569
Radar sensor ........................ 376
Seat belts.............................. 572
Water-repellent coating ........ 565
B
C
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.

780Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
Front seats ............................... 299Adjustment ............................ 299
Cleaning................................ 569
Correct driving posture ........... 28
Head restraints ..................... 303
Seat heaters ......................... 526
Front side marker lights.......... 350 Light switch ........................... 350
Replacing light bulbs............. 648
Front turn signal lights ........... 348 Replacing light bulbs............. 648
Turn signal lever ................... 348
Fuel ........................................... 368 Capacity ................................ 720
Fuel gauge ............................ 209
Information ............................ 727
Refueling............................... 368
Type ...................................... 720
Warning light ......................... 664
Fuel consumption.... 231, 263, 269
Average fuel consumption .... 231
Current fuel consumption...... 269
Fuel filler door.......................... 368
Opener .................................. 370
Refueling............................... 368
When the fuel filler door cannot be opened............... 371
Fuses ........................................ 638
Garage door opener ................ 555
Glove box ................................. 532 Hands-free system (for
cellular phone)
*
Head restraints ........................ 303
Head-up display....................... 251
Headlights ................................ 350
Automatic High Beam ........... 355
Headlight aim................ 641, 766
Light switch ........................... 350
Replacing light bulbs ............ 648
Heated steering wheel ............ 526
Heaters Automatic air conditioning system.... 500, 511
Heated steering wheel .......... 526
Hybrid battery (traction
battery) ............................... 135
Outside rear view
mirrors ........................ 504, 515
Seat heaters ......................... 526
High coolant temperature
warning light.......................... 664
High mounted stoplight Replacing.............................. 648
High-voltage components ........ 98
Hill-start assist control ........... 490
Hood ......................................... 585
Hooks Coat hooks ........................... 553
Grocery bag hook ................. 537
Retaining hooks (floor mat) .... 26
Horn .......................................... 306
HV mode ..................................... 87
G
H

783Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
Main display ............................. 209
MaintenanceDo-it-yourself maintenance ... 582
General maintenance ........... 578
Maintenance data ................. 718
Maintenance requirements ... 575
Malfunction indicator lamp ..... 662
Master warning light................ 672
Meter ......................................... 192 Clock adjustment .................. 197
Combination meter ............... 192
Head-up display .................... 251
Indicators .............................. 204
Instrument cluster light control................................. 194
Main display .......................... 209
Multi-information display ....... 218
Warning lights ....................... 202
Warning messages ............... 672
Microphone
*1, 2......................... 76
Mirrors Inside rear view mirror .......... 308
Outside rear view mirror defoggers ................... 504, 515
Outside rear view mirrors...... 310
Vanity mirrors........................ 540
MP3 disc
*1
Multi-information display ........ 218
Air conditioning system settings screen ................... 239
Audio system-linked display ................................ 238
BSM (Blind Spot Monitor) ..... 421
Display contents ................... 218
Drive information................... 220
Driving assist system
information.......................... 243
Dynamic radar cruise control with full-speed range .......... 403 Energy monitor ..................... 221
Intuitive parking assist .......... 434
Language.............................. 246
LDA (Lane Departure Alert
with steering control) .......... 397
Navigation system-linked display ................................ 238
Parking Support Brake
function............................... 448
Pre-collision warning ............ 381
S-APGS (Simple Advanced Parking Guidance
System) .............................. 459
Settings................................. 244
Warning message................. 243
Navigation system
*2
Noise from under vehicle ........... 8
Odometer ................................. 211
Oil Engine oil .............................. 722
Opener Back door ............................. 285
Fuel filler door ....................... 370
Garage door ......................... 555
Hood ..................................... 585
Outside rear view mirrors ....... 310
Adjustment............................ 310
BSM (Blind Spot Monitor) ..... 421
Folding .................................. 310
Outside rear view mirror defoggers ................... 504, 515
Outside temperature
display.................................... 209
Overhead console ................... 535
Overheating ............................. 709
M
N
O
*1: Refer to “MULTIMEDIA OWNER’S MANUAL”.
*2: Refer to “NAVIGATION S YSTEM OWNER’S MANUAL”.