2018 TOYOTA PRIUS V cooling

5328-2. Steps to take in an emergency
PRIUS v_OM_OM47B78U_(U)
NOTICE
■When adding engine/power control unit coolant
Add coolant slowly after the hybrid system has cooled down sufficiently.
Adding cool coolant to a hot hybrid system too quickly can cause damage to
the hybrid system.
■ To prevent damage to the cooling system
Observe the following precautions:
●Avoid contaminating the coolant with foreign matter (such as sand or dust
etc.).
● Do not use any coolant additive.

PRIUS v_OM_OM47B78U_(U)
5419-1. Specifications
9
Vehicle specifications
Cooling system
Capacity
Gasoline
engine7.3 qt. (6.9 L, 6.1 Imp.qt.)
Power
control unit2.9 qt. (2.7 L, 2.4 Imp.qt.)
Coolant type
Use either of the following:• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based non-silicate, non-amine, non-
nitrite, and non-borate coolant with
long-life hybrid organic acid technology
Do not use plain water alone.
Ignition system (spark plug)
MakeDENSO SC20HR11 or SC16HR11
Gap0.043 in. (1.1 mm)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
12-volt battery
Open voltage at 68 F (20 C):
12.0 V or higher
If the voltage is lower than the standard
value, charge the battery.
(After charging the battery, turn on the high
beam headlights for 30 seconds with the
power switch off, and turn the headlights
off.)
Charging rates4.2 A max.

PRIUS v_OM_OM47B78U_(U)
5659-2. Customization
9
Vehicle specifications
■PCS (Pre-Collision system) (P. 205)
■Automatic air conditioning system ( P. 360)
■Panoramic roof shades* ( P. 384)
*: If equipped
■
Seat belt reminder ( P. 480)
FunctionDefault
settingCustomized setting
PCS (Pre-Collision sys-
tem)OnOffO——
Alert timingMiddleFarO——Near
123
FunctionDefault settingCustomized setting
A/C auto switching oper-
ationOffOn–OO
Heating/cooling opera-
tion minimized in Eco
drive mode
OnOff––O
Switching between out-
side air and recirculated
air mode linked to A/C
auto switch operation
OnOff––O
123
FunctionDefault
settingCustomized setting
Door lock linked auto-
matic closing functionOnOff––O
123
FunctionDefault settingCustomized setting
Vehicle speed linked
seat belt reminder
buzzer
OnOff––O
123

589Alphabetical index
PRIUS v_OM_OM47B78U_(U)
Child-protectors....................... 117
CleaningAluminum wheels.................. 395
Exterior ................................. 394
Interior................................... 398
Panoramic roof ..................... 397
Radar sensor ........................ 201
Seat belts .............................. 399
Clock ................................... 90, 381
Condenser................................ 421
Console box ............................. 372
Coolant Capacity ................................ 541
Checking ............................... 419
Preparing and checking before winter....................... 262
Cooling system ........................ 419
Hybrid system overheating......................... 528
Consumption screen ............... 103
Cruise control Dynamic radar cruise control................................. 227
Cup holders.............................. 373
Curtain shield airbags ............... 41
Customizable features ............ 559 Daytime running light
system.................................... 183
Defogger Outside rear view mirrors ..... 362
Rear window ......................... 362
Windshield ............................ 362
Dimension ................................ 536
Dinghy towing.......................... 167
Display Drive information .................... 96
Dynamic radar cruise control ................................ 227
Energy monitor ............... 96, 103
LDA (Lane Departure Alert)................................... 217
Multi-information display ......... 94
Trip information....................... 92
Warning messages ............... 487
Do-it-yourself maintenance .... 407
Door courtesy lights ............... 368 Location ................................ 368
Wattage ................................ 544D