2013 TOYOTA PRIUS PLUS engine coolant

462
5-1. Essential information
PRIUS +_OM_OM47841E_(EE)
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional as
soon as possible.
Visible symptoms
Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
Flat-looking tires or uneven tire wear
High engine coolant temperature warning light flashes or
comes on
Audible symptoms
Changes in exhaust sound
Excessive tire squeal when cornering
Strange noises related to the suspension system
Pinging or other noises related to the hybrid system
Operational symptoms
Engine missing, stumbling or running roughly
Appreciable loss of power
Vehicle pulls heavily to one side when braking
Vehicle pulls heavily to one side when driving on a level road
Loss of brake effectiveness, spongy feeling, pedal almost
touches the floor

464 5-2. Steps to take in an emergency
PRIUS +_OM_OM47841E_(EE)
Stop the vehicle immediately.
The following warning indicates the possibility of damage to the vehi-
cle that may lead to an accident. Immediately stop the vehicle in a
safe place and contact any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.
Warning lightWarning light/Details
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
Low engine oil pressure warning light
Indicates that the engine oil pressure is too low
High coolant temperature warning light
Indicates that the coolant temperature is too high
Changes from a flashing to a solid light when the engine
coolant temperature increases.
Hybrid system warning light (warning buzzer)
Indicates a malfunction in the hybrid system

5
527 5-2. Steps to take in an emergency
When trouble arises
PRIUS +_OM_OM47841E_(EE)
CAUTION
To prevent an accident or injury when inspecting under the hood of
your vehicle
If steam is seen coming from under the hood, do not open the hood until
the steam has subsided. The engine compartment may be very hot, caus-
ing serious injuries such as burns.
After the hybrid system has been turned off, check that the indicator on the
“POWER” switch and the “READY” indicator are off.
When the hybrid system is operating, the gasoline engine may automati-
cally start, or the cooling fans may suddenly operate even if the gasoline
engine stops. Do not touch or approach rotating parts such as the fans,
which may lead to fingers or clothing (especially a tie, a scarf or a muffler)
getting caught, resulting in serious injury.
Do not loosen the coolant reservoir cap while the hybrid system and radia-
tor are hot.
Serious injury, such as burns, may result from hot coolant and steam
released under pressure.
NOTICE
When adding engine/power control unit coolant
Wait until the hybrid system has cooled down before adding engine/power
control unit coolant.
When adding coolant, do so slowly. Adding cool coolant to a hot hybrid sys-
tem 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 additives.

541 6-1. Specifications
6
Vehicle specifications
PRIUS +_OM_OM47841E_(EE)
Cooling system
Ignition system
Capacity
Gasoline
engine
Without an exhaust heat recovery system
6.5 L (6.9 qt., 5.7 Imp.qt.)
With an exhaust heat recovery system
6.9 L (7.3 qt., 6.1 Imp.qt.)
Power
control
unit2.7 L (2.9 qt., 2.4 Imp.qt.)
Coolant typeUse 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 technol-
ogy
Do not use plain water alone.
Spark plug
Make DENSO SC20HR11
Gap 1.1 mm (0.043 in.)
NOTICE
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.

560 Alphabetical index
PRIUS +_OM_OM47841E_(EE)
Engine
Accessory mode ................... 208
Compartment ........................ 397
Hood ..................................... 391
How to start the hybrid
system ................................ 206
Identification number............. 535
If the hybrid system will not
start..................................... 510
Ignition switch ....................... 206
Overheating .......................... 522
“POWER” switch ................... 206
Engine coolant
Capacity ................................ 541
Checking ............................... 402
Preparing and checking
before winter ....................... 313
Engine/power control unit coolant
Capacity ................................ 541
Checking ............................... 402
Preparing and checking
before winter ....................... 313
Engine oil
Capacity ................................ 537
Checking ............................... 398
Preparing and checking
before winter ....................... 313
EPS............................................ 291
EV drive mode switch.............. 213Floor mats ................................ 369
Fluid
Brake .................................... 543
Washer ................................. 405
Fog lights
Replacing light bulbs............. 439
Switch ................................... 258
Wattage ................................ 545
Foot lights ................................ 341
Front fog lights
Replacing light bulbs............. 439
Switch ................................... 258
Wattage ................................ 545
Front passenger’s seat belt
reminder light ........................ 471
Front position lights
Switch ................................... 253
Front seats
Adjustment .............................. 98
Flattening seatbacks ............... 99
Front turn signal lights
Replacing light bulbs............. 439
Switch ................................... 225
Wattage ................................ 545
Fuel
Capacity ................................ 536
Fuel gauge ............................ 228
Information ............................ 546
Refueling............................... 134
Type ...................................... 546
Fuel door .................................. 134
Fuel filler door.......................... 134
Fuses ........................................ 427F

566 Alphabetical index
PRIUS +_OM_OM47841E_(EE)
USB port*
Vanity lights
Vanity lights........................... 357
Wattage................................. 545
Vanity mirrors .......................... 357
Vehicle identification
number ................................... 535
Vehicle stability control .......... 291
VSC ........................................... 291
Warning buzzers
Brake system ........................ 463
Open door ............................ 470
Seat belt reminder................. 471Warning lights
Anti-lock brake system
(ABS) .................................. 465
Automatic headlight leveling
system ................................ 468
Brake system ................ 463, 466
Charging system ................... 464
Cruise control........................ 468
Electric power steering
system ................................ 465
High coolant temperature ..... 464
Hybrid battery indicator
light ..................................... 467
Hybrid system ....................... 464
Hybrid system overheat ........ 469
LED headlights ..................... 468
Low engine oil pressure ........ 464
Low fuel level ........................ 470
Low hybrid battery
(traction battery) ................. 470
Malfunction indicator lamp .... 465
Open door ............................. 470
Parking lock system .............. 467
P position request ................. 469
Pre-crash safety system ....... 466
Radar cruise control.............. 468
Seat belt warning light .......... 471
Slip indicator ......................... 466
Smart entry & start system ... 473
SRS airbags.......................... 465
U
V
W

569 What to do if...
PRIUS +_OM_OM47841E_(EE)
A warning light or indicator
light comes onP. 463If a warning light turns on or a
warning buzzer sounds
Warning lights
P. 463P. 465
P. 464P. 465
P. 464P. 465
P. 464P. 465
P. 464P. 466
Charging system
warning lightSRS warning light
Low engine oil pressure
warning lightABS warning light
High coolant
temperature warning
lightElectric power steering
system warning light
Hybrid system warning
lightPre-crash safety system
warning light*1
Brake system warning
light (red indicator)Malfunction indicator
lamp