2014 TOYOTA PRIUS PLUS engine coolant

3246-3. Do-it-yourself maintenance
PRIUS +_OM_OM47888E_(EE)
Check the radiator and condenser and clear away any foreign objects.
If either of the above parts is extremely dirty or you are not sure of
their condition, have your vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and equipped profes-
sional.
WARNING
■ When the hybrid system is hot
Do not remove the engine/power control unit coolant reservoir caps.
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing serious injuries, such as burns.
NOTICE
■When adding coolant
Coolant is neither plain water nor stra ight antifreeze. The correct mixture of
water and antifreeze must be used to provide proper lubrication, corrosion
protection and cooling. Be sure to read the antifreeze or coolant label.
■ If you spill coolant
Be sure to wash it off with water to prevent it from damaging parts or paint.
Radiator and condenser
WARNING
■ When the hybrid system is hot
Do not touch the radiator or condenser as they may be hot and cause seri-
ous injuries, such as burns.
■ When the electric cooling fans are operating
Do not touch the engine compartment.
With the power switch in ON mode, the electric cooling fans may automati-
cally start to run if the air conditioning is on and/or the coolant temperature
is high. Be sure the power switch is off when working near the electric cool-
ing fans or radiator grille.

3757-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
7
When trouble arises
If you think something is wrong
●Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● High coolant temperature warning light flashes or comes on
● 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
● 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
If you notice any of the following symptoms, your vehicle proba-
bly needs adjustment or repair. Contact any authorized Toyota
dealer or repairer, or another duly qualified and equipped pro-
fessional as soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

3807-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
(If equipped)
Hybrid system overheat warning light (warning buzzer)The hybrid system has overheated
This light may come on when driving under severe operat-
ing conditions, and the output of the hybrid system may
temporarily decrease in order to protect the system. (For
example, when driving up a long steep hill or driving up a
steep hill in reverse.)
→ Stop and check. ( →P. 444)
(If equipped)
Cruise control indicator (yellow indicator)
Indicates a malfunction in the cruise control
→ Have the vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and
equipped professional immediately.
(Only outer frame flashes)
(If equipped)
Low hybrid battery (traction battery) warning light
(warning buzzer)
Hybrid battery (traction battery) level becomes low
because the shift position is in N for long time
→ Because recharging is not possible when the shift
position is in N, shift the shift position to P when
parking the vehicle for a long time.
High coolant temperature warning light
Changes from a flashing to a solid light when the engine
coolant temperature increases
→ Stop and check. ( →P. 444)
Automatic headlight leveling system warning light
Indicates a malfunction in the automatic headlight leveling
system
→ Have the vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and
equipped professional immediately.
Open door warning light (warning buzzer)*3
Indicates that a door is not fully closed
→ Check that all the doors are closed.
Low fuel level warning light
Indicates that remaining fuel is approximately 6.0 L (1.6
gal., 1.3 Imp.gal.) or less
→ Refuel the vehicle.
Warning lightWarning light/Details/Actions

4477-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)
7
When trouble arises
After stopping the hybrid system and waiting for 5 minutes or
more, start the hybrid system and check for the instrument clus-
ter or multi-information display.
If the hybrid system overheat warning light does not turn off or
the message does not disappear:
Stop the hybrid system and contact any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional.
If the hybrid system overheat warning light does not come on or
the message is not displayed:
The hybrid system temperature has dropped and the vehicle may
be driven normally.
However, if the warning light comes on again frequently or the message
appears again frequently, contact any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional.
WARNING
■ When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
●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.
● 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 fan may suddenly operate even if the gasoline
engine stops. Do not touch or approach rotating parts such as the fan,
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.
High temperature steam or coolant could spray out.
6

4487-2. Steps to take in an emergency
PRIUS +_OM_OM47888E_(EE)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.

4588-1. Specifications
PRIUS +_OM_OM47888E_(EE)
Cooling system
Capacity
Gasoline
engine
XWithout an exhaust heat recirculator sys-
tem
6.5 L (6.9 qt., 5.7 Imp.qt.)
XWith an exhaust heat recirculator system
6.9 L (7.3 qt., 6.1 Imp.qt.)
Power
control unit2.7 L (2.9 qt., 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
Gap1.1 mm (0.043 in.)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.

482Alphabetical index
PRIUS +_OM_OM47888E_(EE)
Emergency, in case ofIf a warning buzzer sounds ... 376
If a warning light turns on ...... 376
If a warning message is displayed ............................ 388
If the 12-volt battery is discharged .......................... 439
If the electronic key does not operate properly ................. 437
If the hybrid system will not start..................................... 435
If you have a flat tire...... 404, 418
If you lose your keys ............. 141
If you think something is
wrong.................................. 375
If your vehicle becomes stuck ................................... 449
If your vehicle has to be
stopped in an emergency ... 369
If your vehicle needs to be towed .................................. 370
If your vehicle overheats ....... 444
Energy monitor ........................ 131 Engine
Accessory mode ................... 203
Compartment ........................ 317
Engine switch........................ 201
Exhaust gas precautions ........ 80
Hood ..................................... 313
How to start the hybrid system ................................ 201
Identification number ............ 454
If the hybrid system will not start .................................... 435
If your vehicle has to be
stopped in an emergency ... 369
Ignition switch (power switch) .................... 201
Overheating .......................... 444
Power switch......................... 201
Engine coolant
Capacity ................................ 458
Checking ............................... 323
Preparing and checking before winter....................... 265
Engine coolant temperature warning light .......................... 380

487Alphabetical index
PRIUS +_OM_OM47888E_(EE)
Navigation system*
Odometer .................................. 111
OilEngine oil .............................. 455
Opener Fuel filler door ....................... 226
Hood ..................................... 313
Outside rear view mirrors ....... 184 Adjustment ............................ 184
Folding .................................. 184
Outside rear view mirror defoggers............................ 273
Outside temperature display .................................... 275
Overhead console.................... 287
Overheating .............................. 444
Overheating, Engine ................ 444 P position switch ..................... 209
Parking brake
Operation .............................. 214
Parking brake engaged warning buzzer ................... 382
Parking lock ............................. 209
PCS (Pre-Crash Safety system) Function ................................ 254
PCS switch ........................... 255
Warning light ......................... 378
Warning message ......... 391, 392
Personal lights ......................... 280 Switch ................................... 281
Wattage ................................ 462
Pollen removal mode .............. 273
Power control unit coolant
Capacity ................................ 458
Checking ............................... 323
Preparing and checking before winter....................... 265
Radiator ................................ 324
Power outlets ........................... 294
Power steering (Electric Power Steering system) ....... 248Warning light ......................... 377
N
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P
*: Refer to the “Navigation and multimedia system Owner’s Manual”.