2015 TOYOTA AVALON HYBRID radiator

4367-2. Steps to take in an emergency
AVALON_HV_U (OM41457U)
The engine coolant temperature gauge enters the red zone or a loss
of power is experienced. (For ex ample, the vehicle speed does not
increase.)
“Hybrid System Overheat/Stop the Vehicle in a Safe Place” is shown
on the multi-information display.
Steam comes out from under the hood.
■If the needle of the engine coolant temperature gauge enters
the red zone
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
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4377-2. Steps to take in an emergency
7
When trouble arises
AVALON_HV_U (OM41457U)
The coolant level is satisfac-
tory if it is between the “F”
and “L” lines on the reservoir.
Reservoir
“F” line
“L” line
Radiator cap
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 fan operates and to check for
coolant leaks from th e radiator or hoses.
The fan operates when the air conditioning system is turned on immedi-
ately after a cold start. Confirm that the fan is operating by checking the
fan sound and air flow. If it is difficult to check these, turn the air condi-
tioning system on and off repeatedly.
(The fan may not operate in freezing temperatures.)
If the fan is not operating:
Stop the hybrid system immediately and contact your Toyota
dealer.
If the fan is operating:
Have the vehicle inspected at the nearest Toyota dealer.
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4387-2. Steps to take in an emergency
AVALON_HV_U (OM41457U)■
If “Hybrid System Overheat/Stop the Vehicle in a Safe Place” is
shown on the multi-information display
Stop the vehicle in a safe place.
Stop the hybrid system and carefully lift the hood.
After the hybrid system has
cooled down, inspect the
hoses and radiator core
(radiator) for any leaks.
Radiator
Cooling fan
If a large amount of coolant
leaks, immediately contact your
Toyota dealer
The coolant level is satisfac-
tory 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 chec k for the multi-information dis-
play.
If the message does not disappear:
Stop the hybrid system and contact your Toyota dealer.
If the message is not displayed:
Have the vehicle in spected at the nearest Toyota dealer.
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4397-2. Steps to take in an emergency
7
When trouble arises
AVALON_HV_U (OM41457U)
CAUTION
■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.
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 additives.
●Do not loosen the radiator cap or the
coolant reservoir caps while the hybrid
system and radiator are hot.
High temperature steam or coolant
could spray out.

497Alphabetical index
AVALON_HV_U (OM41457U)
Radar cruise control (dynamic radar cruise control) ............. 215
Radiator .................................... 347
Rear personal lights ................ 275
Rear seat heaters..................... 296
Rear sunshade ......................... 299
Rear turn signal lights............. 188 Replacing light bulbs............. 390
Turn signal lever ................... 188
Wattage ................................ 452
Rear view mirror Inside rear view mirror .......... 147
Outside rear view mirrors...... 149
Rear view monitor system
*
Rear window defoggers .......... 273
Refueling .................................. 206 Capacity ................................ 446
Fuel types ............................. 446
If the fuel filler door cannot be opened............... 209
Opening the fuel tank cap ..... 208
Regenerative braking ................ 71
Replacing
Electronic key battery ........... 369
Fuses .................................... 371
Light bulbs ............................ 382
Tires ...................................... 415
Reporting safety defects for U.S. owners ...................... 478
Resetting the message indicating maintenance
is required .............................. 329
Road accident cautions ............ 76 Safety Connect ........................ 310
Seat belts ................................... 30
Adjusting the seat belt ............ 31
Automatic Locking Retractor .............................. 32
Child restra int system
installation ............................ 61
Cleaning and maintaining the seat belt........................ 326
Emergency Locking
Retractor .............................. 32
How to wear your seat belt ..... 30
How your child should wear the seat belt.......................... 32
Pre-collision seat belts............ 31
Pregnant women, proper seat belt use ......................... 33
Reminder light and buzzer.... 407
Seat belt extender .................. 32
Seat belt pretensioners........... 31
SRS warning light ................. 405
Seat heaters ............................. 295
Seat position memory ............. 138
Seat ventilators........................ 295
Seating capacity ...................... 174
RS
*: Refer to the “NAVIGATION A ND MULTIMEDIA SYSTEM OWNER’S
MANUAL”.