Page 279 of 492

2795-1. Using the air conditioning system and defogger
5
Interior features
AVALON_HV_U (01999-07002)■
When the outside temperature exceeds 75°F (24°C) and the air condition-
ing system is on
●In order to reduce the air conditioning power consumption, the air condition-
ing system may switch to recirculated air mode automatically. This may also
reduce fuel consumption.
● Recirculated air mode is selected as a default mode when the power switch
is turned to ON mode.
● It is possible to switch to outside air mode at any time by pressing
.
■ When the outside temperature falls to nearly 32 F (0 C)
The dehumidification function may not operate even when is touched.
■ Ventilation and air conditioning odors
●To let fresh air in, set the air conditioning system to the outside air mode.
● During use, various odors from inside and outside the vehicle may enter into
and accumulate in the air conditioning system. This may then cause odor to
be emitted from the vents.
● To reduce potential odors from occurring:
• This vehicle is equipped with a deodorizing charcoal air filter. This filter
should be inspected and replaced according to the maintenance sched-
ule. (Air conditioning filter: P. 370)
• It is recommended that the air conditioning system be set to outside air mode prior to turning the vehicle off.
• The start timing of the blower may be delayed for a short period of time
immediately after the air conditioning system is started in automatic
mode.
■ Air conditioning filter
P. 370
■ Handling of the air conditioning panel
The operating section of the air conditioning panel uses touch switch sensors.
In the following cases, incorrect operation or non-response may occur.
●If the surface of the touch switch is dirty or has liquid attached to it, incorrect
operation or non-response may occur.
● If the surface of the touch switch receives electromagnetic waves, incorrect
operation or non-response may occur.
● If wearing gloves during operation, non-response may occur.
● If fingernails are used to operate the system, non-response may occur.
● If a touch pen is used to operate the system, non-response may occur.
● If the palm of your hand touches the surface of the touch switch during oper-
ation, incorrect operation may occur.
● If the palm of your hand touches the surface of the touch switch, incorrect
operation may occur.
● If operations are performed quickly, non-response may occur.
Page 280 of 492

2805-1. Using the air conditioning system and defogger
AVALON_HV_U (01999-07002)■
Customization
Settings (e.g. air conditioning setting, touch switch sensitivity) can be
changed.
(Customizable features P. 461)
WARNING
■To prevent the windshield from fogging up
●Do not use during cool air operation in extremely humid weather.
The difference between the temperature of the outside air and that of the
windshield can cause the outer surface of the windshield to fog up, block-
ing your vision.
■ To prevent burns
Do not touch the rear view mirror surfaces when the outside rear view mirror
defoggers are on.
NOTICE
■Humidity sensor
■ To prevent 12-volt battery discharge
Do not leave the air conditioning system on longer than necessary when the
hybrid system is off.
●Do not place anything on the instrument
panel which may cover the air outlets.
Otherwise, air flow may be obstructed,
preventing the windshield defoggers
from defogging.
In order to detect fog on the windshield, a
sensor which monitors the temperature
of the windshield, the surround humidity,
etc. is installed.
Follow these points to avoid damaging
the sensor:
●Do not disassemble the sensor
● Do not spray the glass cleaner on the
sensor or subject it to strong impacts
● Do not stick anything on the sensor
Page 281 of 492

2815-1. Using the air conditioning system and defogger
5
Interior features
AVALON_HV_U (01999-07002)
Seat heaters/seat ventilators
: If equipped
The seat heaters warm the seats and the seat ventilators main-
tain good airflow by blowing air through the seats.
WARNING
●Care should be taken to prevent injury if anyone in the following categories
comes in contact with the seats when the heater is on:
• Babies, small children, the elderly, the sick and the physically chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs, cold remedies, etc.)
● Observe the following precautions to prevent the minor burns or overheat-
ing
• Do not cover the seat with a blanket or cushion when using the seat
heater.
• Do not use seat heater more than necessary.
NOTICE
● Do not put heavy objects that have an uneven surface on the seat and do
not stick sharp objects (needles, nails, etc.) into the seat.
● To prevent 12-volt battery discharge, do not use the functions when the
power is off.
Page 282 of 492
2825-1. Using the air conditioning system and defogger
AVALON_HV_U (01999-07002)■
Front seats
Vehicles with ventilator
Press the knob to release it,
and turn the knob to the
desired temperature setting.
OFF
Press the knob to lock it when
not in use.
Ventilation
Heat
Vehicles without ventilator
Press the knob to release it,
and turn the knob to the desired
temperature setting.
The further you turn the knob
clockwise, the warmer the seat
temperature becomes. Turn the
knob counterclockwise all the
way to turn the system off.
Press the knob again to lock it
when not in use.
CTY57AX039
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3
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Page 283 of 492
2835-1. Using the air conditioning system and defogger
5
Interior features
AVALON_HV_U (01999-07002)■
Rear seats
ON/OFF
The indicator illuminates when
the seat heater is turned on.
■
The seat heaters/seat ventilators can be used when
The power switch is in ON mode.
■ Automatic operation of the seat ventilator for the passenger's seat
If a passenger leaves the passenger seat with the seat ventilator on, the seat
ventilator will automatically turn off after approximately 10 minutes. If the pas-
senger returns to the seat, it will automatically turn on again.
■ Operation display illumination (if equipped)
Illuminates when the ventilator is
operating.
Illuminates when the front seat heater
is operating. 1
2
Page 323 of 492
323
Maintenance and care6
AVALON_HV_U (01999-07002)6-1. Maintenance and care
Cleaning and protecting the vehicle exterior .......... 324
Cleaning and protecting the vehicle interior ........... 327
6-2. Maintenance Maintenance requirements ................... 330
General maintenance........ 332
Emission inspection and maintenance (I/M)
programs ......................... 336
6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ..................... 337
Hood ................................. 339
Positioning a floor jack ...... 340
Engine compartment ......... 341
12-volt battery ................... 350
Tires .................................. 354
Tire inflation pressure ....... 364
Wheels .............................. 367
Air conditioning filter.......... 370
Electronic key battery........ 372
Checking and replacing fuses ............................... 374
Light bulbs......................... 377
Page 338 of 492

3386-3. Do-it-yourself maintenance
AVALON_HV_U (01999-07002)
WARNING
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury, observe the following precautions.
■When working on the engine compartment
●Make sure that the “READY” indicator is off.
● Keep hands, clothing and tools away from the moving fan and engine
drive belt.
● Be careful not to touch the engine, power control unit, radiator, exhaust
manifold, etc. right after driving as they may be hot. Oil and other fluids
may also be hot.
● Do not leave anything that may burn easily, such as paper and rags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel. Fuel fumes
are flammable.
■ When working near the electric cooling fans or radiator grille
Be sure the power switch is off.
With the power switch in ON mode, t he electric cooling fans may automati-
cally start to run if the air conditioning is on and/or the coolant temperature
is high. ( P. 347)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc.
from getting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear
due to dirt in the air.
Page 370 of 492
3706-3. Do-it-yourself maintenance
AVALON_HV_U (01999-07002)
Turn the power switch off.
Open the glove box. (P. 288)
Remove the glove box cover.
Press the tabs and remove the
filter cover.
Remove the air conditioning fil-
ter and replace it with a new
one.
The “ UP” marks shown on the fil-
ter should be pointing up.
Air conditioning filter
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency.
Removal method
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