air filter TOYOTA AVALON 2021 Owners Manual (in English)

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6-1. Maintenance and care
Cleaning and protecting
the vehicle exterior .......... 366
Cleaning and protecting
the vehicle interior ........... 369
6-2. Maintenance
Maintenance
requirements ................... 372
General maintenance ........ 374
Emission inspection and
maintenance (I/M)
programs ......................... 378
6-3. Do-it-yourself
maintenance
Do-it-yourself service
precautions ..................... 379
Hood.................................. 381
Positioning a floor jack ...... 382
Engine compartment ......... 383
Tires .................................. 394
Tire inflation pressure........ 408
Wheels .............................. 411
Air conditioning filter .......... 413
Electronic key battery ........ 415
Checking and replacing
fuses ............................... 418
Light bulbs ......................... 4217-1. Essential information
Emergency flashers ........... 424
If your vehicle has to be
stopped in an
emergency....................... 425
If the vehicle is trapped
in rising water .................. 426
7-2. Steps to take in
an emergency
If your vehicle needs to
be towed .......................... 427
If you think something
is wrong ........................... 432
Fuel pump shut off
system ............................. 433
If a warning light turns on
or a warning buzzer
sounds ............................. 434
If a warning message is
displayed ......................... 444
If you have a flat tire .......... 449
If the engine will
not start ........................... 461
If the electronic key does
not operate properly ........ 463
If the vehicle battery is
discharged ....................... 466
If your vehicle overheats.... 471
If the vehicle becomes
stuck ................................ 474
6Maintenance and care7When trouble arises

3275-1. Using the air conditioning system and defogger
5
Interior features
■Air conditioning filter
P. 413
■Air conditioning system refrigerant
●The meaning of each symbol on the label are as follows:
■Customization
Some functions can be customized. (P. 5 1 1 ) ●A label regarding the refrigerant of the
air conditioning system is attached to the
hood at the location shown in the follow-
ing illustration.
Caution
Air conditioning system
Air conditioning system lubricant type
Requires registered technician to service air conditioning
system
Flammable refrigerant

365
6Maintenance and care
6-1. Maintenance and care
Cleaning and protecting
the vehicle exterior .......... 366
Cleaning and protecting
the vehicle interior ........... 369
6-2. Maintenance
Maintenance
requirements ................... 372
General maintenance........ 374
Emission inspection and
maintenance (I/M)
programs......................... 378
6-3. Do-it-yourself
maintenance
Do-it-yourself service
precautions ..................... 379
Hood ................................. 381
Positioning a floor jack ...... 382
Engine compartment ......... 383
Tires .................................. 394
Tire inflation pressure ....... 408
Wheels .............................. 411
Air conditioning filter.......... 413
Electronic key battery........ 415
Checking and replacing
fuses ............................... 418
Light bulbs......................... 421

3806-3. Do-it-yourself maintenance
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
●Keep hands, clothing and tools away from the moving fan and engine
drive belt.
●Be careful not to touch the engine, 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 or the bat-
tery. Fuel and battery fumes are flammable.
●Be extremely cautious when working on the battery. It contains poisonous
and corrosive sulfuric acid.
■When working near the electric cooling fan or radiator grille
Be sure the engine switch is off. With the engine switch in IGNITION ON
mode, the electric cooling fan may automatically start to run if the air condi-
tioning is on and/or the coolant temperature is high. (P. 389)
■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.

4136-3. Do-it-yourself maintenance
6
Maintenance and care
Turn the engine switch off.
Open the glove box and
remove the glove box cover
inside the glove box.
Remove the filter cover.
Unlock the filter cover.
Move the filter cover in the
direction of the arrow, and
then pull it out of the claws.
Remove the filter case.
There may be foreign objects on
top of the air conditioning filter.
Air conditioning filter
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency.
Removal method
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3
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2
4

4146-3. Do-it-yourself maintenance
Remove the air conditioning fil-
ter from the filter case and
replace it with a new one.
The “UP” marks shown on the fil-
ter and the filter case should be
pointing up.
■Checking interval
Inspect and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, early replacement
may be required. (For scheduled maintenance information, please refer to the
“Schedule maintenance guide” or “Owner’s Manual Supplement”.)
■If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
■Air conditioning filter with deodorizing function
When fragrances are placed in your vehicle, the deodorizing effect may
become significantly weakened in a short period.
When an air conditioning odor comes out continuously, replace the air condi-
tioning filter.
5
NOTICE
■When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the
system.
■To prevent damage to the filter cover
When moving the filter cover in the direc-
tion of arrow to release the fitting, pay
attention not to apply excessive force to
the claws. Otherwise, the claws may be
damaged.

533Alphabetical index
Alphabetical index
A/C ............................................ 322
Air conditioning filter ............. 413
Automatic air
conditioning system ............ 322
ABS
(Anti-lock Brake System)...... 309
Warning light ......................... 435
Adaptive Variable
Suspension System .............. 310
Air conditioning filter .............. 413
Air conditioning
system .................................... 322
Air conditioning filter ............. 413
Automatic air
conditioning system ............ 322
Airbags ....................................... 36
Airbag operating conditions .... 45
Airbag precautions for
your child .............................. 39
Correct driving posture ........... 28
Curtain shield airbag
operating conditions ............. 46
Curtain shield airbag
precautions ........................... 42
Front passenger occupant
classification system............. 50
General airbag precautions .... 39
Locations of airbags................ 36
Modification and disposal
of airbags.............................. 44
Side airbag operating
conditions ............................. 46
Side airbag precautions .......... 39Side and curtain shield
airbags operating
conditions ............................. 46
Side and curtain shield
airbags precautions .............. 39
SRS airbag instructions for
Canadian owners ............... 519
SRS airbags ........................... 36
SRS warning light ................. 435
Alarm .......................................... 80
Ambient lights ......................... 334
Anchor brackets ........................ 60
Antennas
(smart key system) ............... 135
Anti-lock Brake System
(ABS) ...................................... 309
Warning light......................... 435
Approach warning ................... 255
Armrest..................................... 355
Assist grips .............................. 355
Audio Plus
*
Audio/visual system*
Automatic air
conditioning system ............. 322
Air conditioning filter ............. 413
Automatic High Beam ............. 206
Automatic light control
system.................................... 202
Automatic transmission ......... 189
If the shift lever
cannot be shifted from P .... 193
Paddle shift switches ............ 191
S mode ................................. 190
Auxiliary boxes ........................ 339
A
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.