Toyota Avalon (2019 year). Manual - part 25

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WARNING

■

Chemicals in the battery
Batteries contain poisonous and corrosive sulfuric acid and may produce
hydrogen gas which is flammable and explosive. To reduce the risk of death
or serious injury, take the following precautions while working on or near the
battery:

●

Do not cause sparks by touching the battery terminals with tools.

●

Do not smoke or light a match near the battery.

●

Avoid contact with eyes, skin and clothes.

●

Never inhale or swallow electrolyte.

●

Wear protective safety glasses when working near the battery.

●

Keep children away from the battery.

■

Where to safely charge the battery
Always charge the battery in an open area. Do not charge the battery in a
garage or closed room where there is insufficient ventilation.

■

Emergency measures regarding electrolyte

●

If electrolyte gets in your eyes
Flush your eyes with clean water for at least 15 minutes and get immedi-
ate medical attention. If possible, continue to apply water with a sponge or
cloth while traveling to the nearest medical facility.

●

If electrolyte gets on your skin
Wash the affected area thoroughly. If you feel pain or burning, get medical
attention immediately.

●

If electrolyte gets on your clothes
It can soak through clothing on to your skin. Immediately take off the cloth-
ing and follow the procedure above if necessary.

●

If you accidentally swallow electrolyte
Drink a large quantity of water or milk. Get emergency medical attention
immediately.

■

When disconnecting the battery
Do not disconnect the negative (-) terminal on the body side. The discon-
nected negative (-) terminal may touch the positive (+) terminal, which may
cause a short and result in death or serious injury.

NOTICE

■

When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all
accessories are turned off.

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6-3. Do-it-yourself maintenance

Add washer fluid in the following
situations:
● A washer does not work.
● “Windshield Washer Fluid Low”

is displayed on the multi-infor-
mation display.

Washer fluid

WARNING

■

When adding washer fluid
Do not add washer fluid when the engine is hot or running as washer fluid
contains alcohol and may catch fire if spilled on the engine, etc.

NOTICE

■

Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces, as well as
damaging the pump leading to problems of the washer fluid not spraying.

■

Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the label of the washer fluid bot-
tle.

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Check if the treadwear indicators are showing on the tires. Also check
the tires for uneven wear, such as excessive wear on one side of the
tread.
Check the spare tire condition and pressure if not rotated.

New tread
Worn tread
Treadwear indicator

The location of treadwear indicators is shown by a “TWI” or “



” mark,

etc., molded into the sidewall of each tire.
Replace the tires if the treadwear indicators are showing on a tire.

Rotate the tires in the order
shown.

To equalize tire wear and extend

tire life, Toyota recommends that

tire rotation is carried out at the

same interval as tire inspection.
Do not fail to initialize the tire

pressure warning system after

tire rotation.

Tires

Replace or rotate tires in accordance with maintenance sched-
ules and treadwear.

Checking tires

Tire rotation

1
2
3

Front

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6-3. Do-it-yourself maintenance

Your vehicle is equipped with a tire pressure warning system that uses
tire pressure warning valve and transmitters to detect low tire inflation
pressure before serious problems arise.
● The tire pressure detected by

the tire pressure warning sys-
tem can be displayed on the
multi-information display.

● If the tire pressure drops below

a  predetermined  level,  the
driver  is  warned  by  a  screen
display  and  a  warning  light.
(



P. 427

)

Tire pressure warning system

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◆

Installing tire pressure warning valve and transmitters

When replacing the tires or wheels, the tire pressure warning valve
and  transmitters  must  be  installed  to  the  wheels  which  will  be
installed to the vehicle.
When  new  tire  pressure  warning  valve  and  transmitters  are
installed,  new  ID  codes  must  be  registered  in  the  tire  pressure
warning  computer  and  the  tire  pressure  warning  system  must  be
initialized. (

P. 390)

◆

Initializing the tire pressure warning system

■

The tire pressure warning system must be initialized in the fol-
lowing circumstances:
● When the tire inflation pressure is changed such as when chang-

ing traveling speed or load weight.

● When the tire inflation pressure is changed such as when the tire

size is changed.

● When rotating the tires.
● After performing the transmitter ID code registration procedure.

(

P. 390)

When the tire pressure warning system is initialized, the current tire
inflation pressure is set as the benchmark pressure.

■

How to initialize the tire pressure warning system

Park the vehicle in a safe place and turn the engine switch off.

The initialization procedure cannot be started while the vehicle is

moving.

Adjust the tire inflation pressure to the specified cold tire inflation
pressure level. (

P. 472)

Make sure to adjust the tire pressure to the specified cold tire infla-

tion pressure level. The tire pressure warning system will operate

based on this pressure level.

Start the engine. (

P. 174)

Select

on the multi-information display using the meter con-

trol switches on the steering wheel. (

P. 91)

Select

and then press and hold

Select “TPWS” and then press

3
4

5
6

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6-3. Do-it-yourself maintenance

Select “Set Pressure” then
press and hold

until

the tire pressure warning
light blinks 3 times.

Then a message will be dis-

played on the multi-information

display.
“---” will be displayed on the

multi-information display for

the inflation pressure of each

tire while initialization is being

performed.

Drive straight (with occasional left and right turns) at approxi-
mately 25 mph (40 km/h) or more for approximately 10 to 30 min-
utes.

Initialization is complete when the position of each tire is determined

and the inflation pressure of each tire is displayed on the multi-infor-

mation display.
Initialization may take longer than approximately 1 hour in certain

situations, such as when the vehicle is stopped for a long time at

traffic lights, etc. (

P. 395)

◆

Registering ID codes

Every tire pressure warning valve and transmitter has a unique ID
code. When replacing a tire pressure warning valve and transmitter,
it is necessary to register the ID codes.
The ID codes can be registered on

of the multi-information dis-

play.

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How to register the ID codes

Select

on the multi-information display using the meter con-

trol switches on the steering wheel. (

P. 91)

Select

and then press and hold

Select “TPWS” and then press

Select “Change Wheel” then
press and hold

until

the tire pressure warning
light blinks slowly 3 times.

Then a message will be dis-

played on the multi-information

display.
When registration is being per-

formed, the tire pressure warn-

ing

light

will

blink

for

approximately 1 minute then

illuminate and “---” will be dis-

played for the inflation pres-

sure of each tire on the multi-

information display.

Drive straight (with occasional left and right turns) at approxi-
mately 25 mph (40 km/h) or more for approximately 10 to 30 min-
utes.

Registration is complete when the tire pressure warning light turns

off and the inflation pressure of each tire is displayed on the multi-

information display.
Registration may take longer than approximately 1 hour in certain

situations, such as when the vehicle is stopped for a long time at

traffic lights, etc. (

P. 397)

After registering the ID codes, make sure to initialize the tire pres-

sure warning system. (

P. 389)

2
3
4

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6-3. Do-it-yourself maintenance

■

When to replace your vehicle’s tires
Tires should be replaced if:

●

The treadwear indicators are showing on a tire.

●

You have tire damage such as cuts, splits, cracks deep enough to

expose the fabric, and bulges indicating internal damage

●

A tire goes flat repeatedly or cannot be properly repaired due to the size

or location of a cut or other damage

If you are not sure, consult with your Toyota dealer.

■

Replacing tires and wheels
If the ID codes of the tire pressure warning valve and transmitters are not

registered, the tire pressure warning system will not work properly. In this

case, after driving for about 20 minutes, the tire pressure warning light will

blink for approximately 1 minute and then illuminate to indicate a system

malfunction.

■

Tire life
Any tire over 6 years old must be checked by a qualified technician even

if it has seldom or never been used or damage is not obvious.

■

Routine tire inflation pressure checks
The tire pressure warning system does not replace routine tire inflation

pressure checks. Make sure to check tire inflation pressure as part of

your routine of daily vehicle checks.

■

Low profile tires (vehicles with 18 or 19-inch wheels)
Generally, low profile tires will wear more rapidly and tire grip perfor-

mance will be reduced on snowy and/or icy roads when compared to

standard tires. Be sure to use snow tires on snowy and/or icy roads and

drive carefully at a speed appropriate for road and weather conditions.

■

Maximum load of tire
Check that the maximum load of the replacement tire is greater than 1/2

of the Gross Axle Weight Ratings (GAWR) of either the front axle or the

rear axle, whichever is greater.
For the GAWR, see the Certification

Label. For the maximum load of the tire,

see the load limit at maximum cold tire

inflation pressure mentioned on the

sidewall of the tire. (

P. 478)

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Tire types

●

Summer tires
Summer tires are high-speed performance tires best suited to highway

driving under dry conditions. Since summer tires do not have the same

traction performance as snow tires, summer tires are inadequate for

driving on snow-covered or icy roads. For driving on snow-covered

roads or icy roads, the use of snow tires is recommended. When install-

ing snow tires, be sure to replace all four tires.

●

All season tires
All season tires are designed to provide better traction in snow and to

be adequate for driving in most winter conditions as well as for use

year-round. All season tires, however, do not have adequate traction

performance compared with snow tires in heavy or loose snow. Also, all

season tires fall short in acceleration and handling performance com-

pared with summer tires in highway driving.

●

Snow tires
For driving on snow-covered roads or icy roads, we recommend using

snow tires. If you need snow tires, select tires of the same size, con-

struction and load capacity as the originally installed tires. Since your

vehicle has radial tires as original equipment, make sure your snow

tires also have radial construction. Do not install studded tires without

first checking local regulations for possible restrictions. Snow tires

should be installed on all wheels. (

P. 305)

■

If the tread on snow tires wears down below 0.16 in. (4 mm)
The effectiveness of the tires as snow tires is lost.

■

Situations in which the tire pressure warning system may not oper-

ate properly

●

In the following situations, the tire pressure warning system may not

operate properly.
• If non-genuine Toyota wheels are used.

• If a tire has been replaced with a tire that is not an OE (Original

Equipment) tire.

• If a tire has been replaced with a tire that is not of the specified size.

• If tire chains, etc. are installed.

• If a window tint that affects radio wave signals is installed.

• If there is a lot of snow or ice on the vehicle, particularly around the

wheels or wheel housings.

• If the tire inflation pressure is much higher than the specified level.

• If wheels not equipped with tire pressure warning valve and transmit-

ter are used.

• If the ID codes of the tire pressure warning valve and transmitters are

not registered in the tire pressure warning computer.

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6-3. Do-it-yourself maintenance

●

Performance may be affected in the following situations.
• When driving near a TV tower, electric power plant, gas station, radio

station, large display, airport or other facility that generates strong

radio waves or electrical noise

• When carrying a portable radio, cellular phone, cordless phone or

other wireless communication device

If tire position information is not correctly displayed due to the radio

wave conditions, the display may be corrected by changing the location

of the vehicle as the radio wave conditions may change.

●

When the vehicle is stopped, the time taken for the warning to start or

turn off may be longer.

●

When the inflation pressure of a tire drops rapidly, for example when a

tire has burst, the warning may not operate.

■

Initialization procedure

●

Make sure to perform the initialization procedure after adjusting the tire

inflation pressure.

Also, make sure the tires are cold before performing the initialization

procedure or adjusting the tire inflation pressure.

●

If the engine switch is turned off during initialization, it is not necessary

to restart the initialization procedure from the beginning as it will begin

automatically when the engine switch is turned back to IGNITION ON

mode.

●

If initialization has accidentally been started when it is not necessary,

adjust the tire inflation pressure to the specified level when the tires are

cold and then perform the initialization procedure again.

●

While the position of each tire is being determined and the inflation pres-

sures are not being displayed on the multi-information display, if the

inflation pressure of a tire drops, the tire pressure warning light will come

on.

■

Warning performance of the tire pressure warning system
The warning of the tire pressure warning system will change in accor-

dance with the conditions under which it was initialized. For this reason,

the system may give a warning even if the tire pressure does not reach a

low enough level, or if the pressure is higher than the pressure that was

adjusted to when the system was initialized.

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If the tire pressure warning system is not initialized properly

●

In the following situations, initialization may take longer than usual to be

completed or may not be possible. (Usually, the vehicle will need to be

driven for approximately 10 to 30 minutes to complete initialization.)

If initialization is not complete after driving approximately 30 minutes,

continue driving for a while.
• If the vehicle is driven on an unpaved road, it may take longer to com-

plete initialization.

• If the vehicle is backed up while performing initialization, data col-

lected during initialization will be cleared and it will take longer than

normal to complete.

• If the vehicle is driven in heavy traffic or another situation where other

vehicles are driven close by, it may take time for the system to recog-

nize the tire pressure warning valve and transmitters of your vehicle

over those of other vehicles.

If initialization is not complete after driving for approximately 1 hour,

park the vehicle in a safe place for approximately 20 minutes and then

drive the vehicle again.

●

In the following situations, initialization will not be started or was not

completed properly and the system will not operate properly. Perform

the initialization procedure again.
• If, when attempting to start initialization, the tire pressure warning light

does not blink 3 times.

• If, when the vehicle has been driven for about 20 minutes after per-

forming initialization, the tire pressure warning light blinks for approxi-

mately 1 minute and then illuminates.

●

If initialization cannot be completed after performing the above proce-

dure, contact your Toyota dealer.

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6-3. Do-it-yourself maintenance

■

When registering ID codes

●

Before performing ID code registration, make sure that no wheels with

tire pressure warning valve and transmitters installed are near the vehi-

cle.

●

Make sure to initialize the tire pressure warning system after registering

the ID codes. If the system is initialized before registering the ID codes,

the initialized values will be invalid.

●

As the tires will be warm when registration is completed, make sure to

allow the tires to cool before performing initialization.

■

Canceling ID code registration

●

To cancel ID code registration after it has been started, turn the engine

switch off before driving the vehicle.

If the vehicle is driven after ID code registration is started, to cancel reg-

istration, perform the ID code registration start procedure again and turn

the engine switch off before driving.

●

If ID code registration has been canceled, the tire pressure warning light

will blink for approximately 1 minute when the engine switch is turned to

IGNITION ON mode and then illuminate. The tire pressure warning sys-

tem will be operational when the tire pressure warning light turns off.

●

If the warning light does not turn off even after several minutes have

elapsed, ID code registration may not have been cancelled correctly. To

cancel registration, perform the ID code registration start procedure

again and then turn the engine switch off before driving.

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If ID codes are not registered properly

●

In the following situations, ID code registration may take longer than

usual to be completed or may not be possible. (Usually, the vehicle will

need to be driven for approximately 10 to 30 minutes to complete ID

code registration.)

If ID code registration is not complete after driving for approximately 30

minutes, continue driving for a while.
• If the vehicle is driven on an unpaved road, it may take longer than

normal to complete registration.

• If the vehicle is backed up while performing registration, data col-

lected during registration will be cleared, and it will take longer than

normal to complete.

• If the vehicle is driven in heavy traffic or another situation where other

vehicles are driven close by, it may take time for the system to recog-

nize the tire pressure warning valve and transmitters of your vehicle

over those of other vehicles.

• If a wheel with a tire pressure warning valve and transmitter installed

is inside or near the vehicle, registration of the ID codes for the

installed wheels may not be possible.

If ID registration is not complete after driving for approximately 1 hour,

park the vehicle in a safe place for approximately 20 minutes and then

perform the ID code registration procedure again.

●

In the following situations, ID code registration will not be started or was

not completed properly and the system will not operate properly. Per-

form the ID code registration procedure again.
• If, when attempting to start ID code registration, the tire pressure

warning light does not blink slowly 3 times.

• If, when the vehicle has been driven for about 20 minutes after per-

forming ID code registration, the tire pressure warning light blinks for

approximately 1 minute and then illuminates.

●

If ID code registration cannot be completed after performing the above

procedure, contact your Toyota dealer.

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6-3. Do-it-yourself maintenance

■

Tire pressure warning system certification



For vehicles sold in the U.S.A.



For vehicles sold in Canada

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WARNING

■

When inspecting or replacing tires
Observe the following precautions to prevent accidents.

Failure to do so may cause damage to parts of the drive train as well as

dangerous handling characteristics, which may lead to an accident

resulting in death or serious injury.

●

Do not mix tires of different makes, models or tread patterns.

Also, do not mix tires of remarkably different treadwear.

●

Do not use tire sizes other than those recommended by Toyota.

●

Do not mix differently constructed tires (radial, bias-belted or bias-ply

tires).

●

Do not mix summer, all season and snow tires.

●

Do not use tires that have been used on another vehicle.

Do not use tires if you do not know how they were used previously.

■

When initializing the tire pressure warning system
Do not initialize the tire pressure warning system without first adjusting

the tire inflation pressure to the specified level. Otherwise, the tire pres-

sure warning light may not come on even if the tire inflation pressure is

low, or it may come on when the tire inflation pressure is actually nor-

mal.

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6-3. Do-it-yourself maintenance

NOTICE

■

Repairing or replacing tires, wheels, tire pressure warning valve

and transmitters and tire valve caps

●

When removing or fitting the wheels, tires or the tire pressure warning

valve and transmitters, contact your Toyota dealer as the tire pressure

warning valve and transmitters may be damaged if not handled cor-

rectly.

●

Make sure to install the tire valve caps. If the tire valve caps are not

installed, water may enter the valves of the tire pressure warning valve

and transmitters and the valves may become stuck.

●

When replacing tire valve caps, do not use tire valve caps other than

those specified. The cap may become stuck.

■

To avoid damage to the tire pressure warning valve and transmit-

ters
When a tire is repaired with liquid sealants, the tire pressure warning

valve and transmitter may not operate properly. If a liquid sealant is

used, contact your Toyota dealer or other qualified service shop as soon

as possible. Make sure to replace the tire pressure warning valve and

transmitter when replacing the tire. (

P. 389)

■

Driving on rough roads
Take particular care when driving on roads with loose surfaces or pot-

holes.

These conditions may cause losses in tire inflation pressure, reducing

the cushioning ability of the tires. In addition, driving on rough roads

may cause damage to the tires themselves, as well as the vehicle’s

wheels and body.

■

Low profile tires (vehicles with 18 or 19-inch wheels)
Low profile tires may cause greater damage than usual to the tire wheel

when sustaining impact from the road surface. Therefore, pay attention

to the following:

●

Be sure to use proper tire inflation pressure. If tires are under-inflated,

they may be damaged more severely.

●

Avoid potholes, uneven pavement, curbs and other road hazards. Fail-

ure to do so may lead to severe tire and wheel damage.

■

If tire inflation pressure of each tire becomes low while driving
Do not continue driving, or your tires and/or wheels may be ruined.

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