Get MaintenanceandCare -> 5-3. Owner Maintenance Guide for Toyota Yaris 4 Door Fourth Generation (2021-2026)

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5-3. Owner Maintenance

Owner Maintenance Precautions

The owner or a qualified service technician should make these vehicle

inspections at the indicated intervals to ensure safe and dependable

operation.

Bring any problem to the attention of your Toyota dealer or qualified

service technician as soon as possible.

■ When Refueling

• Brake and clutch fluid level (P. 401)

• Engine coolant level (P. 398)

• Engine oil level (P. 397)

• Washer fluid level (P. 402)

■ At Least Monthly

• Tire inflation pressures (P. 413)

■ At Least Twice a Year (For Example, Every Spring and Fall)

You can do the following scheduled maintenance items if you have

some mechanical ability and a few basic tools and if you closely fol-

low the directions in this manual.

• Engine coolant (P. 398)

• Engine oil (P. 395)

Improper or incomplete service may result in problems. This section

gives instructions only for items that are easy to perform.

As explained in the Introduction (P. 386), several procedures can be

done only by a qualified service technician with special tools.

Improper owner maintenance during the warranty period may affect

warranty coverage. Refer to Introduction (P. 386) for owner’s

responsibility in protecting your investment. For details, read the sep-

arate Toyota Warranty and Maintenance Guide provided with the vehi-

cle. If you are unsure about any servicing or maintenance procedure,

have it done by your Toyota dealer.

There are strict environmental laws regarding the disposal of waste oil

and fluids. Please dispose of your waste properly and with due regard

to the environment.

We recommend that you entrust the oil and fluid changes of your vehi-

cle to your Toyota dealer.

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5-3. Owner Maintenance

WARNING

■Do not perform maintenance work if you lack sufficient knowledge and

experience or the proper tools and equipment to do the work. Have

maintenance work done by a qualified technician

Performing maintenance work on a vehicle is dangerous if not done prop-

erly. You can be seriously injured while performing some maintenance pro-

cedures.

■If you must run the engine while working under the hood, make certain

that you remove all jewelry (especially rings, bracelets, watches, and

necklaces) and all neckties, scarves, and similar loose clothing before

getting near the engine or cooling fan which may turn on unexpectedly

Working under the hood with the engine running is dangerous. It becomes

even more dangerous when you wear jewelry, loose clothing or have long

hair or a long beard.

Either can become entangled in moving parts and result in injury.

■

Switch the ignition to off and make sure the fan is not running

before attempting to work near the cooling fan

5

Working near the cooling fan when it is running is dangerous. The fan could

continue running indefinitely even if the engine has stopped and the engine

compartment temperature is high. You could be hit by the fan and seriously

injured.

■Do not leave items in the engine compartment

After you have finished checking or doing servicing in the engine compart-

ment, do not forget and leave items such as tools or rags in the engine com-

partment.

Tools or other items left in the engine compartment could cause engine

damage or a fire leading to an unexpected accident.

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5-3. Owner Maintenance

Hood

Opening the Hood

1

With the vehicle parked, pull the

release handle to unlock the

hood.

Release handle

2

Insert your hand into the hood

opening, slide the latch lever to

the right, and lift up the hood.

Lever

Pad

3

Grasp the support rod in the

padded area and secure it in

the support rod hole indicated

by the arrow to hold the hood

open.

Clip

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5-3. Owner Maintenance

Closing the Hood

1

Check under the hood area to make certain all filler caps are in

place and all loose items (e.g. tools, oil containers, etc.) have been

removed.

2

Lift the hood, grasp the padded

Clip

area on the support rod, and

secure the support rod in the

clip. Verify that the support rod

is secured in the clip before

closing the hood.

Clip

5

3

Lower the hood slowly to a height of about 7.9 in. (200 mm) above

its closed position and then let it drop.

WARNING

■Always check that the hood is closed and securely locked

A hood that is not closed and securely locked is dangerous as it could fly

open while the vehicle is moving and block the driver’s vision which could

result in a serious accident.

NOTICE

When closing the hood, do not push it excessively such as by applying your

weight. Otherwise, the hood could be deformed.

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5-3. Owner Maintenance

Engine Compartment Overview

1

2

3

4

5

6

7

8

Engine oil dipstick

Engine oil-filler cap

Brake/Clutch fluid reservoir

Battery

Fuse block

Cooling system cap

Engine coolant reservoir

Windshield washer fluid reser-

voir

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5-3. Owner Maintenance

Engine Oil

Changing the engine oil should be performed by your Toyota dealer.

Refer to Introduction (P. 386) for owner’s responsibility in protecting

your investment.

Recommended Oil

Use SAE 0W-20 engine oil.

Toyota Genuine Motor Oil is used in your Toyota vehicle. Toyota Gen-

uine Motor Oil 0W-20 is required to achieve optimum fuel economy.

For maintenance service, Toyota recommends Toyota Genuine Motor

Oil or equivalent.

Only use SAE 0W-20 oil “Certified

For Gasoline Engines” by the

American Petroleum Institute

(API).

5

Oil with this trademark symbol

conforms to the current engine

and emission system protection

standards and fuel economy

requirements of the International

Lubricant Standardization and

Approval Committee (ILSAC),

(ILSAC)

comprised of U.S. and Japanese

automobile manufacturers.

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5-3. Owner Maintenance

Vehicle Engine Control Unit Reset Procedure

After replacing the engine oil, have a repair shop such as your Toyota

dealer perform the initialization (engine oil data resetting) of the

recorded value. If the value recorded by the computer is not initialized,

the wrench indicator light may not turn off or it may turn on earlier than

normal.

●This procedure is intended for vehicles with the engine oil flexible mainte-

nance setting selected.

●The initialization (engine oil data resetting) of the recorded value can be per-

formed using the following procedure:

1

Switch the ignition OFF.

2

Switch the ignition ON with the selec-

tor pressed and continue pressing the

Selector

selector for about 5 seconds until the

master warning light

flashes.

3

After the master warning light

flashes for several seconds, the ini-

tialization is completed.

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5-3. Owner Maintenance

Inspecting Engine Oil Level

1

Be sure the vehicle is on a level surface.

2

3

Warm up the engine to normal operating temperature.

Turn it off and wait at least 5 minutes for the oil to return to the oil

pan.

4

Pull out the dipstick, wipe it

clean, and reinsert it fully.

1

Full

OK

2

3

Low

5

Pull it out again and examine the level. The level is normal if it is

between Low and Full.

If it is near or below Low, add enough oil to bring the level to Full.

5

6

7

Make sure the O-ring on the dipstick is positioned properly before

reinserting the dipstick.

Reinsert the dipstick fully.

NOTICE

Do not overfill the engine oil. This may cause engine damage.

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5-3. Owner Maintenance

Engine Coolant

Inspecting Coolant Level

Inspect the antifreeze protection and coolant level in the coolant res-

ervoir at least once a year—at the beginning of the winter season—

and before traveling where temperatures may drop below freezing.

Inspect the condition and connections of all cooling system and

heater hoses.

Replace any that are swollen or deteriorated.

The coolant should be at full in the

radiator and between the F and L

marks on the coolant reservoir

when the engine is cool.

1

2

3

Cooling fan

Cooling system cap

Coolant reservoir

If it is at or near L, add enough coolant to the coolant reservoir to pro-

vide freezing and corrosion protection and to bring the level to F.

Securely tighten the coolant reservoir tank cap after adding coolant.

If the coolant reservoir is empty or new coolant is required frequently,

consult your Toyota dealer.

Changing the coolant should be done by your Toyota dealer.

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5-3. Owner Maintenance

WARNING

■Do not use a match or live flame in the engine compartment. DO NOT

ADD COOLANT WHEN THE ENGINE IS HOT

A hot engine is dangerous. If the engine has been running, parts of the

engine compartment can become very hot. You could be burned. Carefully

inspect the engine coolant in the coolant reservoir, but do not open it.

■

Pull over to a safe location, then switch the ignition to off and

make sure the fan is not running before attempting to work near the

cooling fan

Working near the cooling fan when it is running is dangerous. The fan could

continue running indefinitely even if the engine has stopped and the engine

compartment temperature is high. You could be hit by the fan and seriously

injured.

■

Do not remove either cooling system cap when the engine and

radiator are hot

When the engine and radiator are hot, scalding coolant and steam may

shoot out under pressure and cause serious injury.

5

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5-3. Owner Maintenance

NOTICE

●Radiator coolant will damage paint. Rinse it off quickly if spilled.

●Use only soft (deionized) water in the coolant mixture. Water that contains

minerals will cut down on the coolant’s effectiveness.

●Do not add only water. Always add a proper coolant mixture.

●The engine has aluminum parts and must be protected by an ethylene-gly-

col-based coolant to prevent corrosion and freezing.

●DO NOT USE coolants Containing Alcohol, methanol, Borate or Silicate.

These coolants could damage the cooling system.

●DO NOT MIX alcohol or methanol with the coolant. This could damage the

cooling system.

●Do not use a solution that contains more than 60% antifreeze.

This would reduce effectiveness.

●

Use of engine coolant specifically designed for the YARIS/YARIS HATCHBACK

is required when replacing engine coolant. Using engine coolant that is not spe-

cifically designed for this vehicle may cause serious damage to the engine and

cooling system. For questions on how to obtain this specially designed coolant,

contact your Toyota dealer.

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5-3. Owner Maintenance

Brake/Clutch Fluid

Inspecting Brake/Clutch Fluid Level

The brakes and clutch draw fluid from the same reservoir.

Inspect the fluid level in the reser-

voir regularly. It should be kept

between the MAX and MIN lines.

The level normally drops with

accumulated distance, a condition

associated with wear of brake and

clutch linings. If it is excessively

low, have the brake/clutch system

inspected by your Toyota dealer.

WARNING

■If the brake/clutch fluid level is low, have the brakes inspected

5

A low brake/clutch fluid level is dangerous.

A low level could indicate brake lining wear or a brake system leak which

could cause the brakes to fail and lead to an accident.

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5-3. Owner Maintenance

Window Washer Fluid

Inspecting Washer Fluid Level

Inspect fluid level in the washer

fluid reservoir; add fluid if neces-

sary.

E

Use plain water if washer fluid is unavailable.

But use only washer fluid in cold weather to prevent it from freezing.

●State or local regulations may restrict the use of volatile organic compounds

(VOCs), which are commonly used as anti-freeze agents in washer fluid. A

washer fluid with limited VOC content should be used only if it provides ade-

quate freeze resistance for all regions and climates in which the vehicle will

be operated.

●Front and rear washer fluid is supplied from the same reservoir.

WARNING

■Use only windshield washer fluid or plain water in the reservoir

Using radiator antifreeze as washer fluid is dangerous. If sprayed on the

windshield, it will dirty the windshield, affect your visibility, and could result

in an accident.

■Using Washer Fluid Without Anti-freeze Protection in Cold Weather

Operating your vehicle in temperatures below 40 °F (4 °C) using washer

fluid without anti-freeze protection is dangerous as it could cause impaired

windshield vision and result in an accident. In cold weather, always use

washer fluid with anti-freeze protection.

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5-3. Owner Maintenance

Body Lubrication

All moving points of the body, such as door and hood hinges

and locks, should be lubricated each time the engine oil is

changed. Use a nonfreezing lubricant on locks during cold

weather.

Make sure the hood’s secondary latch keeps the hood from

opening when the primary latch is released.

5

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5-3. Owner Maintenance

Wiper Blades

Contamination of either the windshield or the blades with for-

eign matter can reduce wiper effectiveness. Common sources

are insects, tree sap, and hot wax treatments used by some

commercial car washes.

If the blades are not wiping properly, clean the window and

blades with a good cleaner or mild detergent; then rinse thor-

oughly with clean water. Repeat if necessary.

WARNING

When the wiper lever is in the AUTO position and the ignition is switched

ON, the wipers may move automatically in the following cases

●If the windshield above the rain sensor is touched.

●If the windshield above the rain sensor is wiped with a cloth.

●If the windshield is struck with a hand or other object.

●If the rain sensor is struck with a hand or other object from inside the vehi-

cle.

Be careful not to pinch hands or fingers as it may cause injury, or damage

the wipers. When washing or servicing the vehicle, make sure the wiper

lever is in the OFF position.

NOTICE

●Hot waxes applied by automatic car washers have been known to affect

the wiper’s ability to clean windows.

●To prevent damage to the wiper blades, do not use gasoline, kerosene,

paint thinner, or other solvents on or near them.

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5-3. Owner Maintenance

Replacing Windshield Wiper Blades

When the wipers no longer clean well, the blades are probably worn

or cracked.

Replace the wiper blades using the following procedure.

1

Raise the wiper arm and turn

the blade assembly to expose

the plastic locking clip.

Compress the clip and slide the

assembly downward; then lift it

off the arm.

Plastic locking clip

2

3

4

Hold the end of the rubber and

pull until the tabs are free of the

metal support.

1

Metal support

Tab

5

2

Remove the metal stiffeners

from each blade rubber and

install them in the new blade.

Carefully insert the new blade

rubber. Then install the blade

assembly in the reverse order

of removal.

Install the blade so that the tabs

are toward the bottom of the wiper

arm.

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5-3. Owner Maintenance

Replacing Rear Window Wiper Blade (5-Door)

When the wiper no longer cleans well, the blade is probably worn or

cracked.

Replace it.

1

Remove the cover.

2

Remove the stopper and raise

the wiper arm.

Stopper

3

Firmly rotate the wiper blade to

the right until it unlocks, then

remove the blade.

4

Pull down the blade rubber and

slide it out of the blade holder.

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5-3. Owner Maintenance

5

Remove the metal stiffeners

from the blade rubber and

install them in the new blade.

6

Carefully insert the new blade

rubber. Then install the blade

assembly in the reverse order

of removal.

NOTICE

5

●To prevent damage to the wiper arms and other components, do not try to

sweep the wiper arm by hand.

●To prevent damage to the windshield let the wiper arm down easily, do not

let it slap down on the windshield.

●To prevent damage to the rear window, do not let the wiper arm fall on it.

●Do not bend or discard the stiffeners. You need to use them again.

●If the metal stiffeners are switched, the blade’s wiping efficiency could be

reduced.

So don’t use the driver’s side metal stiffeners on the passenger’s side, or

vice versa.

●Be sure to reinstall the metal stiffeners in the new blade rubber so that the

curve is the same as it was in the old blade rubber.

●When raising both windshield wiper arms, raise the driver’s side wiper arm

first. When lowering the wiper arms, slowly lower the wiper arm from the

passenger’s side first while supporting it with your hand. Forcefully lower-

ing the wiper arms could damage the wiper arm and blade, and may

scratch or crack the windshield.

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5-3. Owner Maintenance

Battery

Before performing battery mainte-

nance, remove the battery cover

by pressing the tab.

Tab

WARNING

■Wash hands after handling the battery and related accessories

Battery posts, terminals and related accessories contain lead and lead com-

pounds, chemicals known to the State of California to cause cancer and

reproductive harm.

■

Read the following precautions carefully before using the bat-

tery or inspecting to ensure safe and correct handling

Always wear eye protection when working near the battery

Working without eye protection is dangerous. Battery fluid contains SULFU-

RIC ACID which could cause blindness if splashed into your eyes. Also,

hydrogen gas produced during normal battery operation, could ignite and

cause the battery to explode.

■

Wear eye protection and protective gloves to prevent contact

with battery fluid

Spilled battery fluid is dangerous.

Battery fluid contains SULFURIC ACID which could cause serious injuries if

it gets in eyes, or on the skin or clothing. If this happens, immediately flush

your eyes with water for 15 minutes or wash your skin thoroughly and get

medical attention.

■

Always keep batteries out of the reach of children

Allowing children to play near batteries is dangerous. Battery fluid could

cause serious injuries if it gets in the eyes or on the skin.

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5-3. Owner Maintenance

WARNING

■

Keep flames and sparks away from open battery cells and do

not allow metal tools to contact the positive (+) or negative (-) terminal

of the battery when working near a battery. Do not allow the positive (+)

terminal to contact the vehicle body

Flames and sparks near open battery cells are dangerous. Hydrogen gas,

produced during normal battery operation, could ignite and cause the bat-

tery to explode. An exploding battery can cause serious burns and injuries.

Keep all flames including cigarettes and sparks away from open battery

cells.

■

Keep all flames and sparks away from open battery cells

because hydrogen gas is produced from open battery cells while

charging the battery or adding battery fluid:

Flames and sparks near open battery cells are dangerous. Hydrogen gas,

produced during normal battery operation, could ignite and cause the bat-

tery to explode. An exploding battery can cause serious burns and injuries.

Keep all flames including cigarettes and sparks away from open battery

cells.

5

Battery Maintenance

To get the best service from a battery:

• Keep it securely mounted.

• Keep the top clean and dry.

• Keep terminals and connec-

tions clean, tight, and coated

with petroleum jelly or terminal

grease.

• Rinse off spilled electrolyte

immediately with a solution of

water and baking soda.

• If the vehicle will not be used for an extended time, disconnect the

battery cables and charge the battery every 6 weeks.

Battery Replacement

Contact your Toyota dealer for a battery replacement purchase.

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5-3. Owner Maintenance

Key Battery Replacement

If the buttons on the smart key are inoperable and the operation indi-

cator light does not flash, the battery may be dead.

Replace with a new battery before the smart key becomes unusable.

The following conditions indicate that the battery power is low:

• The KEY indicator light (green) flashes in the combination meter for

about 30 seconds after the engine is switched OFF.

• The system does not operate and the operation indicator light on

the smart key does not flash when the buttons are pressed.

• The system’s operational range is reduced.

Replacing the battery at your Toyota dealer is recommended to pre-

vent damage to the key. If replacing the battery by yourself, follow the

instruction below.

■ Replacing the key battery

1

Press the knob and pull out

the auxiliary key.

Knob

2

Twist a tape-wrapped flat-

Cover

head screwdriver in the

direction of the arrow and

open the cover slightly.

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5-3. Owner Maintenance

Cover

3

4

5

6

Insert the tape-wrapped flat-

head screwdriver into the

gap and slide it in the direc-

tion of the arrow.

Gap

Twist the flathead screw-

driver in the direction of the

arrow and remove the cover.

Cover

Remove the battery cap,

then remove the battery.

5

Insert a new battery with the

positive pole facing up, and

then cover the battery with

the battery cap.

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5-3. Owner Maintenance

7

Close the cover.

8

Reinsert the auxiliary key.

NOTICE

●Make sure the battery is installed correctly. Battery leakage could occur if it

is not installed correctly.

●When replacing the battery, be careful not to touch any of the internal cir-

cuitry and electrical terminals, bend the electrical terminals, or get dirt in

the smart key as the smart key could be damaged.

●There is the danger of explosion if the battery is not correctly replaced.

●Dispose of used batteries according to the following instructions.

• Insulate the plus and minus terminals of the battery using cellophane or

equivalent tape.

• Never disassemble.

• Never throw the battery into fire or water.

• Never deform or crush.

●Replace only with the same type battery (CR2025 or equivalent).

●Be careful not to allow the rubber ring

shown in the figure to be scratched or

Rubber ring

damaged.

●If the rubber ring detaches, reattach it

before inserting a new battery.

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5-3. Owner Maintenance

Tires

For reasons of proper performance, safety, and better fuel econ-

omy, always maintain recommended tire inflation pressures and

stay within the recommended load limits and weight distribu-

tion.

WARNING

■Using Different Tire Types

Driving your vehicle with different types of tires is dangerous. It could

cause poor handling and poor braking; leading to loss of control.

Except for the limited use of the temporary spare tire, use only the same

type tires (radial, bias-belted, bias-type) on all four wheels.

■Using Wrong-Sized Tires

Using any other tire size than what is specified for the vehicle (P. 553)

is dangerous. It could seriously affect ride, handling, ground clearance,

tire clearance, and speedometer calibration. This could cause you to

have an accident. Use only tires that are the correct size specified for

the vehicle.

5

Tire Inflation Pressure

Inspect all tire pressures monthly (including the spare) when the tires

are cold. Maintain recommended pressures for the best ride, han-

dling, and minimum tire wear.

Refer to the specification charts (P. 553).

With tire pressure monitoring system:

After adjusting the tire pressure, initialization of the tire pressure mon-

itoring system is necessary to make the system operate normally.

Refer to Tire Pressure Monitoring System Initialization on P. 244.

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5-3. Owner Maintenance

●Always check tire pressure when tires are cold.

●Warm tires normally exceed recommended pressures. Do not release

air from warm tires to adjust the pressure.

●Underinflation can cause reduced fuel economy, uneven and acceler-

ated tire wear, and poor sealing of the tire bead, which will deform the

wheel and cause separation of tire from rim.

●Overinflation can produce a harsh ride, uneven and accelerated tire

wear, and a greater possibility of damage from road hazards.

Keep your tire pressure at the correct levels. If one frequently needs

inflating, have it inspected.

WARNING

■Always inflate the tires to the correct pressure

Overinflation or underinflation of tires is dangerous. Adverse handling or

unexpected tire failure could result in a serious accident.

Refer to Tires on (P. 553).

■Use only a Toyota-genuine tire valve cap

Use of a non-genuine part is dangerous as the correct tire air pressure

cannot be maintained if the tire valve becomes damaged. If the vehicle

is driven under this condition, the tire air pressure will decrease which

could result in a serious accident. Do not use any part for the tire valve

cap that is not a Toyota-genuine part.

Tire Rotation

During rotation, inspect them for

correct balance.

Forward

Do not include

(TEMPORARY USE ONLY)

spare tire in rotation.

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5-3. Owner Maintenance

Also, inspect them for uneven wear and damage. Abnormal wear is

usually caused by one or a combination of the following:

• Incorrect tire pressure

• Improper wheel alignment

• Out-of-balance wheel

• Severe braking

After rotation, inflate all tire pressures to specification (P. 553) and

inspect the lug nuts for tightness.

With tire pressure monitoring system:

After adjusting the tire pressure, initialization of the tire pressure mon-

itoring system is necessary to make the system operate normally.

Refer to Tire Pressure Monitoring System Initialization on P. 244.

WARNING

■Rotate tires periodically

Irregular tire wear is dangerous. To equalize tire wear and extend tire

life, Toyota recommends that tire rotation is carried out at the same

interval as tire inspection.

5

For scheduled maintenance information, please refer to the “Owner’s

Manual Supplement/Scheduled Maintenance Guide”.

NOTICE

Rotate unidirectional tires and radial tires that have an asymmetrical

tread pattern or studs only from front to rear, not from side to side. Tire

performance will be reduced if rotated from side to side.

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Replacing a Tire

5-3. Owner Maintenance

If a tire wears evenly, a wear indicator will appear as a solid band

across the tread.

Replace the tire when this happens.

1

New tread

2

3

Worn tread

Tread wear indicator

You should replace the tire before the band crosses the entire tread.

With tire pressure monitoring system:

After adjusting the tire pressure, initialization of the tire pressure mon-

itoring system is necessary to make the system operate normally.

Refer to Tire Pressure Monitoring System Initialization on P. 244.

Tires degrade over time, even when they are not being used on the road.

It is recommended that tires generally be replaced when they are 6 years

or older. Heat caused by hot climates or frequent high loading conditions

can accelerate the aging process. You should replace the spare tire when

you replace the other road tires due to the aging of the spare tire. The

period in which the tire was manufactured (both week and year) is indi-

cated by a 4-digit number.

Refer to Tire Labeling on P. 522.

WARNING

■Always use tires that are in good condition

Driving with worn tires is dangerous. Reduced braking, steering, and

traction could result in an accident.

■Replace all four tires at the same time

Replacing just one tire is dangerous. It could cause poor handling and

poor braking resulting in loss of vehicle control. Toyota strongly recom-

mends that you replace all four tires at the same time. If you replace

only two tires, the new tires should be installed on the rear of the vehi-

cle.

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5-3. Owner Maintenance

Temporary Spare Tire

Inspect the temporary spare tire at least monthly to make sure it is

properly inflated and stored.

The temporary spare tire is easier to handle because of its construc-

tion which is lighter and smaller than a conventional tire. This tire

should be used only for an emergency and only for a short distance.

Use the temporary spare tire only until the conventional tire is

repaired, which should be as soon as possible.

Refer to Tires on P. 553.

●The temporary spare tire condition gradually deteriorates even if it has

not been used.

●Tires degrade over time, even when they are not being used on the

road. It is recommended that tires generally be replaced when they are

6 years or older. Heat caused by hot climates or frequent high loading

conditions can accelerate the aging process. You should replace the

spare tire when you replace the other road tires due to the aging of the

spare tire. The period in which the tire was manufactured (both week

and year) is indicated by a 4-digit number.

5

Refer to Tire Labeling on P. 522.

NOTICE

●Do not use your temporary spare tire rim with a snow tire or a conven-

tional tire. Neither will properly fit and could damage both tire and rim.

●The temporary spare tire has a tread life of less than 3,000 miles

(5,000 km). The tread life may be shorter depending on driving condi-

tions.

●The temporary spare tire is for limited use, however, if the tread wear

solid-band indicator appears, replace the tire with the same type of

temporary spare (P. 417).

Replacing a Wheel

Proper tire balancing provides the best riding comfort and helps

reduce tread wear. Out-of-balance tires can cause vibration and

uneven wear, such as cupping and flat spots.

When replacing a wheel, make sure the new one is the same as the orig-

inal factory wheel in diameter, rim width, and offset (inset/outset).

For details, contact your Toyota dealer.

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5-3. Owner Maintenance

WARNING

■Always use wheels of the correct size on your vehicle

Using a wrong-sized wheel is dangerous. Braking and handling could

be affected, leading to loss of control and an accident.

NOTICE

A wrong-sized wheel may adversely affect:

●Tire fit

●Wheel and bearing life

●Ground clearance

●Snow-chain clearance

●Speedometer calibration

●Headlight aim

●Bumper height

●Tire Pressure Monitoring System (if equipped)

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5-3. Owner Maintenance

Light Bulbs

■ Front

 With Halogen Headlights

1

Headlights (Low/High beam)/

Daytime running lights

2

3

4

Front side-marker lights

Overhead lights/Map lights

Side turn signal lights (if

equipped)

5

6

Front turn signal lights/Park-

ing lights

Fog lights (if equipped)

 With LED Headlights

5

1

Headlights (High beam)

Headlights (Low beam)

Front side-marker lights

Overhead lights/Map lights

2

3

4

5

Side turn signal lights (if

equipped)

6

7

8

Front turn signal lights/Park-

ing lights

Daytime running light/Park-

ing light

Fog lights

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■ Rear

 4-Door

5-3. Owner Maintenance

1

2

3

4

5

6

Trunk light

High-mount brake lights

License plate lights

Reverse lights

Rear turn signal lights

Brake lights/Taillights/Rear

side-marker lights

 5-Door

1

2

3

4

5

6

7

High-mount brake light

License plate lights

Reverse lights

Rear turn signal lights

Brake lights/Tail lights

Rear side-marker lights

Luggage compartment light

●To replace the bulb, contact your Toyota dealer.

●If the halogen bulb is accidentally touched, it should be cleaned with rubbing

alcohol before being used.

●Use the protective cover and carton of the replacement bulb to dispose of

the old bulb promptly out of the reach of children.

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5-3. Owner Maintenance

WARNING

■Never touch the glass portion of a halogen bulb with your bare hands

and always wear eye protection when handling or working around the

bulbs

When a halogen bulb breaks, it is dangerous. These bulbs contain pressur-

ized gas. If one is broken, it will explode and serious injuries could be

caused by the flying glass.

If the glass portion is touched with bare hands, body oil could cause the

bulb to overheat and explode when lit.

■Always keep halogen bulbs out of the reach of children

Playing with a halogen bulb is dangerous. Serious injuries could be caused

by dropping a halogen bulb or breaking it some other way.

NOTICE

When removing the lens or lamp unit using a flathead screwdriver, make

sure that the flathead screwdriver does not contact the interior terminal. If

the flathead screwdriver contacts the terminal, a short circuit may occur.

5

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5-3. Owner Maintenance

Replacing Exterior Light Bulbs

■ Headlights/Daytime running lights (With halogen headlights)

1

Make sure the ignition is switched off, and the headlight switch is

off.

2

Lift the hood.

3

Disconnect the connector

from the bulb.

4

Detach the sealing cover

from the bulb.

1

2

Retaining spring

Sealing cover

5

6

Unhook the bulb retaining spring.

Swing the retaining spring out and away to free the headlight

bulb.

7

Carefully remove the headlight bulb from the socket by pulling it

straight back.

8

9

Replace the bulb.

Install the new bulb in the reverse order of the removal proce-

dure.

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5-3. Owner Maintenance

■ Front turn signal lights/Parking lights, Front side-marker lights

1

Make sure the ignition is switched off, and the headlight switch is

off.

2

Lift the hood.

3

Front turn signal lights/Park-

ing lights: Remove the fuse

block cover.

4

Turn the socket and bulb assembly counterclockwise and

remove it.

5

Disconnect the bulb from the socket.

 Front turn signal lights/Parking  Front side-marker lights

lights

6

Install the new bulb in the reverse order of the removal proce-

dure.

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5-3. Owner Maintenance

■ Fog lights (if equipped)

1

Make sure the ignition is switched off, and the fog light switch is

off.

2

Turn the screws counter-

clockwise and remove them.

3

Pull the center of each retain-

ers and remove them, and

then partially peel back the

front under cover.

1

2

Removal

Installation

4

Disconnect the connector

from the unit by pressing the

tab on the connector with

your finger and pulling the

connector downward.

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5-3. Owner Maintenance

5

Turn the socket and bulb

assembly to remove it. Care-

fully remove the bulb from its

socket in the reflector by

gently pulling it straight back-

ward out of the socket.

6

Install the new bulb in the reverse order of the removal proce-

dure.

5

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5-3. Owner Maintenance

■ Rear turn signal lights, Brake lights/Taillights/Rear side-marker

lights

 4-Door

1

Make sure the ignition is switched off, and the headlight switch is

off.

2

Remove the cover.

3

Turn the socket and bulb assembly counterclockwise and

remove it.

4

Disconnect the bulb from the socket.

Rear turn signal lights:

Brake lights/Taillights/Rear side-

marker lights:

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5-3. Owner Maintenance

5

6

Install the new bulb in the reverse order of the removal proce-

dure.

Insert the cover tabs and install the cover.

Verify that the cover is securely installed.

 5-Door

1

Make sure the ignition is switched off, and the headlight switch is

off.

2

Turn the bolts counterclock-

wise and remove them.

3

Pull the unit rearward to

remove it.

5

4

5

Turn the socket and bulb assembly counterclockwise and

remove it.

Disconnect the bulb from the socket.

Rear turn signal lights:

Brake lights/Taillights:

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5-3. Owner Maintenance

Rear side-marker lights:

6

Install the new bulb in the reverse order of the removal proce-

dure.

■ Reverse lights

 4-Door

1

Make sure the ignition is switched off, and the headlight switch is

off.

2

Pull the center of each plastic

retainers and remove them.

1

Removal

2

Installation

3

4

Remove the trunk lid trim.

Disconnect the electrical

connector from the bulb by

pressing the tab on the con-

nector with your finger and

pulling the connector.

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5-3. Owner Maintenance

5

6

Turn the socket and bulb

assembly counterclockwise

and remove it.

Disconnect the bulb from the

socket.

7

Install the new bulb in the reverse order of the removal proce-

dure.

 5-Door

1

Make sure the ignition is switched off, and the headlight switch is

off.

2

Pull the center of each plastic

retainer and remove the

retainers.

1

Removal

5

2

Installation

3

4

Remove the trunk lid trim.

Disconnect the connector

from the socket.

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5-3. Owner Maintenance

5

6

Turn the socket and bulb

assembly counterclockwise

and remove it.

Disconnect the bulb from the

socket.

7

Install the new bulb in the reverse order of the removal proce-

dure.

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5-3. Owner Maintenance

■ License plate lights

 4-Door

1

Make sure the ignition is switched off, and the headlight switch is

off.

2

Pull the center of each plastic

retainers and remove them.

1

Removal

2

Installation

3

4

Peel back the trunk lid trim.

Turn the socket and bulb

assembly counterclockwise

and remove it.

5

Disconnect the bulb from the

socket.

6

Install the new bulb in the reverse order of the removal proce-

dure.

 5-Door

1

2

3

Make sure the ignition is switched off, and the headlight switch is

off.

Wrap a flathead screwdriver with a soft cloth to prevent damage

to the light unit.

Insert a flathead screwdriver

into the position shown in the

figure and pull the light unit

outward.

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5-3. Owner Maintenance

4

Disconnect the connector

from the bulb by pressing the

tab on the connector with

your finger and pulling the

connector.

5

6

Turn the socket and bulb

assembly counterclockwise

and remove it.

Disconnect the bulb from the

socket.

7

Install the new bulb in the reverse order of the removal proce-

dure.

■ Headlights/Daytime running lights (With LED headlights), Side

turn signal lights (if equipped), High-mount brake light

The LED bulb cannot be replaced as a single unit because it is an

integrated unit. The LED bulb has to be replaced with the unit. We

recommend your Toyota dealer when the replacement is necessary.

■Headlights/Daytime running lights

●To replace the bulb, contact your Toyota dealer.

●If the halogen bulb is accidentally touched, it should be cleaned with rubbing

alcohol before being used.

●Use the protective cover and carton of the replacement bulb to dispose of

the old bulb promptly out of the reach of children.

●When reinstalling the sealing cover, make sure it is fitted correctly.

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5-3. Owner Maintenance

Replacing Interior Light Bulbs

■ Overhead lights/Map lights

1

Wrap a small flathead screw-

driver with a soft cloth to pre-

vent damage to the lens, and

then remove the lens by

carefully prying on the edge

of the lens with the flathead

screwdriver.

2

Disconnect the bulb by pull-

ing it out.

5

3

Install the new bulb in the reverse order of the removal proce-

dure.

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5-3. Owner Maintenance

■ Trunk light (4-Door)

1

Press both sides of the lens

cap to remove it.

2

Disconnect the bulb by pull-

ing it out.

3

Install the new bulb in the reverse order of the removal proce-

dure.

■ Luggage compartment light (5-Door)

1

Wrap a small flathead screw-

driver with a soft cloth to pre-

vent damage to the lens and

remove the lens by carefully

prying on the edge of the

lens with the flathead screw-

driver.

2

Disconnect the bulb by pull-

ing it out.

3

Install the new bulb in the reverse order of the removal proce-

dure.

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5-3. Owner Maintenance

Fuses

Your vehicle’s electrical system is protected by fuses.

If any lights, accessories, or controls do not work, inspect the

appropriate circuit protector. If a fuse has blown, the inside ele-

ment will be melted.

If the same fuse blows again, avoid using that system and con-

sult your Toyota dealer as soon as possible.

Fuse Replacement

■ Replacing the fuses on the vehicle’s left side

If the electrical system does not work, first inspect the fuses on the

vehicle’s left side.

1

Make sure the ignition is switched off, and other switches are off.

2

Open the fuse panel cover.

5

3

Pull the fuse straight out with

the fuse puller provided on

the fuse block located in the

engine compartment.

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5-3. Owner Maintenance

4

Inspect the fuse and replace

it if it is blown.

1

Normal

Blown

2

5

Insert a new fuse of the same amperage rating, and make sure it

fits tightly. If it does not fit tightly, have an expert install it. We rec-

ommend your Toyota dealer.

If you have no spare fuses, borrow one of the same rating from a

circuit not essential to vehicle operation, such as the AUDIO or

OUTLET circuit.

6

Reinstall the cover and make sure that it is securely installed.

■ Replacing the fuses under the hood

If the headlights or other electrical components do not work and the

fuses in the cabin are normal, inspect the fuse block under the

hood.

If a fuse is blown, it must be replaced.

Follow these steps:

1

Make sure the ignition is switched off, and other switches are off.

2

Remove the fuse block

cover.

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5-3. Owner Maintenance

3

If any fuse but the MAIN fuse

is blown, replace it with a

new one of the same amper-

age rating.

1

Normal

Blown

2

4

Reinstall the cover and make sure that it is securely installed.

WARNING

■Do not replace the main fuse and multiplex slow blow fuse by yourself.

Have your Toyota dealer perform the replacement

Replacing these fuses by yourself is dangerous because they are high cur-

rent fuses. Incorrect replacement could cause an electrical shock or a short

circuit resulting in a fire.

NOTICE

5

Always replace a fuse with a genuine Toyota fuse or equivalent of the same

rating. Otherwise you may damage the electric system.

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5-3. Owner Maintenance

Fuse Panel Description

■ Fuse block (Engine compartment)

FUSE

RATING

DESCRIPTION

PROTECTED COMPONENT

1

2

3

4

5

C/U IG1

ENGINE IG1

SUNROOF

INTERIOR

ENG+B

15 A

For protection of various circuits

Engine control system

—

7.5 A

10 A

15 A

For protection of various circuits

Engine control system

7.5 A

AUDIO2

ENGINE4

6

15 A

Engine control system

7

8

9

METER1

SRS1

10 A

7.5 A

15 A

Combination meter

Air bag

METER2

—

10

11

12

13

RADIO

Audio system

Engine control system

—

ENGINE3

ENGINE1

ENGINE2

Engine control system

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5-3. Owner Maintenance

FUSE

RATING

DESCRIPTION

PROTECTED COMPONENT

14

AUDIO1

A/C MAG

AT PUMP

25 A

7.5 A

15 A

Audio system

Air conditioner

15

16

—

Transaxle control system (if equipped),

Ignition switch

17

AT

15 A

18

19

20

D.LOCK

H/L RH

25 A

20 A

7.5 A

Power door locks

Headlight (RH)

ENG+B2

Engine control system

Taillights, License plate lights, Parking

lights

21

TAIL

20 A

22 ST.HEATER

20 A

25 A

15 A

20 A

10 A

15 A

20 A

30 A

15 A

Heated steering wheel (if equipped)

For protection of various circuits

Fog lights (if equipped)

—

23

24

25

26

27

28

ROOM

FOG

5

H/CLEAN

STOP

Brake lights

HORN

H/L LH

Horn

Headlight (LH)

29 ABS/DSC S

ABS, Dynamic stability control system

Hazard warning flashers, Turn signal lights

30

31

HAZARD

FUEL PUMP

SCR

15 A

Fuel system

32 FUEL WARM

25 A

20 A

50 A

—

Windshield wipers

33

34

WIPER

CABIN+B

For protection of various circuits

FAN2

EPB L

35

30 A

Cooling fan

36 FUEL PUMP

37 ABS/DSC M

30 A

50 A

20 A

—

ABS, Dynamic stability control system

38

39

EVVT

—

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5-3. Owner Maintenance

FUSE

DESCRIPTION

PROTECTED COMPONENT

Cooling fan

RATING

FAN1

EPB R

40

30 A

41

42

43

44

45

FAN3

ENG.MAIN

EPS

40 A

60 A

40 A

30 A

—

Engine control system

—

DEFOG

IG2

Rear window defogger

For protection of various circuits

INJECTOR

ENG.SUB

46

47

30 A

Engine control system

HEATER

40 A

30 A

40 A

Air conditioner

Power windows

—

48 P.WINDOW1

49 DCDC DE

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5-3. Owner Maintenance

■ Fuse block (Left side)

FUSE

RATING

DESCRIPTION

PROTECTED COMPONENT

1

2

3

4

5

6

7

8

9

—

5

AUDIO2

ST.HEATER

F.OUTLET

—

15 A

10 A

15 A

—

Audio system

Heated steering wheel (if equipped)

Accessory sockets

—

AT IND

MIRROR

—

7.5 A

—

AT shift indicator (if equipped)

Power control mirror

—

10 P.WINDOW2

25 A

15 A

—

Power windows

11

12

13

R.WIPER

Rear window wiper

—

14 SRS2/ESCL

15 SEAT WARM

15 A

20 A

7.5 A

Seat warmer (if equipped)

Mirror defogger (if equipped)

16

M.DEF

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MaintenanceandCare -> 5-3. Owner Maintenance for Your Toyota Yaris 4 Door Fourth Generation (2021-2026)

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