Get Maintenance -> Tyres and wheels Guide for Hyundai I20 4 Door 2021-2026

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Tyre care

WARNING

For proper maintenance, safety, and

maximum fuel economy, you must

always maintain recommended tyre

inflation pressures and stay within

the load limits and weight distribution

recommended for your vehicle.

Tyre failure may cause loss of vehicle

control resulting in an accident. To

reduce risk of SERIOUS INJURY or

DEATH, take the following precautions:

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inflation as well as wear and damage.

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for your vehicle can be found in this

manual and on the tyre label located

on the driver’s side centre pillar.

Always use a tyre pressure gauge to

measure tyre pressure. Tyres with

too much or too little pressure wear

unevenly causing poor handling.

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time you check the pressure of the

other tyres on your vehicle.

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uneven wear, or are damaged. Worn

tyres can cause loss of braking

effectiveness, steering control, or

traction.

OBC3010021

All specifications (sizes and pressures)

can be found on a label attached to the

left side centre pillar.

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size as each tyre that was originally

supplied with this vehicle. Using

tyres and wheels other than the

recommended sizes could cause

unusual handling characteristics,

poor vehicle control, or negatively

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accident.

9-33

Maintenance

NOTICE

Recommended cold tyre

inflation pressures

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excessive wear, poor handling

and reduced fuel economy. Wheel

deformation also is possible. Keep

your tyre pressures at the proper

levels. If a tyre frequently needs

refilling, we recommend that the

system be checked by a HYUNDAI

authorised repairer.

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excessive wear at the centre of the

tyre tread, and a greater possibility of

damage from road hazards.

All tyre pressures (including the spare)

should be checked when the tyres are

cold. “Cold tyres” means the vehicle has

not been driven for at least three hours

or driven less than one mile (1.6 km).

Warm tyres normally exceed

recommended cold tyre pressures by 28

to 41 kPa (4 to 6 psi). Do not release air

from warm tyres to adjust the pressure

or the tyres will be under-inflated. For

recommended inflation pressure, refer

to “Tyre and Wheels” in chapter 2.

Check tyre inflation pressure

Check your tyres including the spare tyre

once a month or more.

WARNING

Recommended pressures must be

maintained for the best ride, vehicle

handling, and minimum tyre wear.

Over-inflation or under-inflation can

reduce tyre life, adversely affect

How to check

Use a good quality tyre pressure gauge

to check tyre pressure. You cannot tell if

your tyres are properly inflated simply by

looking at them. Radial tyres may look

properly inflated even when they are

under-inflated.

Remove the valve cap from the tyre

valve stem. Press the tyre gauge

firmly onto the valve to get a pressure

measurement. If the cold tyre inflation

pressure matches the recommended

pressure on the tyre and loading

vehicle handling, and lead to sudden

tyre failure that could result in loss of

vehicle control resulting in an accident.

Severe under-inflation can lead

to severe heat build-up, causing

blowouts, tread separation and other

tyre failures that can result in the

loss of vehicle control resulting in an

accident. This risk is much higher on

hot days and when driving for long

periods at high speeds.

information label, no further adjustment

is necessary. If the pressure is low, add

air until you reach the recommended

pressure. Make sure to put the valve

caps back on the valve stems. Without

the valve cap, dirt or moisture could

get into the valve core and cause air

leakage. If a valve cap is missing, install

a new one as soon as possible.

9-34

09

ꢀWith a full-size spare tyre (if equipped)

If you overfill the tyre, release air by

pushing on the metal stem in the centre

of the tyre valve. Recheck the tyre

pressure with the tyre gauge. Be sure

to put the valve caps back on the valve

stems. Without the valve cap, dirt or

moisture could get into the valve core

and cause air leakage. If a valve cap is

missing, install a new one as soon as

possible.

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Tyre rotation

ꢀWithout a spare tyre

To equalize tread wear, HYUNDAI

recommends that the tyres be rotated

every 10,000 miles (15,000 km) or

sooner if irregular wear develops.

During rotation, check the tyres for

correct balance.

When rotating tyres, check for uneven

wear and damage. Abnormal wear

is usually caused by incorrect tyre

pressure, improper wheel alignment,

out-of-balance wheels, severe braking

or severe cornering. Look for bumps or

bulges in the tread or side of the tyre.

Replace the tyre if you find any of these

conditions. Replace the tyre if fabric or

cord is visible. After rotation, be sure to

bring the front and rear tyre pressures to

specification and check lug nut tightness

(proper torque is 11~13kgf.m (79~94 lbf.

ft, 107~127N.m).

CBGQ0707

ꢀDirectional tyres (if equipped)

CBGQ0707A

Disc brake pads should be inspected for

wear whenever tyres are rotated.

9-35

Maintenance

Tyre replacement

Information

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Tread wear indicator

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WARNING

śꢀ Do not use the compact spare tyre for

tyre rotation.

śꢀ Do not mix bias ply and radial ply

tyres under any circumstances.

This may cause unusual handling

characteristics that may cause loss

of vehicle control resulting in an

accident.

OLMB073027

If the tyre is worn evenly, a tread wear

indicator will appear as a solid band

across the tread. This shows there is

less than 1.6 mm (1/16 in.) of tread left

on the tyre. Replace the tyre when this

happens.

Do not wait for the band to appear

across the entire tread before replacing

the tyre.

Wheel alignment and tyre

balance

The wheels on your vehicle were aligned

and balanced carefully at the factory to

give you the longest tyre life and best

overall performance.

In most cases, you will not need to have

your wheels aligned again. However,

if you notice unusual tyre wear or your

vehicle pulling one way or the other, the

alignment may need to be reset.

If you notice your vehicle vibrating when

driving on a smooth road, your wheels

may need to be rebalanced.

NOTICE

Incorrect wheel weights can damage

your vehicle’s aluminium wheels. Use

only approved wheel weights.

9-36

09

Compact spare tyre replacement

(if equipped)

WARNING

To reduce the risk of DEATH or SERIOUS

INJURY:

A compact spare tyre has a shorter

tread life than a regular size tyre.

Replace it when you can see the

tread wear indicator bars on the tyre.

The replacement compact spare tyre

should be the same size and design

tyre as the one provided with your new

vehicle and should be mounted on the

same compact spare tyre wheel. The

compact spare tyre is not designed to

be mounted on a regular size wheel,

and the compact spare tyre wheel is not

designed for mounting a regular size

tyre.

śꢀ Replace tyres that are worn, show

uneven wear, or are damaged. Worn

tyres can cause loss of braking

effectiveness, steering control, and

traction.

śꢀ Always replace tyres with the same

size as each tyre that was originally

supplied with this vehicle. Using

tyres and wheels other than the

recommended sizes could cause

unusual handling characteristics,

poor vehicle control, or negatively

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accident.

śꢀ When replacing tyres (or wheels), it

is recommended to replace the two

front or two rear tyres (or wheels)

as a pair. Replacing just one tyre

can seriously affect your vehicle’s

handling.

śꢀ Tyres degrade over time, even when

they are not being used. Regardless

of the remaining tread, HYUNDAI

recommends that tyres be replaced

after six (6) years of normal service.

WARNING

The original tyre should be repaired or

replaced as soon as possible to avoid

failure of the spare and loss of vehicle

control resulting in an accident. The

compact spare tyre is for emergency

use only. Do not operate your vehicle

over 50 mph (80 km/h) when using the

compact spare tyre.

śꢀ Heat caused by hot climates or

frequent high loading conditions can

accelerate the aging process. Failure

to follow this warning may cause

sudden tyre failure, which could lead

to a loss of vehicle control resulting

in an accident.

9-37

Maintenance

1

Wheel replacement

5,6

When replacing the metal wheels for any

reason, make sure the new wheels are

equivalent to the original factory units in

diameter, rim width and offset.

7

4

3

2

Tyre traction

Tyre traction can be reduced if you drive

on worn tyres, tyres that are improperly

inflated or on slippery road surfaces.

Tyres should be replaced when tread

wear indicators appear. To reduce the

possibility of losing control, slow down

whenever there is rain, snow or ice on

the road.

1

OLMB073028

1. Manufacturer or brand name

Manufacturer or brand name is shown.

2. Tyre size designation

A tyre’s sidewall is marked with a tyre

size designation. You will need this

information when selecting replacement

tyres for your car. The following explains

what the letters and numbers in the tyre

size designation mean.

Tyre maintenance

In addition to proper inflation, correct

wheel alignment helps to decrease tyre

wear. If you find a tyre is worn unevenly,

have your dealer check the wheel

alignment.

When you have new tyres installed,

make sure they are balanced. This will

increase vehicle ride comfort and tyre

life. Additionally, a tyre should always

be rebalanced if it is removed from the

wheel.

Example tyre size designation:

(These numbers are provided as an

example only; your tyre size designator

could vary depending on your vehicle.)

185/65R15 88 H

185 - Tyre width in millimeters.

65 - Aspect ratio. The tyre’s section

height as a percentage of its width.

Tyre sidewall labelling

R - Tyre construction code (Radial).

15 - Rim diameter in inches.

88 - Load Index, a numerical code

associated with the maximum load

the tyre can carry.

H - Speed Rating Symbol. See the

speed rating chart in this section for

additional information.

This information identifies and describes

the fundamental characteristics of

the tyre and also provides the tyre

identification number (TIN) for safety

standard certification. The TIN can be

used to identify the tyre in case of a

recall.

9-38

09

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3. Checking tyre life (TIN : Tyre

Identification Number)

Wheels are also marked with important

information that you need if you ever

have to replace one. The following

explains what the letters and numbers in

the wheel size designation mean.

Any tyres that are over six years old,

based on the manufacturing date,

(including the spare tyre) should be

replaced by new ones. You can find

the manufacturing date on the tyre

sidewall (possibly on the inside of

the wheel), displaying the DOT Code.

The DOT Code is a series of numbers

on a tyre consisting of numbers and

Example wheel size designation:

6.0J X 15

6.0 - Rim width in inches.

J - Rim contour designation.

15 - Rim diameter in inches.

English letters. The manufacturing date

is designated by the last four digits

(characters) of the DOT code.

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DOT : XXXX XXXX OOOO

The chart below lists many of the

different speed ratings currently being

used for passenger vehicle tyres. The

speed rating is part of the tyre size

designation on the sidewall of the tyre.

This symbol corresponds to that tyre’s

designed maximum safe operating

speed.

The front part of the DOT shows a plant

code number, tyre size and tread pattern

and the last four numbers indicate week

and year manufactured.

For example:

DOT XXXX XXXX 1521 represents that the

tyre was produced in the 15th week of

2021.

Speed Rating

Maximum Speed

Symbol

4. Tyre ply composition and

material

The number of layers or plies of

rubber-coated fabric in the tyre. Tyre

manufacturers also must indicate the

materials in the tyre, which include steel,

nylon, polyester, and others. The letter

“R” means radial ply construction; the

letter “D“ means diagonal or bias ply

construction; and the letter “B” means

belted-bias ply construction.

112 mph (180 km/h)

S

118 mph (190 km/h)

T

H

V

130 mph (210 km/h)

149 mph (240 km/h)

168 mph (270 km/h)

186 mph (300 km/h)

W

Y

9-39

Maintenance

The relative performance of tyres

depends upon the actual conditions

of their use, however, and may depart

significantly from the norm due to

variations in driving habits, service

practices and differences in road

characteristics and climate.

These grades are molded on the

sidewalls of passenger vehicle tyres. The

tyres available as standard or optional

equipment on your vehicle may vary

with respect to grade.

5. Maximum permissible inflation

pressure

This number is the greatest amount

of air pressure that should be put in

the tyre. Do not exceed the maximum

permissible inflation pressure. Refer to

the Tyre and Loading Information label

for recommended inflation pressure.

6. Maximum load rating

This number indicates the maximum

load in kilograms and pounds that can

be carried by the tyre. When replacing

the tyres on the vehicle, always use a

tyre that has the same load rating as the

factory installed tyre.

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The traction grades, from highest to

lowest, are AA, A, B and C. Those grades

represent the tyre’s ability to stop on wet

pavement as measured under controlled

conditions on specified government

test surfaces of asphalt and concrete. A

tyre marked C may have poor traction

performance.

7. Uniform tyre quality grading

Quality grades can be found where

applicable on the tyre sidewall between

tread shoulder and maximum section

width.

For example:

TREADWEAR 200

TRACTION AA

WARNING

The traction grade assigned to this tyre

is based on straight-ahead braking

traction tests, and does not include

acceleration, cornering, hydroplaning,

or peak traction characteristics.

TEMPERATURE A

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The tread wear grade is a comparative

rating based on the wear rate of the tyre

when tested under controlled conditions

on a specified government test course.

For example, a tyre graded 150 would

wear one-and-a-half times (1½) as well

on the government course as a tyre

graded 100.

9-40

09

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CAUTION

The temperature grades are A (the

highest), B and C representing the tyre’s

resistance to the generation of heat

and its ability to dissipate heat when

tested under controlled conditions on a

specified indoor laboratory test wheel.

Sustained high temperature can cause

the material of the tyre to degenerate

and reduce tyre life, and excessive

temperature can lead to sudden tyre

failure. Grades B and A represent higher

levels of performance on the laboratory

test wheel than the minimum required

by law.

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ratio tyre is shorter than a standard

tyre, the rim of the wheel and the

tyre itself are more easily more easily

susceptible to damage. Use caution

when driving and follow the guidelines

below to help minimise damage to the

wheel and tyre:

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driving off a road, be careful not to

damage the tyres and wheels. After

driving, inspect the tyres and wheels.

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bump, manhole, or kerb stone,

drive the vehicle slowly so as not to

damage the tyres and wheels.

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impact, we recommend you have

the tyre and wheel inspected by a

HYUNDAI authorised repairer.

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pressure every 3,000 km (1,800 miles)

to prevent tyre damage.

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if there is the slightest hint of tyre

damage, have the tyre checked or

replaced because the tyre damage

may cause air leakage from the tyre.

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on a rough road, off road, pothole,

manhole, or kerb stone, it will not be

covered by the warranty.

WARNING

The temperature grade for this tyre is

established for a tyre that is properly

inflated and not overloaded. Excessive

speed, under-inflation, over-inflation,

or excessive loading, either separately

or in combination, can cause heat

build-up and possible sudden tyre

failure. This may cause loss of vehicle

control resulting in an accident.

Low aspect ratio tyres

Low aspect ratio tyres, the aspect ratio

is lower than 50, are provided for sporty

looks.

Because low aspect ratio tyres are

optimized for handling and braking, their

sidewall is a little stiffer than a standard

tyre. Also, low aspect ratio tyres tend to

be wider so that they consequently have

a greater contact patch with the road

surface. In some instances, they may

generate more road noise compared

with standard tyres.

9-41

Maintenance -> Tyres and wheels for Your Hyundai I20 4 Door 2021-2026

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