Hyundai Ioniq Plug-in Hybrid (2018 year). Instruction

Maintenance

Wheel Alignment and Tire

Tire Replacement

WARNING

Balance

The wheels on your vehicle were

Tread wear indicator

To reduce the risk of DEATH or

aligned and balanced carefully at the

SERIOUS INJURY:

factory to give you the longest tire life

•

Replace tires that are worn,

and best overall performance.

show uneven wear, or are

In most cases, you will not need to

damaged. Worn tires can

have your wheels aligned again.

cause loss of braking effec-

However, if you notice unusual tire

tiveness, steering control, and

wear or your vehicle pulling one way

traction.

or the other, the alignment may need

•

Always replace tires with the

to be reset.

same size as each tire that

If you notice your vehicle vibrating

OLMB073027

was originally supplied with

when driving on a smooth road, your

this vehicle. Using tires and

If the tire is worn evenly, a tread wear

wheels may need to be rebalanced.

wheels other than the recom-

indicator will appear as a solid band

across the tread. This shows there is

mended sizes could cause

NOTICE

less than 1/16 inch (1.6 mm) of tread

unusual handling characteris-

left on the tire. Replace the tire when

tics, poor vehicle control, or

Improper wheel weights can dam-

negatively affect your vehi-

this happens.

age your vehicle's aluminum

cle’s Anti-Lock Brake System

Do not wait for the tread surface to

wheels. Use only approved wheel

(ABS) resulting in a serious

weights.

become level with the tread wear

accident.

indicators before replacing the tire.

(Continued)

7-38

Compact spare tire replacement

Wheel Replacement

(Continued)

(if equipped)

When replacing the metal wheels for

•

Tires degrade over time, even

A compact spare tire has a shorter

any reason, make sure the new

when they are not being used.

tread life than a regular size tire.

wheels are equivalent to the original

Regardless of the remaining

Replace it when you can see the

factory units in diameter, rim width

tread, HYUNDAI recommends

tread wear indicator bars on the tire.

and offset.

that tires be replaced after six

The replacement compact spare tire

(6) years of normal service.

should be the same size and design

•

When replacing tires

(or

Tire Traction

tire as the one provided with your

wheels), it is recommended to

new vehicle and should be mounted

Tire traction can be reduced if you

replace the two front or two

on the same compact spare tire

drive on worn tires, tires that are

rear tires (or wheels) as a pair.

wheel. The compact spare tire is not

improperly inflated or on slippery

Replacing just one tire can

designed to be mounted on a regular

road surfaces. Tires should be

seriously affect your vehicle's

size wheel, and the compact spare

replaced when the tread depth is at

handling. If only replacing one

tire wheel is not designed for mount-

least 1/16 inch (1.6 mm). To reduce

pair of tires, it is recommend-

ing a regular size tire.

the possibility of losing control, slow

ed to install the pair of new

down whenever there is rain, snow or

tires on the rear axle.

ice on the road.

WARNING

• Heat caused by hot climates

or frequent high loading con-

The original tire should be

ditions can accelerate the

repaired or replaced as soon as

aging process. Failure to fol-

possible to avoid failure of the

low this warning may cause

spare and loss of vehicle con-

sudden tire failure, which

trol resulting in an accident. The

could lead to a loss of vehicle

compact spare tire is for emer-

control resulting in an acci-

gency use only. Do not operate

dent.

your vehicle over 50 mph (80

km/h) when using the compact

spare tire.

7-39

Maintenance

Tire Maintenance

Example tire size designation:

In addition to proper inflation, correct

(These numbers are provided as an

5,6

wheel alignment helps to decrease

example only; your tire size designa-

tor could vary depending on your

tire wear. If you find a tire is worn

unevenly, have your dealer check the

vehicle.)

wheel alignment.

195/65R15 91H

When you have new tires installed,

make sure they are balanced. This

195 - Tire width in millimeters.

will increase vehicle ride comfort and

65 - Aspect ratio. The tire’s section

tire life. Additionally, a tire should

height as a percentage of its

always be rebalanced if it is removed

OLMB073028

width.

from the wheel.

1. Manufacturer or brand name

R - Tire construction code (Radial).

Manufacturer or brand name is

15 - Rim diameter in inches.

Tire Sidewall Labeling

shown.

91 - Load Index, a numerical code

This information identifies and

associated with the maximum

describes the fundamental charac-

load the tire can carry.

2. Tire size designation

teristics of the tire and also provides

H - Speed Rating Symbol. See the

the tire identification number

(TIN)

A tire's sidewall is marked with a tire

speed rating chart in this section

for safety standard certification. The

size designation. You will need this

for additional information.

TIN can be used to identify the tire in

information when selecting replace-

case of a recall.

ment tires for your car. The following

explains what the letters and num-

bers in the tire size designation

mean.

7-40

Wheel size designation

Tire speed ratings

3. Checking tire life (TIN : Tire

Wheels are also marked with impor-

The chart below lists many of the dif-

Identification Number)

tant information that you need if you

ferent speed ratings currently being

Any tires that are over six years old,

ever have to replace one. The follow-

used for passenger vehicle tires. The

based on the manufacturing date,

ing explains what the letters and

speed rating is part of the tire size

(including the spare tire) should be

numbers in the wheel size designa-

designation on the sidewall of the

replaced by new ones. You can find

tion mean.

tire. This symbol corresponds to that

the manufacturing date on the tire

tire's designed maximum safe oper-

sidewall (possibly on the inside of the

Example wheel size designation:

ating speed.

wheel), displaying the DOT Code.

6.5J X 15

The DOT Code is a series of num-

Speed

bers on a tire consisting of numbers

6.5 - Rim width in inches.

Rating

Maximum Speed

and English letters. The manufactur-

Symbol

ing date is designated by the last four

J - Rim contour designation.

112 mph (180 km/h)

digits (characters) of the DOT code.

15 - Rim diameter in inches.

118 mph (190 km/h)

130 mph (210 km/h)

DOT : XXXX XXXX OOOO

149 mph (240 km/h)

168 mph (270 km/h)

The front part of the DOT shows a

186 mph (300 km/h)

plant code number, tire size and

tread pattern and the last four num-

bers indicate week and year manu-

factured.

For example:

DOT XXXX XXXX 1417 represents

that the tire was produced in the 14th

week of 2017.

7-41

Maintenance

4. Tire ply composition and

6. Maximum load rating

Tread wear

material

This number indicates the maximum

The tread wear grade is a compara-

The number of layers or plies of rub-

load in kilograms and pounds that

tive rating based on the wear rate of

ber-coated fabric in the tire. Tire

can be carried by the tire. When

the tire when tested under controlled

manufacturers also must indicate the

replacing the tires on the vehicle,

conditions on a specified govern-

materials in the tire, which include

always use a tire that has the same

ment test course. For example, a tire

steel, nylon, polyester, and others.

load rating as the factory installed

graded 150 would wear one-and-a-

The letter "R" means radial ply con-

tire.

half times (1½) as well on the gov-

struction; the letter "D" means diago-

ernment course as a tire graded 100.

nal or bias ply construction; and the

The relative performance of tires

7. Uniform tire quality grading

letter "B" means belted-bias ply con-

depends upon the actual conditions

struction.

Quality grades can be found where

of their use, however, and may

applicable on the tire sidewall

depart significantly from the norm

between tread shoulder and maxi-

due to variations in driving habits,

5. Maximum permissible infla-

mum section width.

service practices and differences in

tion pressure

For example:

road characteristics and climate.

This number is the greatest amount

TREADWEAR 200

These grades are molded on the

of air pressure that should be put in

TRACTION AA

sidewalls of passenger vehicle tires.

the tire. Do not exceed the maximum

The tires available as standard or

permissible inflation pressure. Refer

TEMPERATURE A

optional equipment on your vehicle

to the Tire and Loading Information

may vary with respect to grade.

label for recommended inflation

pressure.

7-42

Traction - AA, A, B & C

Temperature - A, B & C

WARNING

The traction grades, from highest to

The temperature grades are A (the

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

highest), B and C representing the

The temperature grade for this

grades represent the tire's ability to

tire’s resistance to the generation of

tire is established for a tire that

stop on wet pavement as measured

heat and its ability to dissipate heat

is properly inflated and not

under controlled conditions on spec-

when tested under controlled condi-

overloaded. Excessive speed,

ified government test surfaces of

tions on a specified indoor laboratory

under-inflation, over-inflation,

asphalt and concrete. A tire marked

test wheel.

or excessive loading, either

C may have poor traction perform-

Sustained high temperature can

separately or in combination,

ance.

cause the material of the tire to

can cause heat build-up and

degenerate and reduce tire life, and

possible sudden tire failure.

WARNING

excessive temperature can lead to

This may cause loss of vehicle

sudden tire failure. Grade C

control resulting in an accident.

The traction grade assigned to

responds to a level of performance

this tire is based on straight-

which all passenger car tires must

ahead braking traction tests,

meet under the Federal Motor

and does not include accelera-

Vehicle Safety Standard No.

109.

tion, cornering, hydroplaning,

Grades B and A represent higher

or peak traction characteristics.

levels of performance on the labora-

tory test wheel than the minimum

required by law.

7-43

Maintenance

Tire Terminology and

Bead

DOT Markings

Definitions

The tire bead contains steel wires

A code molded into the sidewall of a

Air Pressure

wrapped by steel cords that hold the

tire signifying that the tire is in com-

tire onto the rim.

pliance with the U.S. Department of

The amount of air inside the tire

Transportation motor vehicle safety

pressing outward on the tire. Air

standards. The DOT code includes

pressure is expressed in pounds per

Bias Ply Tire

the Tire Identification Number (TIN),

square inch (psi) or kilopascal (kPa).

A pneumatic tire in which the plies

an alphanumeric designator which

are laid at alternate angles less than

can also identify the tire manufactur-

Accessory Weight

90 degrees to the centerline of the

er, production plant, brand and date

tread.

of production.

This means the combined weight of

optional accessories. Some exam-

ples of optional accessories are

Cold Tire Pressure

GVWR

automatic transmission, power

The amount of air pressure in a tire,

Gross Vehicle Weight Rating

seats, and air conditioning.

measured in pounds per square inch

(psi) or kilopascals (kPa) before a tire

GAWR FRT

has built up heat from driving.

Aspect Ratio

Gross Axle Weight Rating for the

The relationship of a tire's height to

Front Axle.

its width.

Curb Weight

This means the weight of a motor

GAWR RR

vehicle with standard and optional

Belt

equipment including the maximum

Gross Axle Weight Rating for the

A rubber coated layer of cords that is

capacity of fuel, oil and coolant, but

Rear axle.

located between the plies and the

without passengers and cargo.

tread. Cords may be made from steel

or other reinforcing materials.

Intended Outboard Sidewall

The side of an asymmetrical tire, that

must always face outward when

mounted on a vehicle.

7-44

Kilopascal (kPa)

Maximum Load Rating

Passenger (P-Metric) tire

The metric unit for air pressure.

The load rating for a tire at the maxi-

A tire used on passenger cars and

mum permissible inflation pressure

some light duty trucks and multipur-

for that tire.

pose vehicles.

Light truck(LT) tire

A tire designated by its manufacturer

Maximum Loaded Vehicle

Ply

as primarily intended for use on light-

weight trucks or multipurpose pas-

Weight

A layer of rubber-coated parallel

senger vehicles.

The sum of curb weight; accessory

cords.

weight; vehicle capacity weight; and

production options weight.

Load ratings

Pneumatic tire

The maximum load that a tire is rated

A mechanical device made of rubber,

to carry for a given inflation pressure.

Normal Occupant Weight

chemicals, fabric and steel or other

The number of occupants a vehicle

materials, that, when mounted on an

is designed to seat multiplied by 150

automotive wheel provides the trac-

Load Index

pounds (68 kg).

tion and contains the gas or fluid that

An assigned number ranging from 1

sustains the load.

to 279 that corresponds to the load

carrying capacity of a tire.

Occupant Distribution

Pneumatic options weight

Designated seating positions.

The combined weight of installed

Maximum Inflation Pressure

regular production options weighing

The maximum air pressure to which

Outward Facing Sidewall

over 5 lb. (2.3 kg) in excess of the

a cold tire may be inflated. The max-

An asymmetrical tire has a particular

standard items which they replace,

imum air pressure is molded onto the

side that faces outward when mount-

not previously considered in curb

sidewall.

ed on a vehicle. The outward facing

weight or accessory weight, includ-

sidewall bears white lettering or

ing heavy duty breaks, ride levelers,

bears manufacturer, brand, and/or

roof rack, heavy duty battery, and

model name molding that is higher or

special trim.

deeper than the same moldings on

the inner facing sidewall.

7-45

Maintenance

Recommended Inflation

Traction

Vehicle Capacity Weight

Pressure

The friction between the tire and the

The number of designated seating

Vehicle manufacturer's recommend-

road surface. The amount of grip pro-

positions multiplied by 150 lbs. (68

ed tire inflation pressure as shown

vided.

kg) plus the rated cargo and luggage

on the tire placard.

load.

Tread

Radial Ply Tire

Vehicle Maximum Load on the

The portion of a tire that comes into

A pneumatic tire in which the ply

contact with the road.

Tire

cords that extend to the beads are

Load on an individual tire due to curb

laid at 90 degrees to the centerline of

and accessory weight plus maximum

Treadwear Indicators

the tread.

occupant and cargo weight.

Narrow bands, sometimes called

"wear bars", that show across the

Rim

Vehicle Normal Load on the Tire

tread of a tire when only 1/16 inch of

A metal support for a tire and upon

tread remains.

Load on an individual tire that is

which the tire beads are seated.

determined by distributing to each

axle its share of the curb weight,

UTQGS

accessory weight, and normal occu-

Sidewall

Uniform Tire Quality Grading

pant weight and dividing by 2.

The portion of a tire between the

Standards is a tire information sys-

tread and the bead.

tem that provides consumers with

ratings for a tire's traction, tempera-

Vehicle Placard

ture and treadwear. Ratings are

A label permanently attached to a

Speed Rating

determined by tire manufacturers

vehicle showing the original equip-

An alphanumeric code assigned to a

using government testing proce-

ment tire size and recommended

tire indicating the maximum speed at

dures. The ratings are molded into

inflation pressure.

which a tire can operate.

the sidewall of the tire.

7-46

All Season Tires

Snow Tires

Radial-ply tires have the same load

carrying capacity, as bias-ply or bias

HYUNDAI specifies all season tires

If you equip your car with snow tires,

belted tires of the same size, and use

on some models to provide good

they should be the same size and

the same recommended inflation

performance for use all year round,

have the same load capacity as the

pressure. Mixing of radial-ply tires

including snowy and icy road condi-

original tires. Snow tires should be

with bias-ply or bias belted tires is

tions. All season tires are identified

installed on all four wheels; other-

not recommended. Any combina-

by ALL SEASON and/or M+S (Mud

wise, poor handling may result. Snow

tions of radial-ply and bias-ply or bias

and Snow) on the tire sidewall. Snow

tires should carry

4 psi

(28 kPa)

belted tires when used on the same

tires have better snow traction than

more air pressure than the pressure

vehicle will seriously deteriorate

all season tires and may be more

recommended for the standard tires

vehicle handling. The best rule to fol-

appropriate in some areas.

on the tire label on the driver’s side of

low is: Identical pairs of radial-ply

the center pillar, or up to the maxi-

tires should always be used as a set

mum pressure shown on the tire

Summer Tires

for the front tires and a set for the

sidewall, whichever is less. Do not

rear tires.

HYUNDAI specifies summer tires on

drive faster than 75 mph (120 km/h)

some models to provide superior

when your vehicle is equipped with

Longer wearing tires can be more

performance on dry roads. Summer

snow tires.

susceptible to irregular tread wear. It

tire performance is substantially

is very important to follow the tire

reduced in snow and ice. Summer

rotation interval in this chapter to

Radial-Ply Tires

achieve the tread life potential of

tires do not have the tire traction rat-

ing M+S (Mud and Snow) on the tire

Radial-ply tires provide improved

these tires. Cuts and punctures in

side wall. If you plan to operate your

tread life, road hazard resistance and

radial-ply tires are repairable only in

vehicle in snowy or icy conditions,

smoother high speed ride. The radi-

the tread area, because of sidewall

HYUNDAI recommends the use of

al-ply tires used on this vehicle are of

flexing. Consult your tire dealer for

snow tires or all season tires on all

belted construction, and are selected

radial-ply tire repairs.

four wheels.

to complement the ride and handling

characteristics of your vehicle.

7-47

Maintenance

WARNING

CAUTION

Do not mix bias ply and radial

Because the sidewall of a low

•

It is not easy to recognize tire

ply tires under any circum-

aspect ratio tire is shorter than

damage with your own eyes.

stances. This may cause unusu-

a standard tire, the rim of the

But if there is the slightest

al handling characteristics that

wheel and the tire itself is more

hint of tire damage, have the

may cause loss of vehicle con-

easily susceptible to damage.

tire checked or replaced

trol resulting in an accident.

Use caution when driving and

because the tire damage may

follow the guidelines below to

cause air leakage from the

help minimize damage to the

tire.

Low Aspect Ratio Tires

wheel and tire:

•

If the tire is damaged by driv-

- When driving on a rough road

ing on a rough road, off road,

The aspect ratio is lower than 50 on

or off road, drive cautiously

pothole, manhole, or curb

low aspect ratio tires.

because tires and wheels may

stone, it will not be covered by

Because low aspect ratio tires are

be damaged. And after driving,

the warranty.

optimized for handling and braking,

inspect tires and wheels.

their sidewall is a little stiffer than a

- When passing over a pothole,

standard tire. Also low aspect ratio

speed bump, manhole, or curb

tires tend to be wider and conse-

stone, drive slowly so that the

quently have a greater contact patch

tires and wheels are not dam-

with the road surface. In some

aged.

instances they may generate more

road noise compared with standard

- If the tire is subjected to a

tires.

severe impact, have the tire

and wheel inspected by an

authorized HYUNDAI dealer.

- Inspect the tire condition and

pressure every

1,800 miles

(3,000km).

7-48

FUSES

■ Blade type

A vehicle’s electrical system is pro-

WARNING

tected from electrical overload dam-

age by fuses.

NEVER replace a fuse with any-

This vehicle has 2 (or 3) fuse panels,

thing but another fuse of the

one located in the driver's side panel

Normal

Blown

same rating.

bolster, the other in the engine com-

■ Cartridge type

• A higher capacity fuse could

partment near the battery.

cause damage and possibly

If any of your vehicle’s lights, acces-

cause a fire.

sories, or controls do not work, check

• Do not install a wire or alu-

the appropriate circuit fuse. If a fuse

minum foil instead of the

has blown, the element inside the

proper fuse - even as a tem-

Normal

Blown

fuse will be melted or broken.

porary repair. It may cause

■ Multi fuse

If the electrical system does not

extensive wiring damage and

work, first check the driver's side

possibly a fire.

fuse panel. Before replacing a blown

fuse, turn the engine and all switches

off, and then disconnect the negative

NOTICE

battery cable. Always replace a

blown fuse with one of the same rat-

Do not use a screwdriver or any

Normal

Blown

other metal object to remove

ing.

■ Battery fuse terminal

fuses because it may cause a

If the replacement fuse blows, this

short circuit and damage the sys-

indicates an electrical problem. Avoid

tem.

using the system involved and imme-

diately consult an authorized

HYUNDAI dealer.

Normal

Blown

OLF074075

7-49

Maintenance

Instrument Panel Fuse

In an emergency, if you do not have

Replacement

a spare fuse, use a fuse of the same

rating from a circuit you may not

need for operating the vehicle.

If the headlamps or other electrical

components do not work and the

fuses are undamaged, check the

fuse panel in the engine compart-

ment. If a fuse is blown, it must be

replaced with the same rating.

OAE076018

5. Pull the suspected fuse straight

out. Use the removal tool provided

OAE076017

in the engine compartment fuse

1. Turn the vehicle off.

panel.

2. Turn all other switches OFF.

6. Check the removed fuse; replace

3. Open the fuse panel cover.

it if it is blown. Spare fuses are

provided in the instrument panel

4. Refer to the label on the inside of

fuse panels (or in the engine com-

the fuse panel cover to locate the

partment fuse panel).

suspected fuse location.

7. Push in a new fuse of the same

rating, and make sure it fits tightly

in the clips. If it fits loosely, consult

an authorized HYUNDAI dealer.

7-50

Fuse switch

Engine Compartment Panel

Information

Fuse Replacement

■ Blade type fuse

OAE076023

OAE076019

■ Cartridge type fuse

OLFH044149L/OAEPH047564N

Always, place the fuse switch to the

If the fuse switch is OFF, "Turn on

ON position.

FUSE SWITCH" or "Turn FUSE

If you move the switch to the OFF

SWTICH On" message will appear.

position, some items such as the

audio system and digital clock must

NOTICE

be reset and the smart key may not

work properly.

• Always place the fuse switch in

the ON position while driving the

vehicle.

OAE076024

• Do not move the fuse switch

repeatedly. The fuse switch may

1. Turn the vehicle off.

be damaged.

2. Turn all other switches OFF.

3. Remove the fuse panel cover by

pressing the tap and pulling up.

7-51

Maintenance

4. Check the removed fuse; replace

Multi fuse

CAUTION

it if it is blown. To remove or insert

the fuse, use the fuse puller in the

After checking the fuse box in

engine compartment fuse panel.

the

engine compartment

5. Push in a new fuse of the same

securely close the fuse box

rating, and make sure it fits tightly

cover inside the engine com-

in the clips. If it fits loosely, consult

partment, until it clicks.

an authorized HYUNDAI dealer.

If the fuse box is not closed

properly, water may leak in side,

possibly causing a malfunction

with the electrical system.

OAE076022

Information

If the multi fuse is blown, it must be

removed as follows:

If the multi fuse is blown, consult an

authorized HYUNDAI dealer.

1. Turn the vehicle off.

2. Disconnect the negative battery

cable.

3. Remove the fuse panel cover by

pressing the tab and pulling it up.

4. Remove the nuts shown in the pic-

ture above.

5. Replace the fuse with a new one

of the same rating.

6. Reinstall in the reverse order of

removal.

7-52

Hyundai Ioniq Plug-in Hybrid (2018 year). Instruction - part 28