2023 HYUNDAI I30 maintenance schedule

F9
Introduction
Use of MTBE
HYUNDAI recommends avoiding
fuels containing MTBE (Methyl
Tertiary Butyl Ether) over 15.0% vol.
(Oxygen Content 2.7% weight) in
your vehicle.
Fuel containing MTBE over 15.0%
vol. (Oxygen Content 2.7% weight)
may reduce vehicle performance and
produce vapour lock or hard starting.
Your New Vehicle Limited
Warranty may not cover damage
to the fuel system and any per-
formance problems that are
caused by the use of fuels con-
taining methanol or fuels contain-
ing MTBE (Methyl Tertiary Butyl
Ether) over 15.0% vol. (Oxygen
Content 2.7% weight.)
Do not use methanol
Fuels containing methanol (wood
alcohol) should not be used in your
vehicle.This type of fuel can reduce
vehicle performance and damage
components of the fuel system, engine
control system and emission control
system.
Fuel Additives
HYUNDAI recommends that you use
unleaded petrol which has an
Octane Rating of RON (Research
Octane Number) 91 or higher.
For customers who do not use good
quality petrols including fuel addi-
tives regularly, and have problems
starting or the engine does not run
smoothly, adding one bottle of addi-
tives to the fuel tank is recommended
according to the maintenance sched-
ule (refer to chapter 7, “Normal
Maintenance Schedule”).
Additives are available from your
authorised HYUNDAI dealer along
with information on how to use them.
Do not mix other additives.
NOTICE

2-3
Safety system of your vehicle
NEVER let the use of a mobile
device distract you from driving.
You have a responsibility to your
passengers and others on the road
to always drive safely, with your
hands on the wheel as well as your
eyes and attention on the road.
Control your speed
Excessive speed is a major factor in
crash injuries and deaths. Generally,
the higher the speed, the greater the
risk, but serious injuries can also
occur at lower speeds. Never drive
faster than is safe for current condi-
tions, regardless of the maximum
speed posted.
Keep your vehicle in a safe con-
dition
Having a tyre blowout or a mechanical
failure can be extremely hazardous. To
reduce the possibility of such prob-
lems, check your tyre pressures and
condition frequently, and perform all
regularly scheduled maintenance.
2

3-112
Convenient features of your vehicle
Air conditioning system operation
tips
If the vehicle has been parked in
direct sunlight during hot weather,
open the windows for a short time
to let the hot air inside the vehicle
escape.

achieved, switch back from the
recirculated air to the fresh outside
air position.
To help reduce moisture inside of
the windows on rainy or humid
days, decrease the humidity inside
the vehicle by operating the air
conditioning system with the win-
dows and sunroof closed.
Use the air conditioning system
every month for a few minutes to
ensure maximum system perform-
ance.
If you operate the air conditioner
excessively, the difference between
the temperature of the outside air
and that of the windscreen could
cause the outer surface of the wind-
screen to fog up, causing loss of vis-
ibility. In this case, set the mode
selection button to the position
and set the blower speed control
knob to the lowest speed setting.
System maintenance
Climate control air filter
This filter is installed behind the
glove box. It filters the dust or other
pollutants that enter the vehicle
through the heating and air condi-
tioning system.
We recommend that the climate con-
trol air filter be replaced by an autho-
rised HYUNDAI dealer according to
the maintenance schedule. If the
vehicle is being driven in severe con-
ditions such as dusty or rough roads,
more frequent climate control filter
inspections and changes are
required.If the air flow rate suddenly decreas-
es, we recommend the system be
checked at an authorised HYUNDAI
dealer.
It is important that the correct
type and amount of oil and refrig-
erant is used. Otherwise, damage
to the compressor and abnormal
system operation may occur.
NOTICE
1LDA5047
Outside air
Recirculated
air
Climate control
air filterBlower
Evaporator
coreHeater core

3-124
Convenient features of your vehicle

excessively, the difference between
the temperature of the outside air
and that of the windscreen could
cause the outer surface of the
windscreen to fog up, causing loss
of visibility. In this case, set the
mode selection button to the
position and set the blower speed
control knob to the lowest speed
setting.
System maintenance
Climate control air filter
This filter is installed behind the
glove box. It filters the dust or other
pollutants that enter the vehicle
through the heating and air condi-
tioning system.We recommend that the climate con-
trol air filter be replaced by an autho-
rised HYUNDAI dealer according to
the maintenance schedule. If the
vehicle is being driven in severe con-
ditions such as dusty or rough roads,
more frequent climate control filter
inspections and changes are
required.
If the air flow rate suddenly decreas-
es, we recommend the system be
checked at an authorised HYUNDAI
dealer.
1LDA5047
Outside air
Recirculated
air
Climate control
air filterBlower
Evaporator
coreHeater core

5-130
Driving your vehicle
Use wire chains less than 12 mm
wide to prevent damage to the
chain’s connection.
Winter Precautions
Use high quality ethylene glycol
coolant
Your vehicle is delivered with high
quality ethylene glycol coolant in the
cooling system. It is the only type of
coolant that should be used because
it helps prevent corrosion in the cool-
ing system, lubricates the water
pump and prevents freezing. Be sure
to replace or replenish your coolant
in accordance with the maintenance
schedule in chapter 7. Before winter,
have your coolant tested to assure
that its freezing point is sufficient for
the temperatures anticipated during
the winter.
Check battery and cables
Winter temperatures affect battery
performance.Inspect the battery
and cables, as specified in the
chapter 7.The battery charging level
can be checked by an authorised
HYUNDAI dealer or in a service sta-
tion.Change to "winter weight" oil if
necessary
In some regions during winter, it is
recommended to use the "winter
weight" oil with lower viscosity. For
further information, refer to chapter
8. When you are not sure about a
type of winter weight oil, consult an
authorised HYUNDAI dealer.
Check spark plugs and ignition
system
Inspect the spark plugs, as speci-
fied in chapter 7.If necessary,
replace them. Also check all ignition
wirings and components for any
cracks, wear-out, and damage.
To prevent locks from freezing
To prevent the locks from being
frozen, spray approved de-icing fluid
or glycerin into key holes. When a
lock opening is already covered with
ice, spray approved de-icing fluid
over the ice to remove it. When an
internal part of a lock freezes, try to
thaw it with a heated key. Carefully
use the heated key to avoid an injury.

7
Maintenance
7
Maintenance
Engine compartment .............................................7-3
Maintenance services ...........................................7-5
Owner's responsibility ......................................................7-5
Owner maintenance precautions ..................................7-5
Owner maintenance ...............................................7-6
Owner maintenance schedule ........................................7-7
Scheduled maintenance services.........................7-9
Normal Maintenance Schedule
(Petrol Engine [1.6 T-GDI]) ..........................................7-10
Maintenance Under Severe Usage and
Low Mileage Conditions
(Petrol Engine [1.6 T-GDI]) ..........................................7-13
Normal Maintenance Schedule
(Petrol Engine [2.0 GDI])...............................................7-15
Maintenance Under Severe Usage and
Low Mileage Conditions
(Petrol Engine [2.0 GDI])...............................................7-18
Normal Maintenance Schedule (Diesel Engine) ......7-20
Maintenance Under Severe Usage and
Low Mileage Conditions (Diesel Engine) ...................7-23
Explanation of scheduled maintenance items .7-25
Engine oil ..............................................................7-28
Checking the engine oil level (Petrol engine) ..........7-28
Checking the engine oil level (Diesel Engine)..........7-29
Checking the engine oil and filter ..............................7-30
Engine coolant......................................................7-31
Checking the engine coolant level..............................7-31
Changing the engine coolant .......................................7-33
Brake/clutch fluid ................................................7-34
Checking the brake/clutch fluid level ........................7-34
Washer fluid .........................................................7-35
Checking the washer fluid level ..................................7-35
Parking brake .......................................................7-35
Checking the parking brake .........................................7-35
Fuel filter (For Diesel) ........................................7-36
Draining water from fuel filter ....................................7-36
Fuel filter cartridge replacement ................................7-36
Air cleaner ............................................................7-36
Filter replacement ...........................................................7-36
Climate control air filter .....................................7-38
Filter inspection ...............................................................7-38
Filter replacement ...........................................................7-38
Wiper blades .........................................................7-39
Blade inspection ..............................................................7-39
Blade replacement ..........................................................7-40
Battery...................................................................7-43
For best battery service................................................7-44
Battery capacity label ...................................................7-44
Battery recharging .........................................................7-44
Reset items .......................................................................7-46
7

7-5
7
Maintenance
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You should exercise the utmost care
to prevent damage to your vehicle
and injury to yourself whenever per-
forming any maintenance or inspec-
tion procedures.
We recommend you have your vehi-
cle maintained and repaired by an
authorised HYUNDAI dealer. An
authorised HYUNDAI dealer meets
HYUNDAI’s high service quality stan-
dards and receives technical support
from HYUNDAI in order to provide
you with a high level of service satis-
faction.
Owner’s responsibility
Maintenance service and record reten-
tion are the owner’s responsibility.
You should retain documents that show
proper maintenance has been per-
formed on your vehicle in accordance
with the scheduled maintenance serv-
ice charts shown on the following
pages. You need this information to
establish your compliance with the
servicing and maintenance require-
ments of your vehicle warranties.Detailed warranty information is pro-
vided in your Service Passport.
Repairs and adjustments required as
a result of improper maintenance or
a lack of required maintenance are
not covered.
Owner maintenance precautions
Inadequate, incomplete or insufficient
servicing may result in operational
problems with your vehicle that could
lead to vehicle damage, an accident,
or personal injury. This chapter pro-
vides instructions only for the mainte-
nance items that are easy to perform.
Several procedures can be done only
by an authorised HYUNDAI dealer
with special tools.
Your vehicle should not be modified in
any way. Such modifications may
adversely affect the performance,
safety or durability of your vehicle and
may, in addition, violate conditions of
the limited warranties covering the
vehicle.Improper owner maintenance dur-
ing the warranty period may affect
warranty coverage. For details, read
the separate Service Passport pro-
vided with the vehicle. If you're
unsure about any servicing or main-
tenance procedure, we recommend
that the system be serviced by an
authorised HYUNDAI dealer.
NOTICE

7-7
7
Maintenance
Owner maintenance schedule
When you stop for fuel:
Check the engine oil level.
Check the coolant level in the
engine coolant reservoir.
Check the windscreen washer fluid
level.
Check for low or under-inflated
tyres.
Whilst operating your vehicle:
Note any changes in the sound of
the exhaust or any smell of exhaust
fumes in the vehicle.
Check for vibrations in the steering
wheel. Notice if there is any
increased steering effort or loose-
ness in the steering wheel, or
change in its straight-ahead position.
Notice if your vehicle constantly turns
slightly or “pulls” to one side when
travelling on smooth, level road.
When stopping, listen and check for
unusual sounds, pulling to one side,
increased brake pedal travel or
“hard-to-push” brake pedal.
If any slipping or changes in the
operation of your transmissiom
occurs, check the transmissiom fluid
level.
Check the automatic transmission/
dual clutch transmission P (Park)
function.
Check the parking brake.
Check for fluid leaks under your
vehicle (water dripping from the air
conditioning system during or after
use is normal). Be careful when checking your
engine coolant level when the
engine is hot. This may result in
coolant being blown out of the
opening and cause serious
burns and other injuries.
WARNING
Diesel Engine
Never manipulate or modify the
injection system whilst running
the diesel engine or within 30
seconds after turning OFF the
diesel engine. The high-pressure
pump, high-pressure pipes, rail,
and injectors are still subject to
high pressure immediately after
stopping the diesel engine.
When the fuel leakage vents out,
it may cause serious body injury.
Any people, who are implanted
with the artificial cardiac pace-
maker, should remain away from
the ECU or the wiring harness by
at least 30 cm, whilst running the
diesel engine. The high currents
of the electronic engine control
system produce a considerable
amount of magnetic fields.
WARNING