2020 Hyundai Ioniq Hybrid fuel

7-10
Maintenance
Normal maintenance schedule
Number of months or driving distance, whichever comes first
Months1224364860728496
Km×1,000153045607590105120
Spark plugs *4Replace every 150,000 km or 120 months
Vapour hose and fuel filler capII
Fuel tank air filterII
Vacuum hoseIIIIIIII
Fuel filter *5RR
Fuel lines, hoses and connectionsII
HSG (Hybrid Starter & Generator) belt *6Inspect every 15,000 km or 12 months,
and replace every 105,000km or 48 months
MAINTENANCE
INTERVALS
MAINTENANCE
ITEM
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
*
4: For your convenience, it can be replaced prior to it's interval when you do maintenance of other items.
*5: The fuel filter is considered to be maintenance free but periodic inspection is recommended for this maintenance schedule
depends on fuel quality. If there are some important matters like fuel flow restriction, surging, loss of power, hard starting prob-
lem etc, we recommend replacing the fuel filter immediately regardless of maintenance schedule and consulting with an autho-
rised HYUNDAI dealer for details.
*
6: Inspect HSG belt for evidence of cuts, crocks, excessive wear or oil saturation and replace if necessary.
If drive belt noise occurred, readjust drive belt tension before replace.

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7
Maintenance
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Engine oil and filter
The engine oil and filter should be
changed at the intervals specified in
the maintenance schedule. If the
vehicle is being driven in severe con-
ditions, more frequent oil and filter
changes are required.
HSG (Hybrid starter & genera-
tor) belt
The HSG belt should be changed at
the intervals specified in the mainte-
nance schedule.
Fuel lines, fuel hoses and con-
nections
Check the fuel lines, fuel hoses and
connections for leakage and dam-
age. We recommend an authorised
HYUNDAI dealer replace any dam-
aged or leaking parts immediately.
Fuel filter
A clogged filter can limit the speed at
which the vehicle may be driven,
damage the emission system and
cause multiple issues such as hard
starting. If an excessive amount of
foreign matter accumulates in the
fuel tank, the filter may require
replacement more frequently. After
installing a new filter, run the engine
for several minutes, and check for
leaks at the connections. Fuel filters
should be installed by an authorised
HYUNDAI dealer.
Vapour hose and fuel filler cap
The vapour hose and fuel filler cap
should be inspected at those inter-
vals specified in the maintenance
schedule. Make sure a new vapour
hose or fuel filler cap is correctly
replaced.
Air cleaner filter
A genuine HYUNDAI air cleaner filter
is recommended when the filter is
replaced.
Spark plugs
Make sure to install new spark plugs
of the correct heat range.
Cooling system
Check cooling system components,
such as radiator, coolant reservoir,
hoses and connections for leakage
and damage. Replace any damaged
parts.
Engine coolant/inverter
coolant
The coolant should be changed at
the intervals specified in the mainte-
nance schedule.

7-36
Maintenance
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Tyre care
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 rec-
ommended for your vehicle. (Continued)Replace tyres that are worn,
show uneven wear, or are dam-
aged. Worn tyres can cause
loss of braking effectiveness,
steering control, or traction.
ALWAYS replace tyres with
the same size as each tyre
that was originally supplied
with this vehicle. Using tyres
and wheels other than the rec-
ommended sizes could cause
unusual handling characteris-
tics, poor vehicle control, or
negatively affect your vehi-
cle’s Anti-Lock Brake System
(ABS) resulting in a serious
accident.
Tyre failure may cause loss of
vehicle control resulting in an
accident. To reduce risk of
SERIOUS INJURY or DEATH,
take the following precautions:
Inspect your tyres monthly for
proper inflation as well as
wear and damage.
The recommended cold tyre
pressure 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 pres-
sure. Tyres with too much or
too little pressure wear
unevenly causing poor han-
dling.
Check the pressure of the
spare every time you check
the pressure of the other tyres
on your vehicle.
(Continued)
WARNING

7-38
Maintenance
Check tyre inflation pressure
Check your tyres, including the spare
tyre, once a month or more.
How to check
Use a good quality tyre pressure
gauge to check tyre pressure. You
can not tell if your tyres are properly
inflated simply by looking at them.
Radial tyres may look properly inflat-
ed 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 pres-
sure measurement. If the cold tyre
inflation pressure matches the rec-
ommended pressure on the tyre and
loading information label, no further
adjustment is necessary. If the pres-
sure 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.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.
Under-inflation results in
excessive wear, poor handling
and reduced fuel economy.
Wheel deformation is also
possible. Keep your tyre pres-
sures at the proper levels. If a
tyre frequently needs refilling,
we recommend it be checked
by an authorised HYUNDAI
dealer.
Over-inflation produces a
harsh ride, excessive wear at
the centre of the tyre tread,
and a greater possibility of
damage from road hazards.
CAUTION

7-53
7
Maintenance
Fuse NameSymbolFuse RatingCircuit Protected
Module 2MODULE210AE/R Junction Block, Wireless Charger Unit, BCM, USB Charging Connector, Smart Key
Control Module, Audio, A/V & Navigation Head Unit, Power Outside Mirror Switch, AMP
Button Start 337.5AImmobiliser Module, Smart Key Control Module
Memory 1MEMORY110AWireless Charger Unit, Instrument Cluster, Driver Ims Module, Rain Sensor, BCM,
A/C Control Module, Auto Light & Photo Sensor, Driver Door Module,
Passenger Door Module, ICM Relay Box (Outside Mirror Folding/Unfolding Relay)
Multi MediaMULTI
MEDIA10AAudio, A/V & Navigation Head Unit
Electric Water
PumpEWP10AElectric Water Pump (HEV)
Electric
Power Steering 117.5AEPS Unit
Tailgate10ATail Gate Relay, Fuel Filler Switch, Fuel Filler Actuator
Button Start 1115ASmart Key Control Module
Module 7MODULE77.5AFront Seat Warmer Control Module, Front Air Ventilation Seat Control Module,
Rear Seat Warmer Module
Heated Steering15ABCM
Sunroof20ASunroof Motor
Power Window
Right-handRH25APower Window (RH) Relay, Power Window Main Switch, Passenger Power Window Switch
(LHD), Rear Power Window Switch (RH), Driver Safety Power Window Module (LHD),
Passenger Power Window Switch (RHD)
Instrument panel fuse panel

7-60
Maintenance
TypeSymbolFuse RatingCircuit Protected
Fuse
S310AFuel Pump Relay, Camshaft Position Sensor #1 (Intake), Camshaft Position Sensor #2
(Exhaust), Oil Control Valve #1 (Intake), Oil Control Valve #2 (Exhaust)
BATTERY
C/FAN15AEngine compartment Junction Block
FUEL
PUMP20AFuel Pump Relay
20AHorn Relay
Engine compartment fuse panel

7-75
7
Maintenance
Finish damage repair
Deep scratches or stone chips in the
painted surface must be repaired
promptly. Exposed metal will quickly
rust and may develop into a major
repair expense.
If your vehicle is damaged and
requires any metal repair or
replacement, be sure the body
shop applies anti-corrosion mate-
rials to the parts repaired or
replaced.
Matte paint finish vehicle
In case of matte paint finish vehi-
cles, it is impossible to modify only
the damaged area and repair of the
whole part is necessary. If the vehi-
cle is damaged and painting is
required, we recommend that you
have your vehicle maintained and
repaired by an authorised
HYUNDAI dealer. Take extreme
care, as it is difficult to restore the
quality after the repair.
Bright-metal maintenance
To remove road tar and insects,
use a tar remover, not a scraper or
other sharp object.
To protect the surfaces of bright-
metal parts from corrosion, apply a
coating of wax or chrome preser-
vative and rub to a high luster.
During winter weather or in coastal
areas, cover the bright metal parts
with a heavier coating of wax or
preservative. If necessary, coat the
parts with non-corrosive petroleum
jelly or other protective compound.
Underbody maintenance
Corrosive materials used for ice and
snow removal and dust control may
collect on the underbody. If these
materials are not removed, acceler-
ated rusting can occur on underbody
parts such as the fuel lines, frame,
floor pan and exhaust system, even
though they have been treated with
rust protection.
Thoroughly flush the vehicle under-
body and wheel openings with luke-
warm or cold water once a month,
after off-road driving and at the end
of each winter. Pay special attention
to these areas because it is difficult
to see all the mud and dirt. It will do
more harm than good to wet down
the road grime without removing it.
The lower edges of doors, rocker
panels, and frame members have
drain holes that should not be
allowed to clog with dirt; trapped
water in these areas can cause rust-
ing.
NOTICE
NOTICE

7-81
7
Maintenance
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The emission control system of your
vehicle is covered by a written limited
warranty. Please see the warranty
information contained in the Service
Passport in your vehicle.
Your vehicle is equipped with an
emission control system to meet all
Australian Design Rules (ADR)
requirements.
There are three emission control
systems which are as follows.
(1) Crankcase emission control sys-
tem
(2) Evaporative emission control sys-
tem
(3) Exhaust emission control system
In order to ensure the proper func-
tion of the emission control systems,
it is recommended that you have
your vehicle inspected and main-
tained by an authorised HYUNDAI
dealer in accordance with the main-
tenance schedule in this manual.For the Inspection and Maintenance
Test (with Electronic Stability
Control (ESC) system)
To prevent the vehicle from mis-
firing during dynamometer test-
ing, turn the Electronic Stability
Control (ESC) system off by
pressing the ESC switch (ESC
OFF light illuminated).
After dynamometer testing is
completed, turn the ESC system
back on by pressing the ESC
switch again.1. Crankcase emission control
system
The positive crankcase ventilation
system is employed to prevent air
pollution caused by blow-by gases
being emitted from the crankcase.
This system supplies fresh filtered air
to the crankcase through the air
intake hose. Inside the crankcase,
the fresh air mixes with blow-by
gases, which then pass through the
PCV valve into the induction system.
2. Evaporative emission control
system
The Evaporative Emission Control
System is designed to prevent fuel
vapours from escaping into the
atmosphere.
NOTICE