lock HYUNDAI I20 2021 Owners Manual

10-20
Maintenance
NORMAL MAINTENANCE SCHEDULE - DIESEL ENGINE (CONT.)
MAINTENANCE
INTERVALS
MAINTENANCE ITEMNumber of months or driving distance, whichever comes first
Kmsx1,000
1.51020304050607080
Months
2 1224364860728496
Years
- 12345678
Tyre Pressure,condition & rotation - I,TR I,TR I,TR I,TR I,TR I,TR I,TR I,TR
Fuel lines, hoses and connectionsIIIIIIIII
Driveshafts & bootsIIIIIIIII
Fluid leakages I IIIIIIII
Front and rear wheel bearings & bushes Inspect if reqd.
Parking brake (disc/drum ,shoe & operation) - C CCCCCCC
Wheel Alignment & Balancing - Inspect if reqd.
FINAL CHECKS
Bolt and nuts on chasis and body I I IIIIIII
Lubricate locks & hinges ILLLLLLLL
Check all electrical systems (Drive belts ,alterna-
tor)*
9
IIIIIIIII
Warning lights operation & GDS system check I IIIIIIII
Ext & int. lights, horn & gaugesIIIIIIIII
C : Clean and Replace if necessary
TR : Tyre Rotation L : Lubraicate I : Inspect and if necessary adjust,top-up, clean or replace
R : Replace

10-24
Maintenance
Engine oil and filter
The engine oil and filter should be
changed at the intervals specified in
the maintenance schedule. If the car
is being driven in severe conditions,
more frequent oil and filter changes are
required.
Drive belts
Inspect all drive belts for evidence
of cuts, cracks, excessive wear or oil
saturation and replace if necessary.
Drive belts should be checked
periodically for proper tension and
adjusted as necessary.
NOTICE
When you are inspecting the belt, place
the ignition switch in the LOCK/OFF or
ACC position.
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.
We recommend that the fuel filter be
replaced by an authoized HYUNDAI
dealer.
Fuel lines, fuel hoses and
connections
Check the fuel lines, fuel hoses and
connections for leakage and damage.
We recommend that the fuel lines, fuel
hoses and connections be replaced by
an authoized HYUNDAI dealer.
WARNING
Diesel Engine
Never manipulate or modify the
injection system while 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 pacemaker, should
remain away from the ECU or the
wiring harness by at least 30 cm,
while running the diesel engine. The
high currents of the electronic engine
control system produce a considerable
amount of magnetic fields.
Vapor hose and fuel filler cap
The vapor hose and fuel filler cap should
be inspected at those intervals specified
in the maintenance schedule. Make sure
that a new vapor hose or fuel filler cap is
correctly replaced.
EXPLANATION OF SCHEDULED MAINTENANCE ITEMS

10-33
10
OBI3090009OBI3090009
„„Petrol Engine (1.0 T-GDi)Petrol Engine (1.0 T-GDi)
OBC3090006OBC3090006
„„Petrol Engine (Smartstream G1.2)Petrol Engine (Smartstream G1.2)
WARNING
Removing radiator cap
• Never attempt to remove the radiator
cap while the engine is operating or
hot. Doing so might lead to cooling
system and engine damage and could
result in serious personal injury from
escaping hot coolant or steam.• Turn the engine off and wait until it
cools down. Use extreme care when
removing the radiator cap. Wrap
a thick towel around it, and turn it
counterclockwise slowly to the first
stop. Step back while the pressure
is released from the cooling system.
When you are sure all the pressure
has been released, press down on the
cap, using a thick towel, and continue
turning counterclockwise to remove
it.
• Even if the engine is not operating,
do not remove the radiator cap
or the drain plug while the engine
and radiator are hot. Hot coolant
and steam may still blow out under
pressure, causing serious injury.
WARNING
The electric motor (cooling
fan) is controlled by engine
coolant temperature,
refrigerant pressure and
vehicle speed. It may
sometimes operate even when the
engine is not running. Use extreme
caution when working near the blades
of the cooling fan so that you are not
injured by a rotating fan blades. As the
engine coolant temperature decreases,
the electric motor will automatically
shut off. This is a normal condition.

10-41
10
AIR CLEANER
Filter replacement
OBC3090018OBC3090018
The air cleaner filter can be cleaned for
inspection using compressed air.
Do not attempt to wash or to rinse it, as
water will damage the filter.
If soiled, the air cleaner filter must be
replaced.
OBC3090019OBC3090019
OBC3090020OBC3090020
1. Loosen the air cleaner cover attaching
clips and open the cover.
2. Wipe the inside of the air cleaner.
3. Replace the air cleaner filter.
4. Lock the cover with the cover
attaching clips.
5. Check that the cover is firmly
installed.

10-46
Maintenance
Front windshield wiper blade
OLMB073020OLMB073020

1. Raise the wiper arm and turn the wiper
blade assembly to expose the plastic
locking clip.
NOTICE
Do not allow the wiper arm to fall
against the windshield, since it may
chip or crack the windshield.
OLMB073021OLMB073021
OLMB073022OLMB073022
2. Compress the clip and slide the blade
assembly downward.
3. Lift it off the arm.
4. Install the blade assembly in the
reverse order of removal.

10-56
Maintenance
Tire replacement
OEN076053OEN076053
Tread wear indicatorTread wear indicator
If the tire 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 inch) of tread left
on the tire. Replace the tire when this
happens.
Do not wait for the band to appear
across the entire tread before replacing
the tire.
NOTICE
When replacing the tires, recheck and
tighten the wheel nuts after driving
about 1,000 km (620 miles). If the
steering wheel shakes or the vehicle
vibrates while driving, the tire is out of
balance. Align the tire balance. If the
problem is not solved, we recommend
that you contact an authorized
HYUNDAI dealer.
WARNING
Replacing tires
To reduce the chance or serious or fatal
injuries from an accident caused by tire
failure or loss of vehicle control:
• Replace tires that are worn, show
uneven wear, or are damaged.
Worn tires can cause loss of braking
effectiveness, steering control, and
traction.
• Do not drive your vehicle with too
little or too much pressure in your
tires. This can lead to uneven wear
and tire failure.
• When replacing tires, never mix
radial and bias-ply tires on the
same car. You must replace all tires
(including the spare) if moving from
radial to bias-ply tires.
• It is best to replace all four tires at the
same time. If that is not possible, or
necessary, then replace the two front
or two rear tires as a pair. Replacing
just one tire can seriously affect your
vehicle’s handling.
• Using tires and wheel other than the
recommended sizes could cause
unusual handling characteristics and
poor vehicle control, resulting in a
serious accident.
• Wheels that do not meet HYUNDAI’s
specifications may fit poorly and
result in damage to the vehicle or
unusual handling and poor vehicle
control.
• The works by comparing the speed of
the wheels. Tire size can affect wheel
speed. When replacing tires, all 4
tires must use the same size originally
supplied with the vehicle. Using tires
of a different size can cause the ABS
(Anti-lock Brake System) and ESC
(Electronic Stability Control) to work
irregularly. (if equipped)

10-68
Maintenance
Fuse NameSymbolFuse
ratingCircuit Protected
A/C 37.5A MTC,FATC,ECU
DOOR LOCK
20A DOOR ACTUATOR
MODULE 5
10AAT_LEVER_IND, HLLD, ‘SEAT_EXTN_DRV, ‘AUDIO, AMP,
‘MTC/FATC, ECM_MIRR, ‘WIRELESS CHARGER
ABS 3
10A ABS (ANTI-LOCK BRAKE SYSTEM)
BRAKE
SWITCH
7.5A STOP SWITCH
START1
7.5A START RLY
CLUSTER
10A CLUSTER
MODULE 4
10A C_PAD_SW(ESC SW)
IBU 2
15A IBU (INTEGRATED BODY CONTROL UNIT)
ACC 1
10AAMP, O_S_MIRR_SW, AUDIO/AVN, IBU(BCM), VDMS,
REAR USB, USB_CHARGER
MODULE 7
10A MULTI FUNCTION SWITCH
WASHER
15A M/F (WASHER PWR)
MODULE 6
7.5A IBU
Inner Compartment Fuse Panel (ICU)

10-71
10
Engine Compartment Fuse Panel (1.0 T-GDi)
Fuse Name SymbolFuse
RatingCircuit Protected
ALT150A Alternator, Multi Fuse - F3, Fuse - F32/F33/F34/F35
MDPS
80A MDPS Unit
DCT1
40A TCU
E-CLUTCH1
40A Electronic Clutch Module
DCT2
40A TCU
ECU1
30A E/R Junction Block (RLY.1)
IG1
30A[With Smart Key] PDM Relay Box (IG1, ACC Relay)
[W/O Smart Key] Ignition Switch
FUEL PUMP
20A E/R Junction Block (RLY.6)
ECU3
15A ECU
ECU2
15A ECU
A/CON 1
10A E/R Junction Block (RLY.3)
DCT4
40A Smart Gear Actuator
BATT4
40AICU Junction Block
(Power Window Relay, Fuse - F3/F10/F11)
BATT1
50A ICU Junction Block (IPS1, IPS3, IPS5, IPS7, IPS8, IPS11)
BATT3
40AICU Junction Block (Fuse - F8/F21/F25/F29,
Long Term Load Latch Relay)
DCT3
15A TCU
E-CLUTCH2
15A Electronic Clutch Module
HORN
15A E/R Junction Block (RLY.11, RLY.12)

10-72
Maintenance
Engine Compartment Fuse Panel (1.0 T-GDi)
Fuse Name SymbolFuse
RatingCircuit Protected
BATT250A ICU Junction Block (IPS2, IPS4, IPS6, IPS9, IPS10)
IG2
40AE/R Junction Block (RLY.9).
[With Smart Key] PDM Relay Box (IG2 Relay)
[W/O Smart Key] Ignition Switch
C/FAN
60A E/R Junction Block (RLY.2)
IGN COIL
20A Ignition Coil #1/#2/#3
ECU5
20A ECU
SENSOR 1
10AE/R Junction Block (RLY.2/3),
Oil Control Valve #1/#2 (Intake/Exhaust),
Purge Control Solenoid Valve
SENSOR 2
10A Oxygen Sensor (Up/Down)
RR DEFOG
40A ICU Junction Block (Rear Defogger Relay)
ABS 1
40A ABS/ESP Control Module
ABS 2
30A ABS/ESP Control Module
BLOWER
40A E/R Junction Block (RLY.10)
WIPER 2
10A E/R Junction Block (RLY. 5), Front Wiper Motor, IBU
SENSOR8
15A E/R Junction Block (RLY. 6)
SENSOR3
10A RCV Control Solenoid Valve
ECU6
15A ECU
WIPER 1
25A E/R Junction Block (RLY. 5), Front Wiper Motor

10-73
10
Engine Compartment Fuse Panel (Smartstream G1.2)
Fuse Name SymbolFuse
RatingCircuit Protected
ALT125A Alternator, Multi Fuse - F3, Fuse - F32/F33/F34/F35
MDPS
80A MDPS Unit
ECU1
30A E/R Junction Block (RLY.1)
IG1
30A[With Smart Key] PDM Relay Box (IG1, ACC Relay)
[W/O Smart Key] Ignition Switch
FUEL PUMP
20A E/R Junction Block (RLY.6)
ECU3
15A ECU/PCU
ECU2
15A ECU/PCU
A/CON 1
10A E/R Junction Block (RLY.3)
BATT4
40AICU Junction Block
(Power Window Relay, Fuse - F3/F10/F11)
BATT1
50A ICU Junction Block (IPS1, IPS3, IPS5, IPS7, IPS8, IPS11)
BATT3
40AICU Junction Block (Fuse - F8/F21/F25/F29,
Long Term Load Latch Relay)
HORN
15A E/R Junction Block (RLY.11, RLY.12)
BATT2
50A ICU Junction Block (IPS2, IPS4, IPS6, IPS9, IPS10)
IG2
40AE/R Junction Block (RLY.9).
[With Smart Key] PDM Relay Box (IG2 Relay)
[W/O Smart Key] Ignition Switch
C/FAN
40A E/R Junction Block (RLY.2)
IGN COIL
20A Ignition Coil #1/#2/#3/#4