fuel type HYUNDAI I20 2021 Owners Manual

1-6
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 vapor lock or hard starting.
CAUTION
Your New Vehicle Limited Warranty
may not cover damage to the
fuel system and any performance
problems that are caused by the use
of fuels containing methanol or fuels
containing 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 / AKI (Anti-Knock Index) 87
or higher.
For customers who do not use good
quality petrols including fuel additives
regularly, and have problems starting or
the engine does not run smoothly, one
bottle of additives added to the fuel tank
at every 10,000 km.
Additives are available from your
authorized HYUNDAI dealer along with
information on how to use them. Do not
mix other additives.
Operation in foreign countries
If you are going to drive your vehicle in
another country, be sure to:
• Observe all regulations regarding
registration and insurance.
• Determine that acceptable fuel is
available.

1-7
01
Diesel engine
Diesel fuel
Diesel engine must be operated only on
commercially available diesel fuel that
complies with EN 590 or comparable
standard. (EN stands for “European
Norm”). Do not use marine diesel fuel,
heating oils, or non-approved fuel
additives, as this will increase wear and
cause damage to the engine and fuel
system. The use of non-approved fuels
and / or fuel additives will result in a
limitation of your warranty rights.
Diesel fuel of above cetane 51 is used
in your vehicle. If two types of diesel
fuel are available, use summer or winter
fuel properly according to the following
temperature conditions.
• Above -5°C (23°F) ... Summer type
diesel fuel.
• Below -5°C (23°F) ... Winter type diesel
fuel.
Watch the fuel level in the tank very
carefully : If the engine stop s through
fuel failure, the circuits must be
completely purged to permit restarting.
CAUTION
Do not let any petrol or water enter the
tank. This would make it necessary to
drain it out and to bleed the lines to
avoid jamming the injection pump and
damaging the engine.
CAUTION
Diesel Fuel (if equipped with DPF)
It is recommended to use the regulated
automotive diesel fuel for diesel vehicle
equipped with the DPF system.
If you use diesel fuel including high
sulfur (more than 50 ppm sulfur) and
unspecified additives, it can cause the
DPF system to be damaged and white
smoke can be emitted.
Biodiesel
Commercially supplied Diesel blends of
no more than 7% biodiesel, commonly
known as “B7 Diesel” may be used
in your vehicle if Biodiesel meets EN
14214 or equivalent specifications. (EN
stands for “European Norm”). The use
of biofuels exceeding 7% made from
rapeseed methyl ester (RME), fatty
acid methyl ester (FAME), vegetable oil
methyl ester (VME) etc. or mixing diesel
exceeding 7% with biodiesel will cause
increased wear or damage to the engine
and fuel system. Repair or replacement
of worn or damaged components due to
the use of non approved fuels will not be
covered by the manufactures warranty.
CAUTION
• Never use any fuel, whether diesel,
B7 biodiesel or otherwise, that fails
to meet the latest petroleum industry
specification.
• Never use any fuel additives
or treatments that are not
recommended or approved by the
vehicle manufacturer.

5-2
Instrument cluster
INSTRUMENT CLUSTER
1. Tachometer
2. Speedometer
3. Fuel gauge
4. Temperature gauges
5. Warning and light indicators
 The actual cluster in the vehicle may differ from the illustration.
For more details, refer to the “Gauges” in this chapter.
„„Type AType A
„„Type BType B
OBI3040014/OBI3040001OBI3040014/OBI3040001

5-5
05
The tachometer indicates the
approximate number of engine
revolutions per minute (rpm).
Use the tachometer to select the correct
shift points and to prevent lugging and/
or over-revving the engine.
NOTICE
Do not operate the engine within the
tachometer’s RED ZONE. This may
cause severe engine damage.
Fuel Gauge
OIB044114OIB044114
„„Type AType A
„„Type BType B
OBI3040005OBI3040005
This gauge indicates the approximate
amount of fuel remaining in the fuel
tank.
i Information
• The fuel tank capacity is given in
chapter 2.
• The fuel gauge is supplemented by
a low fuel warning light, which will
illuminate when the fuel tank is nearly
empty.
• On inclines or curves, the fuel gauge
pointer may fluctuate or the low fuel
warning light may come on earlier than
usual due to the movement of fuel in the
tank.
WARNING
Running out of fuel can expose vehicle
occupants to danger.
You must stop and obtain additional
fuel as soon as possible after the
warning light comes on or when the
gauge indicator comes close to the “E
(Empty)” level.
NOTICE
Avoid driving with a very low fuel
level. Running out of fuel could cause
the engine to misfire damaging the
catalytic converter.

5-8
Instrument cluster
Intelligent Variable Transmission
Shift Indicator (if equipped)
OIB044118OIB044118
„„ Type A Type A
OIB044115OIB044115
„„Type BType B
This indicator displays which
continuously variable transmission shift
lever is selected.
• Park : P
• Reverse : R
• Neutral : N
• Drive : D
• Sports Mode : 1, 2, 3, 5, 6, 7, 8
Manual Transmission Shift Indicator
(if equipped)
OIB044152OIB044152
„„ Type A Type A
OIB044151OIB044151
„„Type BType B
This indicator informs which gear is
recommended while driving, to save
fuel.
• Shifting up : 2, 3,
%4,
%5,
%6
• Shifting down :
'1,
'2,
'3,
'4,
'5
For example
: Indicates that shifting up to the 3rd
gear is recommended (currently the
shift lever is in the 2nd or 1st gear).
: Indicates that shifting down to the
3rd gear is recommended (currently
the shift lever is in the 4th, 5th, or
6th gear).
When the system is not working
properly, the indicator is not displayed.

5-30
Instrument cluster
Cluster type A
Tripmeter/Trip computer
OBI3040011OBI3040011
„„Type AType A
„„Type BType B
The trip computer is a microcomputer-
controlled driver information system that
displays information related to driving,
when the ignition switch is in the ON
position. All stored driving information
(except odometer & Trip A & B) resets if
the battery is disconnected.Press the trip mode/reset button for less
than 1 second to select any mode as
follows:
* if equipped* if equipped
Tripmeter A
Tripmeter B
Distance to empty*
Average fuel consumption*
Instant fuel consumption*
Average speed*
Elapsed time*
Service Reminder*
TRIP COMPUTER

5-31
05
OQXI049117OQXI049117
„„ Type A Type A
OQXI049118OQXI049118
„„ Type B Type B
Tripmeter (km or mi.)
A : Tripmeter A
B : Tripmeter B
This mode indicates the distance of
individual trips selected since the last
tripmeter reset.
The meter’s working range is from 0.0
to 9999.9 km. (0.0 to 9999.9 miles).
Pressing the trip mode/reset button for
more than 1 second, when the tripmeter
is being displayed, clears the tripmeter
to zero (0.0).
OQXI049119OQXI049119
Distance to empty (if equipped)
(km or mi.)
This mode indicates the estimated
distance to empty based on the current
fuel in the fuel tank and the amount of
fuel delivered to the engine. When the
remaining distance is below 50 km (30
miles), “---” will be displayed.
The meter’s working range is from 50 to
999 km (30 to 615 miles).

5-35
05
Cluster type B
The trip computer is a microcomputer-
controlled driver information system that
displays information related to driving.
i Information
Some driving information stored in the
trip computer (for example Average
Vehicle Speed) resets if the battery is
disconnected.
Trip modes
Fuel Economy
• Average Fuel Economy
• Instant Fuel Economy

Accumulated Info
• Tripmeter
• Average Fuel Economy
• Timer

Drive Info
• Tripmeter
• Average Fuel Economy
• Timer

5-36
Instrument cluster
„„Type AType A
OBI3040019OBI3040019
„„Type BType B
To change the trip mode, toggle the
“
, ” switch on the steering wheel.
Fuel economy
OAC3069039TUOAC3069039TU
Average Fuel Economy (1)
• The average fuel economy is
calculated by the total driving distance
and fuel consumption since the last
average fuel economy reset.
• The average fuel economy can be
reset both manually and automatically.Manual reset
To clear the average fuel economy
manually, press the [OK] button on the
steering wheel for more than 1 second
when the average fuel economy is
displayed.
Automatic reset
To automatically reset the average fuel
economy after refueling, select the “Fuel
Econ. Reset” mode in the User Settings
menu on the LCD display.
- After ignition: The average fuel
economy will reset automatically
whenever it has passed 4 hours after
turning OFF the engine.
- After refueling: The average fuel
economy will reset automatically
when driving speed exceeds 1 km/h,
after adding 6 liters (1.6 gallons) of fuel
or more.
i Information
The average fuel economy may be
inaccurate, when the vehicle drives
shorter than 300 meters (0.19 miles) after
turning ON the Engine Start/Stop button.
Instant Fuel Economy (2)
• This mode displays the instant fuel
economy during the last few seconds
when the vehicle speed is more than
10 km/h (6.2 mph).

6-12
Convenient features
Battery replacement
OLF044008OLF044008
If the Smart Key is not working properly,
try replacing the battery with a new one.
Battery Type: CR2032
To replace the battery:
1. Pry open the rear cover of the smart
key.
2. Remove the old battery and insert the
new battery. Make sure the battery
position is correct.
3. Reinstall the rear cover of the smart
key.
If you suspect your smart key might
have sustained some damage, or you
feel your smart key is not working
correctly, it is recommended that you
contact an authorized HYUNDAI dealer.
i Information
An inappropriately disposed
battery can be harmful to the
environment and human
health. Dispose the battery
according to your local law(s)
and regulation.
Immobilizer system
The immobilizer system protects your
vehicle from theft. If an improperly
coded key (or other device) is used, the
engine’s fuel system is disabled.
When the ignition switch is placed in
the ON position, the immobilizer system
indicator should come on briefly, then
go off. If the indicator starts to blink, the
system does not recognize the coding of
the key.
Place the ignition switch to the LOCK/
OFF position, then place the ignition
switch to the ON position again.
The system may not recognize your
key’s coding if another immobilizer key
or other metal object (i.e., key chain) is
near the key. The engine may not start
because the metal may interrupt the
transponder signal from transmitting
normally.
If the system repeatedly does not
recognize the coding of the key, it is
recommended that you contact your
HYUNDAI dealer.
Do not attempt to alter this system
or add other devices to it. Electrical
problems could result that may make
your vehicle inoperable.