engine coolant HYUNDAI I20 2023 User Guide

6-64
Driving your vehicle
Check spark plugs and ignition system
Inspect the spark plugs, as specified
in the chapter 9. 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.
Use approved window washer anti-
freeze solution in system
To prevent the window washer from
being frozen, add authorised window
washer anti-freeze solution, as specified
on the window washer container.
Window washer anti-freeze solution is
available from a HYUNDAI authorised
repairer, and most vehicle accessory
outlets. Do not use engine coolant or
other types of anti-freeze solution to
prevent any damage to the vehicle paint.
Do not let your parking brake freeze
Under some conditions your parking
brake can freeze in the engaged
position.
This is most likely to happen when
there is an accumulation of snow or
ice around or near the rear brakes or if
the brakes are wet. When there is the
risk that your parking brake may freeze,
temporarily apply it with the shift lever
in N (for Automatic Transmission/Dual
clutch transmission) or in the 1st gear or
reverse gear (for Manual transmission).
Also, block the rear wheels in advance,
so the vehicle may not roll. Then, release
the parking brake.Do not let ice and snow accumulate
underneath
Under some conditions, snow and ice
can build up under the fenders and
interfere with the steering. When driving
in such conditions during the severe
winter, you should check underneath
the vehicle on a regular basis, to ensure
that the front wheels and the steering
components is unblocked.
Carry emergency equipment
In accordance with weather conditions,
you should carry appropriate emergency
equipment, whilst driving. Some of the
items you may want to carry include tyre
chains, tow straps or chains, flashlight,
emergency flares, sand, shovel, jumper
cables, window scraper, gloves, ground
cloth, coveralls, blanket, etc.
Do not place objects or materials in the
engine compartment
Putting objects or materials in the
engine compartment may cause an
engine failure or combustion, because
they may block the engine cooling.
Such damage will not be covered by the
manufacturer’s warranty.

6-71
06
Driving on hills
Reduce speed and shift to a lower gear
before you start down a long or steep
downgrade. If you don’t shift down, you
might have to use your brakes so much
that they would get overheated and may
not operate efficiently.
On a long uphill grade, shift down and
reduce your speed to around 45 mph (70
km/h) to reduce the possibility of engine
and transmission overheating.
If your trailer weighs more than the
maximum trailer weight without trailer
brakes and you have an automatic
transmission/dual clutch transmission,
you should drive in D (Drive) when
towing a trailer. Operating your vehicle
in D (Drive) when towing a trailer will
minimise heat build-up and extend the
life of your transmission.
NOTICE
To prevent engine and/or transmission
overheating:

V When towing a trailer on steep
grades (in excess of 6%) pay close
attention to the engine coolant
temperature gauge to ensure the
engine does not overheat. If the
needle of the coolant temperature
gauge moves towards “H” (HOT),
pull over and stop as soon as it is
safe to do so, and allow the engine
to idle until it cools down. You may
proceed once the engine has cooled
sufficiently.

V You must decide your vehicle speed
according to the trailer weight and
uphill grade.
Parking on hills
Generally, if you have a trailer attached
to your vehicle, you should not park your
vehicle on a hill.
However, if you ever have to park your
trailer on a hill, here's how to do it:
1. Pull the vehicle into the parking space.
Turn the steering wheel in the
direction of the kerb (left if headed
down hill, right if headed up hill).
2. Shift the vehicle to P (Park, for
Automatic transmission/Dual clutch
transmission vehicle) or neutral (for
Manual transmission vehicle).
3. Set the parking brake and shut off the
vehicle.
4. Place wheel chocks under the trailer
wheels on the down hill side of the
wheels.
5. Start the vehicle, hold the brakes, shift
to neutral, release the parking brake
and slowly release the brakes until the
trailer chocks absorb the load.
6. Reapply the brakes and parking
brakes.
7. Move the shift lever to P (Park, for
Automatic transmission/Dual clutch
transmission vehicle) or the 1st gear
when the vehicle is parked on a uphill
grade and in R (Reverse) on a downhill
(for Manual transmission vehicle).
8. Shut off the vehicle and release the
vehicle brakes but leave the parking
brake set.
WARNING
To prevent serious or fatal injury:
Do not get out of the vehicle without
the parking brake firmly set. If you have
left the engine running, the vehicle can
move suddenly. You and others could
be seriously or fatally injured.

6-72
Driving your vehicle
Ready to leave after parking on a
hill
1. With the shift lever to P (Park, for
Automatic transmission/Dual clutch
transmission vehicle) or neutral (for
Manual transmission vehicle), apply
your brakes and hold the brake pedal
down whilst you:

V Start your engine;

V Shift into gear; and

V Release the parking brake.
2. Slowly remove your foot from the
brake pedal.
3. Drive slowly until the trailer is clear of
the chocks.
4. Stop and have someone pick up and
store the chocks.
Maintenance when towing a
trailer
Your vehicle will need service more
often when you regularly pull a trailer.
Important items to pay particular
attention to include engine oil,
automatic transmission/dual clutch
transmission fluid, axle lubricant and
cooling system fluid. Brake condition
is another important item to frequently
check. If you’re trailering, it’s a good
idea to review these items before
you start your trip. Don’t forget to
also maintain your trailer and towbar.
Follow the maintenance schedule that
accompanied your trailer and check it
periodically. Preferably, conduct the
check at the start of each day’s driving.
Most importantly, all towbar nuts and
bolts should be tight.
NOTICE
To prevent vehicle damage:

V Due to higher load during trailer
usage, overheating might occur on
hot days or during uphill driving. If
the coolant gauge indicates over-
heating, switch off the air conditioner
and stop the vehicle in a safe area to
cool down the engine.

V When towing check Automatic
transmission/Dual clutch
transmission fluid more frequently.

V If your vehicle is not equipped with
an air conditioner, you should install
a condenser fan to improve engine
performance when towing a trailer.

8-9
08
If your temperature gauge indicates
overheating, you experience a loss of
power, or hear loud pinging or knocking,
the engine may be overheating. If this
happens, you should:
1. Pull off the road and stop as soon as it
is safe to do so.
2. Place the shift lever in P (Park, for
automatic transmission/dual clutch
transmission vehicle) or neutral (for
manual transmission/dual clutch
transmission vehicle) and set the
parking brake. If the air conditioning is
ON, turn it OFF.
3. If engine coolant is running out under
the vehicle or steam is coming out
from the bonnet, stop the engine. Do
not open the bonnet until the coolant
has stopped running or the steaming
has stopped. If there is no visible
loss of engine coolant and no steam,
leave the engine running and check
to be sure the engine cooling fan is
operating. If the fan is not running,
turn the engine off.
WARNING
Whilst the engine is
running, keep hands,
clothing and tools away
from the moving parts such
as the cooling fan and drive
belt to prevent serious
injury.4. Check for coolant leaking from the
radiator, hoses or under the vehicle. (If
the air conditioning had been in use, it
is normal for cold water to be draining
from it when you stop.)
5. If engine coolant is leaking out, stop
the engine immediately and we
recommend that you call a HYUNDAI
authorised repairer for assistance.
WARNING
NEVER remove the radiator
cap or the drain plug whilst
the engine and radiator are
hot. Hot coolant and steam
may blow out under
pressure, causing serious injury.
Turn the engine off and wait until the
engine 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 whilst 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.
IF THE ENGINE OVERHEATS

8-10
Emergency situations
6. If you cannot find the cause of the
overheating, wait until the engine
temperature has returned to normal.
Then, if coolant has been lost,
carefully add coolant to the reservoir
to bring the fluid level in the reservoir
up to the halfway mark.
7. Proceed with caution, keeping alert
for further signs of overheating.
If overheating happens again, we
recommend that you call a HYUNDAI
authorised repairer for assistance.
NOTICE

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leak in the cooling system and we
recommend the system be checked
by a HYUNDAI authorised repairer.

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low engine coolant, suddenly adding
engine coolant may cause cracks
in the engine. To prevent damage,
add engine coolant slowly in small
quantities.

Engine compartment ...................................................................................... 9-3
Maintenance services .....................................................................................9-6
Owner’s responsibility .............................................................................................. 9-6
Owner maintenance precautions............................................................................. 9-6
Owner maintenance ....................................................................................... 9-7Owner maintenance schedule ..................................................................................9-7
Scheduled maintenance services ..................................................................9-9
Explanation of scheduled maintenance items ........................................... 9-10
Engine oil ........................................................................................................9-13
Checking the engine oil level .................................................................................. 9-13
Checking the engine oil and filter ........................................................................... 9-15
Engine coolant ...............................................................................................9-16Checking the coolant level ...................................................................................... 9-16
Changing the engine coolant .................................................................................. 9-19
Brake/clutch fluid ......................................................................................... 9-20Checking the brake/clutch fluid level .................................................................... 9-20
Intelligent Manual Transmission (iMT) System actuator fluid ................... 9-22Checking the IMT system actuator fluid level ....................................................... 9-22
Washer fluid .................................................................................................. 9-23Checking the washer fluid level ............................................................................. 9-23
Checking the parking brake ................................................................................... 9-23
Parking brake ................................................................................................ 9-23
Air cleaner ..................................................................................................... 9-24
Filter replacement ................................................................................................... 9-24
Climate control air filter................................................................................ 9-26Filter inspection ....................................................................................................... 9-26
Filter replacement ................................................................................................... 9-26
Wiper blades ................................................................................................. 9-27Blade inspection .......................................................................................................9-27
Blade replacement ...................................................................................................9-27
9. Maintenance
9

9-3
09
ENGINE COMPARTMENT
The actual engine room in the vehicle may differ from the illustration.
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1. Engine coolant reservoir
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9-4
Maintenance
The actual engine room in the vehicle may differ from the illustration.
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„Smartstream G1.2
1. Engine coolant reservoir
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9-5
09
The actual engine room in the vehicle may differ from the illustration.
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„Petrol 1.4
1. Engine coolant reservoir
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9-7
09
WARNING
Performing maintenance work on a
vehicle can be dangerous. If you lack
sufficient knowledge and experience
or the proper tools and equipment
to do the work, we recommend that
the system be serviced by a HYUNDAI
authorised repairer. ALWAYS follow
these precautions for performing
maintenance work:

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move the shift lever into the P (Park,
for automatic transmission/dual
clutch transmission vehicle) position,
apply the parking brake, and place
the ignition switch in the LOCK/OFF
position.

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prevent the vehicle from moving.
Remove loose clothing or jewellery
that can become entangled in
moving parts.

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maintenance, do so out doors or in an
area with plenty of ventilation.

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materials away from the battery and
fuel-related parts.The following lists are vehicle checks
and inspections that should be
performed by the owner or a HYUNDAI
authorised repairer at the frequencies
indicated to help ensure safe,
dependable operation of your vehicle.
Any adverse conditions should be
brought to the attention of your dealer
as soon as possible.
These Owner Maintenance vehicle
checks are generally not covered by
warranties and you may be charged for
labour, parts and lubricants used.
Owner maintenance schedule
When you stop for fuel:

[Check the coolant level in the engine
coolant reservoir.

[Check the windscreen washer fluid
level.

[Check for low or under-inflated tyres.

[Check the radiator and condenser.
Check if the front of the radiator and
condenser are clean and not blocked
with leaves, dirt or insects, etc.
If any of the above parts are extremely
dirty or you are not sure of their
condition, we recommend that
you contact a HYUNDAI authorised
repairer.
WARNING
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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.
OWNER MAINTENANCE