check engine HYUNDAI I20 2023 Service Manual

Driver assistance system
7-136
Reverse Parking Distance Warning

[Reverse Parking Distance Warning
will operate when the gear is in R
(Reverse).

[Reverse Parking Distance Warning
detects a person, animal or object in
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speed is below 6 mph (10 km/h).
Distance from
objectWarning
indicatorWarning
sound
24~48 in.
(60~120 cm)Buzzer beeps
intermittently
12~24 in.
(30~60 cm)Beeps more
frequently
within 12 in.
(30 cm)
Beeps
continuously

[The corresponding indicator will
illuminate whenever each ultrasonic
sensor detects a person, animal or
object in its sensing range. Also an
audible warning will sound.

[When more than two objects are
detected at the same time, the closest
one will be warned with an audible
warning.

[The shape of the indicator in the
illustration may differ from the actual
vehicle.
Reverse Parking Distance
Warning malfunction and
precautions
Reverse Parking Distance Warning
malfunction
After starting the engine, a beep will
sound when the gear is shifted to R
(Reverse) to indicate the function is
operating normally.
However, if one or more of the following
occurs, first check whether the
ultrasonic sensor is damaged or blocked
with foreign material. If it still does not
work properly, we recommend that the
function be inspected by a HYUNDAI
authorised repairer.

[The audible warning does not sound.

[The buzzer sounds intermittently.

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warning message appears on the
cluster.
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07
7-141
Forward/Reverse Parking
Distance Warning malfunction
and precautions
Forward/Reverse Parking Distance
Warning malfunction
After starting the engine, a beep will
sound when the gear is shifted to R
(Reverse) to indicate the function is
operating normally.
However, if one or more of the following
occurs, first check whether the
ultrasonic sensor is damaged or blocked
with foreign material. If it still does not
work properly, we recommend that the
function be inspected by a HYUNDAI
authorised repairer.

[The audible warning does not sound.

[The buzzer sounds intermittently.

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warning message appears on the
cluster.
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WARNING

[Forward/Reverse Parking Distance
Warning is a supplemental system.
The operation of the function can be
affected by several factors (including
environmental conditions). It is the
responsibility of the driver to always
check the front and rear views before
and whilst parking.

[Your new vehicle warranty does not
cover any accidents or damage to
the vehicle due to the malfunction of
Forward/Reverse Parking Distance
Warning.

[Pay close attention when driving near
objects, pedestrians, and especially
children. Some objects may not be
detected by the ultrasonic sensors,
due to the objects distance, size or
material, all of which can limit the
effectiveness of the sensor.

07
7-147
„Rear view camera„Rear ultrasonic sensor
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warning message will appear on the
cluster if the following situations occur:
- The rear view camera is covered with
foreign material, such as snow or rain,
etc.
- There is inclement weather, such as
heavy snow, heavy rain, etc.
If this occurs, Reverse Parking Collision-
Avoidance Assist may turn off or may
not operate properly. Check whether
the rear view camera and rear ultrasonic
sensors are clean.
Limitations of Reverse Parking
Collision-Avoidance Assist
Reverse Parking Collision-Avoidance
Assist may not assist braking or warn
the driver even if there are pedestrians
or objects under the following
circumstances:

[Any non-factory equipment or
accessory is installed

[Your vehicle is unstable due to an
accident or other causes

[Bumper height or rear ultrasonic
sensor installation has been modified

[Rear view camera or rear ultrasonic
sensor(s) is damaged

[Rear view camera or the rear
ultrasonic sensor(s) is stained with
foreign material, such as snow, dirt,
etc.

[Rear view camera is obscured by a
light source or by inclement weather,
such as heavy rain, fog, snow, etc.

[The surrounding is very bright or very
dark

[Outside temperature is very high or
very low

[The wind is either strong (above
12 mph (20 km/h)) or blowing
perpendicular to the rear bumper

[Objects generating excessive noise,
such as vehicle horns, loud motorcycle
engines or truck air brakes, are near
your vehicle

[An ultrasonic sensor with similar
frequency is near your vehicle

[There is ground height difference
between the vehicle and the
pedestrian

[The image of the pedestrian in the rear
view camera is indistinguishable from
the background

Hazard warning flasher................................................................................... 8-3
In case of an emergency whilst driving ......................................................... 8-4
If the engine stalls whilst driving ............................................................................. 8-4
If the engine stalls at a crossroad or crossing ......................................................... 8-4
If you have a flat tyre whilst driving ......................................................................... 8-4
If the engine will not start .............................................................................. 8-5If the engine doesn’t turn over or turns over slowly ............................................... 8-5
If the engine turns over normally but doesn’t start ................................................ 8-5
Jump starting ..................................................................................................8-6
If the engine overheats ...................................................................................8-9
Tyre Pressure Monitoring System (TPMS) .................................................... 8-11
Check tyre pressure ..................................................................................................8-11
Tyre pressure monitoring system ............................................................................ 8-12
Low tyre pressure warning light .............................................................................. 8-13
Low tyre pressure position and tyre pressure telltale ............................................ 8-13
TPMS (Tyre Pressure Monitoring System) malfunction indicator ......................... 8-14
Changing a tyre with TPMS ..................................................................................... 8-14
If you have a flat tyre (with spare tyre) ........................................................ 8-16Jack and tools ..........................................................................................................8-16
Changing tyres ......................................................................................................... 8-17
Jack label .................................................................................................................. 8-21
EC Declaration of conformity for Jack................................................................... 8-22
If you have a flat tyre (with tyre mobility kit) .............................................. 8-26Introduction ............................................................................................................. 8-26
Notes on the safe use of the Tyre Mobility Kit ........................................................8-27
Components of the Tyre Mobility Kit ..................................................................... 8-28
Using the Tyre Mobility Kit ...................................................................................... 8-29
Distributing the sealant ........................................................................................... 8-31
Checking the tyre inflation pressure ....................................................................... 8-31
Towing ........................................................................................................... 8-32Towing service ......................................................................................................... 8-32
Removable towing hook ......................................................................................... 8-33
Emergency towing .................................................................................................. 8-34
8. Emergency situations
8

8-5
08
If the engine doesn’t turn over
or turns over slowly

[Be sure the shift lever is in N (Neutral)
or P (Park) if it is an automatic
transmission/dual clutch transmission
vehicle. The engine starts only when
the shift lever is in N (Neutral) or P
(Park).

[Check the battery connections to be
sure they are clean and tight.

[Turn on the interior light. If the light
dims or goes out when you operate
the starter, the battery is drained.
Do not push or pull the vehicle to start
it. This could cause damage to your
vehicle. See instructions for “Jump
Starting” provided in this chapter.
CAUTION
Push or pull starting the vehicle may
cause the catalytic converter to
overload which can lead to damage to
the emission control system.
If the engine turns over normally
but doesn’t start

[Check the fuel level and add fuel if
necessary.
If the engine still does not start, we
recommend that you call a HYUNDAI
authorised repairer for assistance.
IF THE ENGINE WILL NOT START

8-7
08
i Information
Pb
An inappropriately disposed
battery can be harmful to the
environment and human
health. Dispose of the battery
according to your local law(s)
or regulations.
Jump starting procedure
1. Position the vehicles close enough
that the jumper cables will reach, but
do not allow the vehicles to touch.
2. Avoid fans or any moving parts in the
engine compartment at all times, even
when the vehicles are turned off.
3. Turn off all electrical devices such
as radios, lights, air conditioning,
etc. Put the vehicles in P (Park, for
automatic transmission/dual clutch
transmission vehicle) or neutral (for
manual transmission vehicle), and set
the parking brakes. Turn both vehicles
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4. Connect the jumper cables in
the exact sequence shown in the
illustration. First connect one jumper
cable to the red, positive (+) jumper
terminal of your vehicle (1).
5. Connect the other end of the jumper
cable to the red, positive (+) battery/
jumper terminal of the assisting
vehicle (2).
6. Connect the second jumper cable to
the black, negative (-) battery/ chassis
ground of the assisting vehicle (3).
7. Connect the other end of the second
jumper cable to the black, negative (-)
chassis ground of your vehicle (4).
Do not allow the jumper cables to
contact anything except the correct
battery or jumper terminals or the
correct ground. Do not lean over the
battery when making connections.
8. Start the engine of the assisting
vehicle and let it run at approximately
2,000rpm for a few minutes. Then
start your vehicle.
If your vehicle will not start after a
few attempts, it probably requires
servicing. In this event, please seek
qualified assistance. If the cause of your
battery discharging is not apparent, we
recommend that you have your vehicle
checked by a HYUNDAI authorised
repairer.

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.

8-11
08
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(1) Low Tyre Pressure Telltale/TPMS
Malfunction Indicator
(2) Low Tyre Pressure Position Telltale
and Tyre Pressure Telltale (Shown on
the LCD display)
Check tyre pressure
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[You can check the tyre pressure in the
Warning mode on the cluster.
Refer to the “LCD Display Modes” in
chapter 4.

[Tyre pressure is displayed after a few
minutes of driving after initial engine
start up.

[If tyre pressure is not displayed when
the vehicle is stopped, “Drive to
display” message will appear. After
driving, check the tyre pressure.

[The displayed tyre pressure values
may differ from those measured with a
tyre pressure gauge.

[You can change the tyre pressure
unit in the User Settings mode on the
instrument cluster.
- psi, kpa, bar (Refer to “LCD Modes”
in chapter 4).
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8-12
Emergency situations
Tyre pressure monitoring
system
WARNING
Over-inflation or under-inflation can
reduce tyre life, adversely affect
vehicle handling, and lead to sudden
tyre failure that may cause loss of
vehicle control resulting in an accident.
Each tyre, including the spare (if
provided), should be checked monthly
when cold and inflated to the inflation
pressure recommended by the vehicle
manufacturer on the vehicle placard
or tyre inflation pressure label. (If your
vehicle has tyres of a different size
than the size indicated on the vehicle
placard or tyre inflation pressure label,
you should determine the proper tyre
inflation pressure for those tyres.)
As an added safety feature, your
vehicle has been equipped with a tyre
pressure monitoring system (TPMS)
that illuminates a low tyre pressure
telltale when one or more of your
tyres is significantly under-inflated.
Accordingly, when the low tyre pressure
telltale illuminates, you should stop and
check your tyres as soon as possible,
and inflate them to the proper pressure.
Driving on a significantly under-inflated
tyre causes the tyre to overheat and can
lead to tyre failure.
Under-inflation also reduces fuel
efficiency and tyre tread life, and
may affect the vehicle’s handling and
stopping ability.
Please note that the TPMS is not a
substitute for proper tyre maintenance,
and it is the driver’s responsibility to
maintain correct tyre pressure, even if
under-inflation has not reached the level
to trigger illumination of the TPMS low
tyre pressure telltale.
Your vehicle has also been equipped
with a TPMS malfunction indicator
to indicate when the system is
not operating properly. The TPMS
malfunction indicator is combined with
the low tyre pressure telltale. When
the system detects a malfunction, the
telltale will flash for approximately one
minute and then remain continuously
illuminated. This sequence will continue
upon subsequent vehicle start-ups as
long as the malfunction exists.
When the malfunction indicator is
illuminated, the system may not be able
to detect or signal low tyre pressure as
intended. TPMS malfunctions may occur
for a variety of reasons, including the
installation of replacement or alternate
tyres or wheels on the vehicle that
prevent the TPMS from functioning
properly.
Always check the TPMS malfunction
telltale after replacing one or more tyres
or wheels on your vehicle to ensure that
the replacement or alternate tyres and
wheels allow the TPMS to continue to
function properly.
NOTICE
If any of the below happens, we
recommend that you have the system
checked by a HYUNDAI authorised
repairer.
1. The Low Tyre Pressure Telltale/
TPMS Malfunction Indicator does not
illuminate for 3 seconds when the
Engine Start/Stop button is pressed
to the ON position or when the
engine is running.
2. The TPMS Malfunction Indicator
remains illuminated after blinking for
approximately 1 minute.
3. The Low Tyre Pressure Position
Telltale remains illuminated.