battery HYUNDAI I20 2023 Owner's Manual

6-6
Driving your vehicle
Key ignition switch positions
Switch
PositionAction Notice
LOCKThe ignition key can be removed in
the LOCK position.The steering wheel locks to protect
the vehicle from theft.
(if equipped)
ACCElectrical accessories are usable.The steering wheel unlocks.
If difficulty is experienced turning
the ignition switch to the ACC
position, turn the key whilst
turning the steering wheel right
and left to release tension.
ONThis is the normal key position
when the engine has started.
All features and accessories are
usable.
The warning lights can be checked
when you turn the ignition switch
from ACC to ON.Do not leave the ignition switch in
the ON position when the engine is
not running to prevent the battery
from discharging.
STARTTo start the engine, turn the
ignition switch to the START
position. The switch returns to the
ON position when you let go of the
key.The engine will crank until you
release the key.

6-9
06
Engine Stop/Start button positions
- Vehicle with manual transmission/intelligent manual transmission
Button PositionAction Notice
OFF
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the vehicle and then press the
Engine Start/Stop button.

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protect the vehicle from theft.
(if equipped)If the steering wheel is not locked
properly when you open the
driver’s door, the warning chime
will sound.
ACC
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button when the button is
in the OFF position without
depressing the clutch pedal.

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usable.

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Stop button in the ACC position
for more than one hour, the
battery power will turn off
automatically to prevent the
battery from discharging.

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unlock properly, the Engine
Start/Stop button will not
work. Press the Engine Start/
Stop button whilst turning the
steering wheel right and left to
release tension.
ON
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button whilst it is in the ACC
position without depressing the
clutch pedal.

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checked before the engine is
started.Do not leave the Engine Start/
Stop button in the ON position
when the engine is not running
to prevent the battery from
discharging.
STARTTo start the engine, depress the
clutch and brake pedals and
press the Engine Start/Stop
button with the shift lever in
neutral.If you press the Engine Start/Stop
button without depressing the
clutch pedal, the engine does not
start and the Engine Start/Stop
button changes as follows:
OFF o ACC o ON o OFF

6-10
Driving your vehicle
Engine Stop/Start button positions
- Vehicle with automatic transmission / dual clutch transmission
Button PositionAction Notice
OFF
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Engine Start/Stop button with
shift lever in P (Park). When you
press the Engine Start/Stop
button without the shift lever in
P (Park), the Engine Start/Stop
button does not turn to the OFF
position, but turns to the ACC
position.

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protect the vehicle from theft.
(if equipped)If the steering wheel is not locked
properly when you open the
driver’s door, the warning chime
will sound.
ACC
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button when the button is
in the OFF position without
depressing the brake pedal.

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usable.

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Stop button in the ACC position
for more than one hour, the
battery power will turn off
automatically to prevent the
battery from discharging.

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unlock properly, the Engine
Start/Stop button will not work.

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button whilst turning the
steering wheel right and left to
release tension.
ON
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button whilst it is in the ACC
position without depressing the
brake pedal.

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checked before the engine is
started.Do not leave the Engine Start/
Stop button in the ON position
when the engine is not running
to prevent the battery from
discharging.
STARTTo start the engine, depress the
brake pedal and press the Engine
Start/Stop button with the shift
lever in the P (Park) or in the N
(Neutral) position.
For your safety, start the engine
with the shift lever in the P (Park)
position.If you press the Engine Start/Stop
button without depressing the
brake pedal, the engine does not
start and the Engine Start/Stop
button changes as follows:
OFF o ACC o ON o OFF or ACC

6-46
Driving your vehicle
Your vehicle may be equipped with
the ISG system, which reduces fuel
consumption by stopping and restarting
the engine automatically.
The engine starts automatically as soon
as the starting conditions are met.
NOTICE
When the engine automatically starts
by the ISG system, some warning lights
(ABS, ESC, ESC OFF, EPS or Parking
brake warning light) may turn on for a
few seconds. This happens because of
low battery voltage. It does not mean
the system is malfunctioning.
Activating the ISG
Prerequisite for activation
The ISG system operates in the following
situations.

[The driver’s seatbelt is fastened

[The driver’s door and bonnet are
closed

[The brake vacuum pressure is
adequate

[The battery sensor is activated and the
battery is sufficiently charged

[Outside temperature is not too low or
too high

[The vehicle is driven over a constant
speed and stops

[ The climate control system satisfies
the conditions

[The vehicle is sufficiently warmed up

[The incline is gradual

[The steering wheel is turned less than
180 degrees and then the vehicle
stops
Deactivating the ISG
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If you want to deactivate the ISG system,
press the ISG OFF button.
The light on the ISG OFF button will
illuminate.
If you press the ISG OFF button again,
the system will be activated and the light
on the ISG OFF button will turn off.
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6-50
Driving your vehicle
Condition of ISG system
operation
The ISG system will operate under the
following condition:

[The driver’s seatbelt is fastened

[The driver’s door and bonnet are
closed

[The brake vacuum pressure is
adequate

[The battery sensor is activated and the
battery is sufficiently charged

[Outside temperature is not too low or
too high

[The vehicle is driven over a constant
speed and stops

[The climate control system satisfies
the conditions

[The vehicle is sufficiently warmed up

[The vehicle is not on a steep road
grade (Except Manual Transmission)

[The steering wheel is not at a sharp
angle

[The vehicle is not at a high elevation

[The front windscreen defroster is off

[You have not selected Manual shift
mode (Except Manual Transmission)

[When sufficient time has elapsed after
shifting to R (Reverse) was released
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6-53
06
NOTICE
If you want to use the ISG function, the
battery sensor needs to be calibrated
for approximately 4 hours with the
ignition off and then, turn the engine
on and off 2 or 3 times.
WARNING
When the engine is in Idle Stop mode,
it’s possible to restart the engine
without the driver taking any action.
Before leaving the car or doing
anything in the engine room area,
stop the engine by turning the ignition
switch to the LOCK (OFF) position or
removing the ignition key.

6-63
06
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When installing tyre chains, follow the
manufacturer’s instructions and mount
them as tightly possible. Drive slowly
(less than 20 mph (30 km/h)) with
chains installed. If you hear the chains
contacting the body or chassis, stop and
tighten them. If they still make contact,
slow down until the noise stops. Remove
the tyre chains as soon as you begin
driving on cleared roads.
When mounting snow chains, park
the vehicle on level ground away from
traffic. Turn on the vehicle Hazard
Warning Flasher and place a triangular
emergency warning device behind the
vehicle (if available). Always place the
vehicle in P (Park), apply the parking
brake and turn off the engine before
installing snow chains.
NOTICE
When using tyre chains:

[Wrong size chains or improperly
installed chains can damage your
vehicle’s brake lines, suspension,
body and wheels.

[Use SAE “S” class or wire chains.

[If you hear noise caused by chains
contacting the body, retighten the
chain to prevent contact with the
vehicle body.

[To prevent body damage, retighten
the chains after driving 0.3~0.6 miles
(0.5~1.0 km).

[Do not use tyre chains on vehicles
equipped with aluminium wheels. If
unavoidable, use a wire type chain.

[Use wire chains less than 0.47 in (12
mm) wide to prevent damage to the
chain’s connection.
Winter Precautions
Use high quality ethylene glycol coolant
Your vehicle is delivered with high
quality ethylene glycol coolant in the
cooling system. It is the only type of
coolant that should be used because it
helps prevent corrosion in the cooling
system, lubricates the water pump and
prevents freezing. Be sure to replace or
replenish your coolant in accordance
with the maintenance schedule. Before
winter, have your coolant tested to
assure that its freezing point is sufficient
for the temperatures anticipated during
the winter.
Check battery and cables
Winter temperatures affect battery
performance. Inspect the battery and
cables, as specified in the chapter
9. The battery charging level can be
checked by a HYUNDAI authorised
repairer or in a service station.
Change to “winter weight” oil if
necessary
In some regions during winter, it is
recommended to use the “winter
weight” oil with lower viscosity. For
further information, refer to the chapter
2. When you are not sure about a type
of winter weight oil, consult a HYUNDAI
authorised repairer.

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

8-6
Emergency situations
Jump starting can be dangerous if done
incorrectly. Follow the jump starting
procedure in this section to avoid serious
injury or damage to your vehicle. If in
doubt about how to properly jump start
your vehicle, we strongly recommend
that you have a service technician or
towing service do it for you.
WARNING
To prevent SERIOUS INJURY or DEATH
to you or bystanders, always follow
these precautions when working near
or handling the battery:
Always read and follow
instructions carefully when
handling a battery.
Wear eye protection designed
to protect the eyes from acid
splashes.
Keep all flames, sparks, or
smoking materials away from
the battery.
Hydrogen is always present in
battery cells, is highly
combustible, and may explode
if ignited.
Keep batteries out of reach of
children.
Batteries contain sulfuric acid
which is highly corrosive. Do
not allow acid to contact your
eyes, skin or clothing.
If acid gets into your eyes, flush your
eyes with clean water for at least 15
minutes and get immediate medical
attention. If acid gets on your skin,
thoroughly wash the area. If you
feel pain or a burning sensation, get
medical attention immediately.

[When lifting a plastic-cased battery,
excessive pressure on the case may
cause battery acid to leak. Lift with a
battery carrier or with your hands on
opposite corners.

[Do not attempt to jump start your
vehicle if your battery is frozen.

[NEVER attempt to recharge the
battery when the vehicle’s battery
cables are connected to the battery.

[The electrical ignition system works
with high voltage. NEVER touch these
components with the engine running
or when the ignition switch is in the
ON position.

[Do not allow the (+) and (-) jumper
cables to touch. It may cause sparks.

[The battery may rupture or explode
when you jump start with a low or
frozen battery.
NOTICE
To prevent damage to your vehicle:

[Only use a 12-volt power supply
(battery or jumper system) to jump
start your vehicle.

[Do not attempt to jump start your
vehicle by push-starting.
JUMP STARTING

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.