warning light HYUNDAI IONIQ 2020 Repair Manual

5-28
Driving your vehicle
However, if the EPB switch is
pressed within 1 second after the
vehicle is turned off, the EPB will not
be applied.
Releasing the parking brake
To release EPB (Electronic Parking
Brake):
Have the POWER button in the ON
position.
Depress the brake pedal.
Press the EPB switch.
Make sure the Parking Brake
Warning Light goes off.
To release EPB (Electronic Parking
Brake) automatically:
Shifted to P (Park)
With the vehicle in the ready ( )
mode depress the brake pedal and
shift out of P (Park) to R (Reverse),
D (Drive).
Shifted to N (Neutral)
With the vehicle in the ready ( )
mode depress the brake pedal and
shift out of N (Neutral) to R
(Reverse) or D (Drive).
Under the following conditions
1. Start the vehicle.
2. Fasten the driver's seat belt.
3. Close the driver's door, hood
and liftgate.
4. Depress the accelerator pedal
while the gear is in D (Drive) or
R (Reverse).
The Parking Brake Warning Light
should be turned off when the EPB is
released.
To reduce the risk of SERIOUS
INJURY or DEATH, do not oper-
ate the parking brake while the
vehicle is moving except in an
emergency situation. It could
damage the brake system and
lead to an accident.
WARNING
OAEE059005

5-29
Driving your vehicle
5
Information
• For your safety, you can engage the
EPB even though the POWER but-
ton is in the OFF position, but you
cannot release it.
• For your safety, depress the brake
pedal and release the parking brake
manually with the EPB switch when
you drive downhill or when backing
up the vehicle.
If the parking brake warning light
is still on even though the EPB
has been released, have the sys-
tem checked an authorized
HYUNDAI dealer.
Do not drive your vehicle with
the EPB applied. It may cause
excessive brake pad and brake
rotor wear.
EPB (Electronic Parking Brake)
may be automatically applied
when:
Requested by other systems
The vehicle is turned off with the
Auto Hold operating
Information
If the driver turns the vehicle off while
Auto Hold is operating, EPB will be
automatically applied. However, if
you press the EPB switch within one
second after the vehicle is turned off,
the EPB will not be applied.
Warning messages
To release EPB, fasten seatbelt and
close door, hood and liftgate
If you try to drive with the EPB
applied, a warning will sound and a
message will appear.
If the driver's seat belt is not fas-
tened and the hood or liftgate is
opened, a warning will sound and
a message will appear.
If there is a problem with the vehi-
cle, a warning may sound and a
message may appear.
If the situation occurs, depress the
brake pedal and release EPB by
pressing the EPB switch.
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NOTICE
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OTMA058132

5-31
Driving your vehicle
5
Parking brake automatically
applied
If the EPB is applied while Auto Hold
is activated, a warning will sound and
a message will appear.
EPB malfunction indicator
This warning light illuminates if the
POWER button is changed to the ON
position and goes off in approximate-
ly 3 seconds if the system is operat-
ing normally.
If the EPB malfunction indicator
remains on, comes on while driving,
or does not come on when the
POWER button is changed to the ON
position, this indicates that the EPB
may have malfunctioned.
If this occurs, have the system
checked by an authorized HYUNDAI
dealer.The EPB malfunction indicator may
illuminate when the ESC (Electronic
Stability Control) indicator comes on
to indicate that the ESC is not work-
ing properly, but it does not indicate a
malfunction of the EPB.
If the EPB warning light is still
on, have the system checked by
an authorized HYUNDAI dealer.
If the parking brake warning
light does not illuminate or
blinks even though the EPB
switch was pulled up, the EPB
may not be applied.
If the parking brake warning
light blinks when the EPB warn-
ing light is on, press the switch,
then pull it up. Once more press
it back to its original position
and pull it back up. If the EPB
warning does not go off, have
the system checked by an
authorized HYUNDAI dealer.
NOTICE
OOSEV058099L
OAEE059006

5-32
Driving your vehicle
Emergency braking
If there is a problem with the brake
pedal while driving, emergency brak-
ing is possible by pulling up and
holding the EPB switch. Braking is
possible only while you are holding
the EPB switch.
Information
During emergency braking by the
EPB, the parking brake warning light
will illuminate to indicate that the sys-
tem is operating.If you continuously notice a noise
or burning smell when the EPB is
used for emergency braking, have
the system checked by an author-
ized HYUNDAI dealer.
When the EPB (Electronic Parking
Brake) does not release
If the EPB does not release normal-
ly, contact an authorized HYUNDAI
dealer by loading the vehicle on a
flatbed tow truck and have the sys-
tem checked.
Auto Hold
The Auto Hold maintains the vehicle
in a standstill even though the brake
pedal is not depressed after the driv-
er brings the vehicle to a complete
stop by depressing the brake pedal.
NOTICE
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Do not operate the parking
brake while the vehicle is mov-
ing except in an emergency sit-
uation.
WARNING

5-34
Driving your vehicle
Cancel
To cancel the Auto Hold operation,
press the [AUTO HOLD] switch. The
AUTO HOLD indicator will turn off.
To cancel the Auto Hold operation
when the vehicle is at a standstill,
press the [AUTO HOLD] switch while
depressing the brake pedal.
Information
• The Auto Hold does not operate
when:
- The driver's seat belt is unfastened
and driver's door is opened
- The hood is opened
- The gear is in P (Park)
- The EPB is applied
- The liftgate is opened
• For your safety, the Auto Hold auto-
matically switches to EPB in such
cases:
- The driver's door is opened
- The hood is opened while the gear
is in D (Drive)
- The vehicle is in a standstill for
more than 10 minutes
- The vehicle is standing on a steep
slope
- The vehicle moved several times
- The liftgate is opened while the
gear is in R (Reverse)
(Continued)(Continued)
In these cases, the parking brake
warning light comes on, the AUTO
HOLD indicator changes from green
to white, and a warning sounds and
a message will appear to inform you
that EPB has been automatically
engaged. Before driving again,
depress the brake pedal, check the
surrounding area near your vehicle
and release the parking brake man-
ually with the EPB switch.
• If the AUTO HOLD indicator lights
up yellow, the Auto Hold is not
working properly. Contact an
authorized HYUNDAI dealer.
• While operating Auto Hold, you may
hear mechanical noise. However, it is
normal operating noise.
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OAEE059009
L L L L
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5-37
Driving your vehicle
5
ABS is an electronic braking system
that helps prevent a braking skid.
ABS allows the driver to steer and
brake at the same time.
Using ABS
To obtain the maximum benefit from
your ABS in an emergency situation,
do not attempt to modulate your
brake pressure and do not try to
pump your brakes. Depress your
brake pedal as hard as possible.
When you apply your brakes under
conditions which may lock the
wheels, you may hear sounds from
the brakes, or feel a corresponding
sensation in the brake pedal. This is
normal and it means your ABS is
active.
ABS does not reduce the time or dis-
tance it takes to stop the vehicle.
Always maintain a safe distance from
the vehicle in front of you.
ABS will not prevent a skid that
results from sudden changes in
direction, such as trying to take a
corner too fast or making a sudden
lane change. Always drive at a safe
speed for the road and weather con-
ditions.ABS cannot prevent a loss of stabili-
ty. Always steer moderately when
braking hard. Severe or sharp steer-
ing wheel movement can still cause
your vehicle to veer into oncoming
traffic or off the road.
On loose or uneven road surfaces,
operation of the anti-lock brake sys-
tem may result in a longer stopping
distance than for vehicles equipped
with a conventional brake system.
The ABS warning light ( ) will stay
on for several seconds after the
POWER button is in the ON position.
During that time, the ABS will go
through self-diagnosis and the light
will go off if everything is normal. If
the light stays on, you may have a
problem with your ABS. Contact an
authorized HYUNDAI dealer as soon
as possible.(Continued)
On roads where the road sur-
face is pitted or has different
surface height.
Tire chains are installed on
your vehicle.
The safety features of an ABS
or ESC equipped vehicle should
not be tested by high speed
driving or cornering. This could
endanger the safety of yourself
or others.

5-38
Driving your vehicle
When you drive on a road having
poor traction, such as an icy road,
and apply your brakes continu-
ously, the ABS will be active con-
tinuously and the ABS warning
light ( ) may illuminate. Pull
your car over to a safe place and
turn the vehicle off.
Restart the vehicle. If the ABS
warning light is off, then your ABS
system is normal.
Otherwise, you may have a prob-
lem with your ABS system.
Contact an authorized HYUNDAI
dealer as soon as possible.
Information
When you jump start your vehicle
because of a drained battery, the ABS
warning light ( ) may turn on at the
same time. This happens because of
the low battery voltage. It does not
mean your ABS is malfunctioning.
Have the battery recharged before
driving the vehicle.
Electronic Stability Control
(ESC)
The Electronic Stability Control
(ESC) system helps to stabilize the
vehicle during cornering maneuvers.
ESC checks where you are steering
and where the vehicle is actually
going. ESC applies braking pressure
to any one of the vehicle's brakes
and intervenes in the electric vehicle
control system to assist the driver
with keeping the vehicle on the
intended path. It is not a substitute
for safe driving practices. Always
adjust your speed and driving to the
road conditions.
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NOTICE
If the ABS warning light ( ) is
on and stays on, you may have
a problem with the ABS. Your
power brakes will work normal-
ly. To reduce the risk of serious
injury or death, contact your
HYUNDAI dealer as soon as
possible.
WARNING
OAEE059025L

5-39
Driving your vehicle
5
ESC operation
ESC ON condition
When the POWER button is in the
ON position, the ESC and the ESC
OFF indicator lights illuminate for
approximately three seconds. After
both lights go off, the ESC is
enabled.
When operating
When the ESC is in opera-
tion, the ESC indicator light
blinks:

conditions which may lock the
wheels, you may hear sounds from
the brakes, or feel a corresponding
sensation in the brake pedal. This is
normal and it means your ESC is
active.

cle may not respond to the acceler-
ator as it does under routine condi-
tions.

when the ESC activates, the Cruise
Control automatically disengages.
The Cruise Control can be reen-
gaged when the road conditions
allow.See "Cruise Control System"
later in this chapter.(if equipped) Never drive too fast for the road
conditions or too quickly when
cornering. The ESC system will
not prevent accidents.
Excessive speed in turns,
abrupt maneuvers, and
hydroplaning on wet surfaces
can result in severe accidents.WARNING

5-40
Driving your vehicle
ESC OFF condition
To cancel ESC operation :

Press the ESC OFF button briefly.
The ESC OFF indicator light And/or
message "Traction Control disabled"
will illuminate. In this state, the trac-
tion control function of ESC is dis-
abled, but the brake control function
of ESC still operates.
Press and hold the ESC OFF button
continuously for more than 3 sec-
onds. The ESC OFF indicator light
And/or message "Traction & Stability
Control disabled" illuminates and a
warning chime sounds. In this state,
both the traction control function of
ESC and the brake control function
of ESC are disabled.
If the POWER button is placed to the
OFF position when ESC is off, ESC
remains off. Upon restarting the vehi-
cle, the ESC will automatically turn
on again.
Indicator lights
When the POWER button is pressed
to the ON position, the ESC indicator
light illuminates, then goes off if the
ESC system is operating normally.
The ESC indicator light blinks when-
ever the ESC is operating.
If the ESC indicator light stays on,
your vehicle may have a malfunction
with the ESC system. When this
warning light illuminates, have the
vehicle checked by an authorized
HYUNDAI dealer as soon as possi-
ble.
The ESC OFF indicator light comes
on when the ESC is turned off with
the button.
OAEPH059017L
OAEPH059019L
■ESC indicator light (blinks)
■ ESC OFF indicator light (comes on)

5-41
Driving your vehicle
5Driving with wheels and tires with
different sizes may cause the ESC
system to malfunction. Before
replacing tires, make sure all four
tires and wheels are the same
size. Never drive the vehicle with
different sized wheels and tires
installed.
ESC OFF usage
When Driving
The ESC OFF mode should only be
used briefly to help free the vehicle if
stuck in snow or mud, by temporarily
stopping operation of the ESC, to
maintain wheel torque.
To turn ESC off while driving, press
the ESC OFF button while driving on
a flat road surface. Do not allow wheel(s) of one
axle to spin excessively while
the ESC, ABS, and parking brake
warning lights are displayed.
The repairs would not be cov-
ered by the vehicle warranty.
Reduce vehicle power and do
not spin the wheel(s) excessive-
ly while these lights are dis-
played.
When operating the vehicle on a
dynamometer, make sure the
ESC is turned off (ESC OFF light
illuminated).
Information
Turning the ESC off does not affect
ABS or standard brake system opera-
tion.
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NOTICE
NOTICE
When the ESC is blinking, this
indicates the ESC is active:
Drive slowly and NEVER attempt
to accelerate. NEVER turn the
ESC off while the ESC indicator
light is blinking or you may lose
control of the vehicle resulting in
an accident.
WARNING