2020 Hyundai Ioniq Hybrid check engine

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Convenient features of your vehicle
3
Seat Belt Warning Light
This warning light informs the driver
that the seat belt is not fastened.
For more information, refer to
“Seat Belts” in chapter 2.
Parking Brake & Brake
Fluid Warning Light
This warning light illuminates:
Once you turn the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3
seconds
- It remains on if the parking brake
is applied.
When the parking brake is applied.
When the brake fluid level in the
reservoir is low.
- If the warning light illuminates
with the parking brake released, it
the indicates the brake fluid level
in reservoir is low.

not operate.
If the brake fluid level in the reser-
voir is low:
1. Drive carefully to the nearest safe
location and stop your vehicle.
2. With the engine stopped, check the
brake fluid level immediately and
add fluid as required (For more
information, refer to “Brake
Fluid” in chapter 7). After adding
brake fluid, check all brake compo-
nents for fluid leaks. If a brake fluid
leak is found, or if the warning light
remains on, or if the brakes do not
operate properly, do not drive the
vehicle. We recommend that you
have the vehicle inspected by an
authorised HYUNDAI dealer.
Dual-diagonal braking system
Your vehicle is equipped with dual-
diagonal braking systems. This
means you still have braking on two
wheels even if one of the dual sys-
tems should fail.
With only one of the dual systems
working, more than normal pedal
travel and greater pedal pressure is
required to stop the vehicle.
(red colour)

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Convenient features of your vehicle
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If the Malfunction Indicator Lamp
(MIL) illuminates, potential catalyt-
ic converter damage is possible
which could result in loss of
engine power.
In this case, we recommend that
you have the vehicle inspected by
an authorised HYUNDAI dealer as
soon as possible.
Charging System
Warning Light
When this warning light illuminates
whilst running the engine, the battery
is not being charged. Immediately
turn OFF all electrical accessories.
Try not to use electrically operated
controls, such as the power windows.
Keep running the engine.
We recommend that you have the
vehicle inspected by an authorised
HYUNDAI dealer as soon as possible.
Engine Oil Pressure
Warning Light
This warning light illuminates:
When the engine oil pressure is low.
If the engine oil pressure is low:
1. Drive carefully to the nearest safe
location and stop your vehicle.
2. Turn the engine off and check the
engine oil level (For more informa-
tion, refer to “Engine Oil” in chap-
ter 7). If the level is low, add oil as
required.
If the warning light remains on
after adding oil or if oil is not avail-
able, we recommend that you
have the vehicle inspected by an
authorised HYUNDAI dealer as
soon as possible.
NOTICE

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Convenient features of your vehicle
If the engine does not stop
immediately after the Engine Oil
Pressure Warning Light is illumi-
nated, severe damage could
result.
If the warning light stays on
whilst the engine is running, it
indicates that there may be seri-
ous engine damage or malfunc-
tion. In this case:
1. Stop the vehicle as soon as it
is safe to do so.
2. Turn off the engine and check
the oil level. If the oil level is
low, fill the engine oil to the
proper level.
3. Start the engine again. If the
warning light stays on after the
engine is started, turn the
engine off immediately. In this
case, we recommend that you
have the vehicle inspected by
an authorised HYUNDAI deal-
er.
Low Fuel Level
Warning Light
This warning light illuminates:
When the fuel tank is nearly empty.
Add fuel as soon as possible.
Driving with the Low Fuel Level
warning light on or with the fuel
level below "0 or E" can cause the
engine to misfire and damage the
catalytic converter (if equipped).
Engine Coolant
Temperature Warning
Light
This warning light illuminates:
When the engine coolant tempera-
ture is above 120°C (248°F). This
means that the engine is overheat-
ed and may be damaged.
If your vehicle is overheated, refer
to “Overheating” in chapter 6.
Overspeed Warning
Light (if equipped)
This warning light blinks:
When you drive the vehicle more
than 120 km/h.
- This is to prevent you from driving
your vehicle with overspeed.
- The overspeed warning chime
also sounds for approximately 5
seconds.
NOTICE
NOTICE
120km/h

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Convenient features of your vehicle
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LCD display messages
Shift to P
(for smart key system)
This warning message is displayed if
you try to turn off the vehicle with the
shift lever in the N (Neutral) position.
At this time, the Engine Start/Stop
button turns to the ACC position (If
you press the Engine Start/Stop but-
ton once more, it will turn to the ON
position).
Low Key Battery
(for smart key system)
This warning message is displayed if
the battery of the smart key is dis-
charged whilst changing the Engine
Start/Stop button to the OFF posi-
tion.
Press START button while turn-
ing wheel (for smart key system)
This warning message is displayed if
the steering wheel does not unlock
normally when the Engine Start/Stop
button is pressed.
You should press the Engine
Start/Stop button whilst turning the
steering wheel right and left.
Check Steering Wheel Lock
System (for smart key system)
This warning message is displayed if
the steering wheel does not lock nor-
mally whilst the Engine Start/Stop but-
ton changes to the OFF position.
Press brake pedal to start vehicle
(for smart key system)
This warning message is displayed if
the Engine Start/Stop button changes
to the ACC position twice by pressing
the button repeatedly without depress-
ing the brake pedal.
You can start the vehicle by depressing
the brake pedal.
Key not in vehicle
(for smart key system)
This warning message is displayed if
the smart key is not in the vehicle
when you press the Engine Start/Stop
button.
When attempting to start the vehicle,
always have the smart key with you.

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Convenient features of your vehicle
Key not detected
(for smart key system)
This warning message is displayed if
the smart key is not detected when you
press the Engine Start/Stop button.
Press START button again
(for smart key system)
This message is displayed if you
were unable to start the vehicle when
the Engine Start/Stop button was
pressed.
If this occurs, attempt to start the
engine by pressing the Engine
Start/Stop button again.
If the warning message appears
each time you press the Engine
Start/Stop button, we recommend
that you have your vehicle inspected
by an authorised HYUNDAI dealer.
Press START button with key
(for smart key system)
This warning message is displayed if
you press the Engine Start/Stop but-
ton whilst the warning message “Key
not detected” is displayed.
At this time, the immobiliser indicator
light blinks.
Check BRAKE SWITCH fuse
(for smart key system)
This warning message is displayed if
the brake switch fuse is disconnected.
You need to replace the fuse with a
new one before starting the engine.
If that is not possible, you can start the
engine by pressing the Engine
Start/Stop button for 10 seconds in the
ACC position.
Shift to P to start vehicle
(for smart key system)
This warning message is displayed if
you try to start the engine with the
shift lever not in the P (Park) position.
Low Washer Fluid (if equipped)
This warning message is displayed
if the washer fluid level in the reser-
voir is nearly empty.
Have the washer fluid reservoir
refilled.
Low Fuel
This warning message is displayed if
the fuel tank is almost out of fuel.
When this message is displayed, the
low fuel level warning light in the
cluster will come on.
It is recommended to look for the
nearest fuelling station and refuel as
soon as possible.
Add fuel as soon as possible.
Engine has overheated
This warning message is displayed
when the engine coolant tempera-
ture is above 120°C (248°F). This
means that the engine is overheated
and may be damaged.
If your vehicle is overheated, refer
to "Overheating" in chapter 6.

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Convenient features of your vehicle
3
Door, Bonnet, Tailgate Open
This warning is displayed indicating
which door, or bonnet, or tailgate is
open.
Sunroof Open (if equipped)
This warning is displayed if you turn
off the engine when the sunroof is
open.
Icy Road Warning Light
(if equipped)
This warning light is to warn the driver
the road may be icy.
When the temperature on the out-
side temperature gauge is approxi-
mately below 4°C (40°F), the Icy
Road Warning Light and Outside
Temperature Gauge blinks, and then
illuminates. Also, the warning chime
sounds 1 time.
Information
If the icy road warning light appears
whilst driving, you should drive more
attentively and safely refraining from
over-speeding, rapid acceleration, sud-
den braking or sharp turning, etc.
i
Before driving the vehicle, you
should confirm that the door/
bonnet/tailgate is fully closed.
Also, check there is no door
/bonnet/tailgate open warning
light or message displayed on
the instrument cluster.
CAUTION
OAEPH048613OAEPH048644
■Type B ■Type A
OAE046461L/OAEPH049648L

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Convenient features of your vehicle
Check Active Air Flap System
This message is displayed in the fol-
lowing situations:
- There is a malfunction with the
actuator flap
- There is a malfunction with the
actuator air flap controller
- The air flap does not open
When all of the above conditions are
fixed, the warning will disappear.
Check Hybrid system
This message is displayed when
there is a problem with the hybrid
control system.
Refrain from driving when the warn-
ing message is displayed.
In this case, we recommend that you
have your vehicle inspected by an
authorised HYUNDAI dealer.
Check Hybrid system.
Turn engine off
This message is displayed when
there is a problem with the hybrid
system. The " " indicator will blink
and a warning chime will sound until
the problem is solved.
In this case, we recommend that you
have your vehicle inspected by an
authorised HYUNDAI dealer.
OAEPH049649LOAEPHQ049819L
OAEPHQ049820L

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Convenient features of your vehicle
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Check Hybrid system.
Do not start engine
This message is displayed when the
hybrid battery power (SOC) level is
low. A warning chime will sound until
the problem is solved.
In this case, we recommend that you
have your vehicle inspected by an
authorised HYUNDAI dealer.
Stop vehicle and check power
supply
This message is displayed when a
failure occurs in the power supply
system.
In this case, park the vehicle in a
safe location and we recommend
that you tow your vehicle to the near-
est authorised HYUNDAI dealer and
have the vehicle inspected.
Park with engine on to charge
battery
This message is displayed when the
hybrid battery power (SOC) level is
low.
In this case, park the vehicle in a
safe location and wait until the hybrid
battery is charged.
OAEPHQ049821LOAEPHQ049822LOAEPHQ049823L