2020 Hyundai Ioniq Hybrid warning

H35
Warning and Indicator Lights
Ready Indicator
This indicator illuminates :
When the vehicle is ready to be driven.
- ON : Normal driving is possible.
- OFF : Normal driving is not possible,
or a problem has occurred.
- Blinking : Emergency driving.
When the ready indicator goes OFF
or blinks, there is a problem with the
system. In this case, have your vehi-
cle inspected by an authorized
HYUNDAI dealer.
Service Warning Light
This warning light illuminates :
When the Engine Start/Stop button
is in the ON position.
- It illuminates for approximately 3
seconds and then goes off.
When there is a problem with the
hybrid vehicle control system or
hardware.
When the warning light illuminates
while driving, or does not go OFF after
starting the vehicle, have your vehicle
inspected by an authorized HYUNDAI
dealer.
EV Mode Indicator
This indicator illuminates when the
vehicle is driven by the electric motor. When the function is activating,
the third Charging Indicator
Lamp will blink and high voltage
electricity will be flowing in the
vehicle. Do not touch the high
voltage electric wire (orange),
connector, and all electric com-
ponents and devices. This may
cause electric shock and lead to
injuries. Also, do not modify
your vehicle in any way. This
may affect your vehicle per-
formance and lead to an acci-
dent.
WARNING
OAEEQ016025
EV

H36
D DR
RI
IV
VI
IN
NG
G
T
TH
HE
E
H
HY
YB
BR
RI
ID
D/
/P
PL
LU
UG
G-
-I
IN
N
H
HY
YB
BR
RI
ID
D
V
VE
EH
HI
IC
CL
LE
E
(
(C
CO
ON
NT
T.
.)
)
Charging Cable
Connection Indicator
(Plug-in hybrid vehicle)
This indicator illuminates in red when
the charging cable is connected.
Regenerative Brake
Warning Light
This warning light illuminates :
When the regenerative brake is not
operating. This causes the Brake
Warning light (red) and Regenerative
Brake Warning Light (yellow) to illu-
minate simultaneously as soon as
possible.
In this case, drive safely and have
your vehicle inspected by an author-
ized HYUNDAI dealer.
The service brake still function, how-
ever, the operation of the brake pedal
may be more difficult than normal
and the braking distance can
increase.
LCD Display Messages
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, have your vehicle
inspected by an authorized 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, have your vehicle
inspected by an authorized HYUNDAI
dealer.
OAEPHQ049819LOAEPHQ049820L

H37
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, have your vehicle
inspected by an authorized 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 tow your vehicle to
the nearest authorized HYUNDAI
dealer and have the vehicle inspect-
ed.
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.
You can increase the hybrid battery
charging rate by holding the acceler-
ator pedal to the floor with transmis-
sion in P. The engine will rev high but
it will be limited for charging purpose
when you hold the pedal to the floor.
OAEPHQ049821LOAEPHQ049822LOAEPHQ049823L

H38
D DR
RI
IV
VI
IN
NG
G
T
TH
HE
E
H
HY
YB
BR
RI
ID
D/
/P
PL
LU
UG
G-
-I
IN
N
H
HY
YB
BR
RI
ID
D
V
VE
EH
HI
IC
CL
LE
E
(
(C
CO
ON
NT
T.
.)
)
Refuel to prevent Hybrid battery
damage
This message is displayed when the
fuel tank is nearly empty.
You should refill the fuel tank to pre-
vent hybrid battery damage.
Refill inverter coolant
This message is displayed when the
inverter coolant is nearly empty.
You should refill the inverter coolant.
Check regenerative brakes/
Stop vehicle and check regener-
ative brakes
This warning message is displayed
when the regenerative brake system
does not work properly.
If this warning message is displayed,
have the vehicle inspected by an
authorized HYUNDAI dealer.
OAEPHQ049824L
OAEPHQ049825L
OOSEV048118L/OOSEV048117N

H39
Check Virtual Engine Sound
System
This message is displayed when
there is a problem with the Virtual
Engine Sound System (VESS).
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Unplug vehicle to start
(Plug-in hybrid vehicle)
This message is displayed when you
start the engine without unplugging
the charging cable. Unplug the
charging cable, and then start the
vehicle.
Charging stopped.
Check the AC charger
This warning message is displayed
when charging is stopped for the
reasons below:
- There is a problem with the exter-
nal AC charger
- The external AC charger stopped
charging
- The charging cable is damaged
In this case, check whether there is
any problem with the external AC
and charging cable.
OAEPHQ049828LOAEPHQ049829LOOSEV048131L

H40
D DR
RI
IV
VI
IN
NG
G
T
TH
HE
E
H
HY
YB
BR
RI
ID
D/
/P
PL
LU
UG
G-
-I
IN
N
H
HY
YB
BR
RI
ID
D
V
VE
EH
HI
IC
CL
LE
E
(
(C
CO
ON
NT
T.
.)
)
If the same problem occurs when
charging the vehicle with a normally
operating AC charger or genuine
HYUNDAI portable charger, we rec-
ommend that you have your vehicle
inspected by an authorized HYUNDAI
dealer.Charging stopped.
Check the cable connection
This warning message is displayed
when charging is stopped because
the charging connector is not correct-
ly connected to the charging inlet
In this case, separate the charging
connector and re-connect it and
check whether there is any problem
(external damage, foreign sub-
stances, etc.) with the charging con-
nector and charging inlet.
If the same problem occurs when
charging the vehicle with a replaced
charging cable or genuine HYUNDAI
portable charger, we recommend that
you have your vehicle inspected by
an authorized HYUNDAI dealer.
Remaining time
(Plug-in hybrid vehicle)
This message is displayed to notify
the remaining time to fully charge the
battery.
OAEPHQ049818LOOSEV048196L

H43
Maintaining Hybrid mode to
continue heating or air condi-
tioning (Plug-in hybrid vehicle)
This message is displayed when the
vehicle maintains the HEV mode to
allow heating or air conditioning. The
mode does not change when the
driver presses the [HEV] button to
switch from the HEV mode to EV
mode while the heating and cooling
system is on and the coolant temper-
ature is below 7 °F (-14 °C).
Low/High System Temp.
Maintaining Hybrid mode
(Plug-in hybrid vehicle)
This message is displayed when the
temperature of the high-voltage
(hybrid) battery is too low or too high.
This warning message is to protect
the battery and the hybrid system.
Low/High System Temp.
Switching to Hybrid mode
(Plug-in hybrid vehicle)
This message is displayed when the
temperature of the high-voltage
(hybrid) battery is too low or high.
This warning message is to protect
the battery and the hybrid system.
OAEPHQ049841LOAEPHQ049834L/OAEPHQ049835LOAEPHQ049836L/OAEPHQ049837L

H49
High Voltage Battery System
*1: Located in the engine compartment
*
2: Located under the rear seats
OAEPH088005
OAEQ046019
■ HPCU (Hybrid Power Control Unit)*1
■ High Voltage Battery System*2
Never touch orange colored or
high voltage labeled compo-
nents, including wires, cables,
and connections. When the insu-
lators or covers are damaged or
removed, severe injury or death
from electrocution may occur.
WARNING
While replacing the fuses in the
engine compartment, never
touch the HPCU. The HPCU car-
ries high voltage. Touching the
HPCU may result in electrocu-
tion, serious injury, or death.
WARNING
In the hybrid system, the hybrid
battery uses high voltage to
operate the motor and other
components. This high voltage
hybrid battery system can be
very dangerous. Never touch the
hybrid system. When you touch
the hybrid battery system, seri-
ous injury or death may occur.
WARNING
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