2020 Hyundai Ioniq Hybrid engine

H38
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 autho-
rised 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, 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.
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.
.)
)
OAEPHQ049819LOAEPHQ049820L

H39
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.
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.
OAEPHQ049821LOAEPHQ049823LOAEPHQ049822L

H41
Check Virtual Engine Sound
System
This message is displayed when
there is a problem with the Virtual
Engine Sound System (VESS).
In this case, we recommend that you
have your vehicle inspected by an
authorised 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.
OAEPHQ049829LOAEPH049649LOOSEV048131L

H46
Switching to Hybrid mode to
lubricate engine
(Plug-in hybrid vehicle)
This message is displayed when the
vehicle is automatically switched to
the HEV mode to lubricate engine
whilst the ignition switch is in the ON
position.
Maintaining Hybrid mode to
protect engine
(Plug-in hybrid vehicle)
This message is displayed when the
[HEV] button is pressed but it is
impossible to switch from the HEV
mode to EV mode due to engine
lubrication.
Exit SPORT mode to switch to
EV (Plug-in hybrid vehicle)
This message is displayed when
[HEV] button is pressed but it is
impossible to switch from the HEV
mode to EV mode because the
SPORT mode is engaged.
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.
.)
)
OAEPHQ049838LOAEPHQ049839L
OAEPHQ049840L

H48
Power Assist
Both the motor and the engine power
are used to drive the vehicle.
(Battery & Engine ➞Wheel)
Engine Only Propulsion
Only the engine power is used to
drive the vehicle.
(Engine ➞Wheel)
Engine Generation
When the vehicle is stopped, the
high-voltage battery is charged up by
the engine.
(Engine ➞Battery)
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.
.)
)
OAEPHQ049845LOAEPHQ049846LOAEPHQ049847L

H49
Regeneration
The high-voltage battery is charged
up by the regenerative brake system.
(Wheel ➞Battery)
Engine Brake
The engine braking is used to decel-
erate the vehicle.
(Wheel ➞Engine)
Power Reserve
The engine is simultaneously used to
drive the vehicle and to charge up
the high-voltage battery.
(Engine ➞Wheel & Battery)
OAEPHQ049848LOAEPHQ049849LOAEPHQ049850L

H50
Engine Generation/Motor Drive
The engine charges up the high-volt-
age battery. The motor power is used
to drive the vehicle.
(Engine ➞Battery ➞Wheel)
Engine Generation/Regeneration
The engine and regenerative brake
system charges up the high-voltage
battery.
(Engine & Wheel ➞Battery)
Engine Brake/Regeneration
The engine braking is simultaneously
used to decelerate the vehicle and to
charge up the high-voltage battery.
(Wheel ➞Engine & Battery)
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.
.)
)
OAEPHQ049851LOAEPHQ049852LOAEPHQ049853L

H51
Hybrid Vehicle Components
Safety Precautions
High Voltage Battery System
*1: Located in the engine compartment
*
2: Located under the rear seats
Never touch orange coloured or
high voltage labelled 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
Whilst 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
S SA
AF
FE
ET
TY
Y
P
PR
RE
EC
CA
AU
UT
TI
IO
ON
NS
S
F
FO
OR
R
H
HY
YB
BR
RI
ID
D
S
SY
YS
ST
TE
EM
M
OAEPH088005
OAEQ046019 ■ HPCU (Hybrid Power Control Unit) *
1
■ High voltage battery system *2
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 bat-
tery system, serious injury or
death may occur.
WARNING