2018 Hyundai Ioniq Hybrid Owner's Manual

H39
Wait until fuel door opens
(Plug-in hybrid vehicle)
This message is displayed when you
attempt to open the fuel filler door
with the fuel tank pressurized. Wait
until the fuel tank is depressurized.
Information
It may take up to 20 seconds to open
fuel filler door.
Check fuel door
(Plug-in hybrid vehicle)
This message is displayed when
there is a problem with the fuel filler
door. Such as, when the fuel filler
door does not open after 20 seconds
at freezing temperature.
Information
When the fuel filler door is frozen and
does not open after 20 seconds at
freezing temperature, slightly tap the
fuel filler door and then attempt to
open it. In other cases, we recommend
that you have your vehicle inspected
by an authorized HYUNDAI dealer.
Fuel door open
(Plug-in hybrid vehicle)
This message is displayed when the
fuel filler door opens after the fuel
tank is depressurized. If this mes-
sage is displayed, you can refuel the
fuel tank.
ii
OAEPH047201LOAEPH047526LOAEPH047525L

H40
Check fuel door
(Plug-in hybrid vehicle)
This message is displayed when the
vehicle is driven with the fuel filler
door opened. Close the fuel filler
door and then start driving.
Shift to P to charge
(Plug-in hybrid vehicle)
This message is displayed when the
charging connector is plugged with
the shift lever in R (Reverse), N
(Neutral) or D (Drive). Move the shift
lever to P (Park) and re-start the
charging process.
Charger Error!
(Plug-in hybrid vehicle)
This message is displayed when
there is a problem with the charger.
OAEPH047202LOAEE046134
DRIVING THE HYBRID/PLUG-IN HYBRID VEHICLE (CONT.)
OAEPH047526L

H41
Switching to Hybrid mode to
allow heating or air condition-
ing (Plug-in hybrid vehicle)
This message is displayed when the
vehicle automatically switches to
HEV mode to allow heating or air
conditioning. It is when the coolant
temperature is low (below -14°C)
and the driver turns on the heating or
cooling system.
If the coolant temperature gets high-
er than -14°C or the driver turns off
the heating or cooling system the
vehicle returns to its default (EV)
mode.
Maintaining Hybrid mode to
allow heating or air condition-
ing (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 [EV/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 -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.
OAEPH047207LOAEPH047527LOAEPH047203L/OAEPH047204L

H42
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.
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
while the ignition switch is in the ON
position.
Maintaining Hybrid mode to pro-
tect engine (Plug-in hybrid vehi-
cle)
This message is displayed when the
[EV/HEV] button is pressed but it is
impossible to switch from the HEV
mode to EV mode due to engine
lubrication.
OAEPH047530LOAEPH047528L
DRIVING THE HYBRID/PLUG-IN HYBRID VEHICLE (CONT.)
OAEPH047205L/OAEPH047206L

H43
Exit SPORT to switch to electric
mode (Plug-in hybrid vehicle)
This message is displayed when
[EV/HEV] button is pressed but it is
impossible to switch from the HEV
mode to EV mode because the
SPORT mode is engaged.
Energy Flow
The hybrid system informs the driv-
ers its energy flow in various operat-
ing modes. While driving, the current
energy flow is specified in 11 modes.
Vehicle Stop
The vehicle is stopped.
(No energy flow)
EV Propulsion
Only the motor power is used to drive
the vehicle.
(Battery ➞Wheel)OAEPH047531L
OAE046149L/OAEQ046001L
■Type A■Type B
OAE046150L/OAEQ046020L
■Type A■Type B

H44
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)
DRIVING THE HYBRID/PLUG-IN HYBRID VEHICLE (CONT.)
OAE046151L/OAEQ046021L
■Type A■Type B
OAE046152L/OAEQ046022L
■Type A■Type B
OAE046153L/OAEQ046005L
■Type A■Type B

H45
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)
OAE046152L/OAEQ046004L
■Type A■Type B
OAE046150L/OAEQ046002L
■Type A■Type B
OAE046154L/OAEQ046023L
■Type A■Type B

H46
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)
DRIVING THE HYBRID/PLUG-IN HYBRID VEHICLE (CONT.)
OAE046155L/OAEQ046024L
■Type A■Type B
OAE046155L/OAEQ046007L
■Type A■Type B
OAE046151L/OAEQ046003L
■Type A■Type B