2018 Hyundai Sonata Plug-in Hybrid Owner's Manual

H34
D
DR
RI
IV
V I
IN
N G
G
T
T H
H E
E
H
H Y
Y B
BR
RI
ID
D /
/P
P L
LU
U G
G-
-I
IN
N
H
H Y
Y B
BR
RI
ID
D
V
V E
EH
H I
IC
C L
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E
(
( C
C O
O N
NT
T.
.)
)
Wait until fuel door opens
(Plug-in hybrid)
The 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.
• 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.
Fuel door open(Plug-in hybrid)
The 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.
i
OLFH047785NOLFH047784N

H35
Check fuel door(Plug-in hybrid)
The message is displayed when the
vehicle is driven with the fuel filler
door opened. Close the fuel filler
door and then start driving.
Park with engine On to charge battery(Plug-in hybrid)
The 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.
EV / HEV/ CHG modes (Plug-in hybrid)
A corresponding message is displayed
when a mode is selected by pressing
the HEV button
OLFH047787N
OLFH047786N
OLFH047783N
OLFH047781N/OLFH047782N

H36
D
DR
RI
IV
V I
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N G
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T H
H E
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H Y
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BR
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ID
D /
/P
P L
LU
U G
G-
-I
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N
H
H Y
Y B
BR
RI
ID
D
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Battery charged. Maintaining
current mode/Low battery.Maintaining Hybrid mode(Plug-in hybrid)
A corresponding message is dis-
played when the high-voltage
(hybrid) battery is fully charged or
nearly discharged.
Charging complete.Switching to Hybrid mode (Plug-in hybrid)
The message is displayed when the
high-voltage (hybrid) battery is fully
charged, and when the mode is
changed to the HEV mode.
Low/High System Temp.Maintaining hybrid mode(Plug-in hybrid)
A corresponding message is dis-
played when the temperature of the
high-voltage (hybrid) battery is too
low or too high. This warning mes-
sage is to protect the battery and the
hybrid system.
OLFH047791N/OLFH047792NOLFH047790N
OLFH047788N/OLFH047789N

H37
Low/High System Temp.Switching to hybrid mode (Plug-in hybrid)
A corresponding message is dis-
played 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 tolubricate engine (Plug-in hybrid)
To prevent damage of the hybrid
lubrication system when the hybrid
system has not been started for a
long time.
- When the hybrid system is ON after
5 weeks of being turned off, the
hybrid system maintenance mode
will operate.
- When the hybrid system mainte- nance mode is operated, HEV
mode will be kept on after the
hybrid system is ON and the above
message will be displayed on the
cluster. If you press the HEV switch to shift
EV mode during engine mainte-
nance mode, the above message will
appear due to priority of the hybrid
system maintenance mode.OLFH047793N/OLFH047794N
OLFP047768N

H38
Maintaining Hybrid mode to pro-tect engine (Plug-in hybrid)
The hybrid system will automatically
stop after sufficient heating. (If the
hybrid system is turned OFF without
sufficient heating, the hybrid system
maintenance mode will be operated
once more.
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)
■ Type A■ Type B
OLFH047778L/OLFH047214L
■ Type A■ Type B
OLFH047768L/OLFH047216L
OLFP047769N
D
DR
RI
IV
V I
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H E
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H Y
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ID
D /
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P L
LU
U G
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N
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H Y
Y B
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H39
Power Assist
Both the motor and the engine power
are used to drive the vehicle.
(Battery & Energy ➞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)
■ Type A■ Type B
OLFH047769L/OLFH047218L
■ Type A■ Type B
OLFH047770L/OLFH047220L
■ Type A■ Type B
OLFH047771L/OLFH047222L

H40
D
DR
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IV
V I
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N G
G
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T H
H E
E
H
H Y
Y B
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ID
D /
/P
P L
LU
U G
G-
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N
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H Y
Y B
BR
RI
ID
D
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( C
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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)
■ Type A■ Type B
OLFH047772L/OLFH047216L
■ Type A■ Type B
OLFH047773L/OLFH047220L
■ Type A■ Type B
OLFH047774L/OLFH047224L

H41
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)
■ Type A■ Type B
OLFH047775L/OLFH047226L
■ Type A■ Type B
OLFH047776L/OLFH047226L
■ Type A■ Type B
OLFH047777L/OLFH047218L