2018 Hyundai Sonata Plug-in Hybrid Owner's Manual

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Convenient features of your vehicle
When the gauge indicator gets out
of the normal range, toward the
"H" position, it indicates overheat-
ing of the engine. It may damage
the engine.
Do not continue driving with the
overheated engine. For further
information, refer to "If the Engine
Overheats" in the chapter 6.
Outside temperature gauge
This gauge indicates the current out-
side air temperatures by 1°F (1°C).
- Temperature range : -40°F ~ 140°F
(-40°C ~ 60°C)The outside temperature on the dis-
play may not change immediately
like a general thermometer to pre-
vent the driver from being inattentive.
To change the temperature unit from
°F to °C or °C to °F, it can be select-
ed by one of the following methods :
- Go to User Settings Mode
➝Other
Features ➝Temperature Unit.
- Press the AUTO button for 3 sec- onds while pressing the OFF button.
(Automatic climate control system)
Both the temperature unit on the
cluster LCD display and climate con-
trol screen will change.
NOTICE
Never remove the radiator cap or
reservoir cap when the engine is
hot. The engine coolant is under
pressure and could severely
burn. Wait until the engine is cool
before adding coolant to the
reservoir.
CAUTIONOLF046565N/OLF046564N
■ Type A ■Type B

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Convenient features of your vehicle
3
Odometer
The odometer indicates the total dis-
tance that the vehicle has been driv-
en and should be used to determine
when periodic maintenance should
be performed.
- Odometer range : 0 ~ 999999 milesor kilometers.
Warning and indicator lights
Ready Indicator
This indicator illuminates :
When the vehicle is ready to be driven.
- ON : Normal driving is possible.
- OFF : Nor mal driving is not possible,
or a problem has occurred.
- Blinking : Limp home driving mode.
When the ready indicator goes OFF or
blinks, there is a problem with the sys-
tem. In this case, have your vehicle
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 normally flashes on momentar-ily for 3 seconds at Ready On and
should then stay 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.
OLF046559N/OLF0436558N
■ Type A ■Type B

3-68
Convenient features of your vehicle
EV Mode Indicator
This indicator illuminates when the
vehicle is driven by the electric motor.
Charging CableConnection Indicator (Plug-in hybrid)
This indicator illuminates in red when
the charging cable is connected.
Air bag Warning Light
This warning light illuminates:
When the Engine Start/Stop button
is in the ON position.
- It illuminates for approximately 6seconds and then goes off.
When there is a malfunction with the SRS, have the vehicle inspect-
ed by an authorized HYUNDAI
dealer.
Seat Belt Warning Light
This warning light informs the driver
that the seat belt is not fastened.
For more information, refer to the
"Seat Belts" in chapter 2.
EV

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Convenient features of your vehicle
3
Parking Brake & BrakeFluid Warning Light
This warning light illuminates:
When the Engine Start/Stop button
is in the ON position
- It illuminates for approximately 3seconds and then goes off.
- 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 illuminateswith the parking brake released, it
indicates the brake fluid level in
reservoir is low.
When the regenerative brake does not operate.
When only one of the dual system is working, the stopping distance
will be increased
If the brake fluid level in the reser-
voir is low:
1. Drive carefully to the nearest safe location and stop your vehicle.
2. Stop the vehicle, immediately check the brake fluid level and add
fluid, if necessary (For more infor-
mation, refer to "Brake Fluid" in
the chapter 7). Then check all
brake components for fluid leaks.
When any leak in the brake system
is still detected, when the warning
light remains ON, or when the
brakes do not properly operate, do
not drive the vehicle.
Have the vehicle towed to an
authorized HYUNDAI dealer and
inspected.
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 systems fails.
With only one of the dual systems
working, longer pedal travel and
greater pedal pressure should be
required. Also, the vehicle will not stop in a
short distance only with one of the
brake systems.
If the brakes fail, while driving, shift
to a lower gear for additional engine
braking and stop the vehicle as soon
as it is safe to do so.
(red color)
Driving the vehicle with a warn-
ing light ON is dangerous. If the
Parking Brake & Brake Fluid
Warning Light illuminates with
the parking brake released, it
indicates that the brake fluid
level is low.
In this case, have the vehicle
inspected by an authorized
HYUNDAI dealer.
WARNING

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Convenient features of your vehicle
Regenerative BrakeWarning Light
This warning light illuminates :
When the regenerative brake does
not operate and the brake does not
perform well. This causes the Brake
Warning light (red) and Regenerative
Brake Warning Light (yellow) to illu-
minate simultaneously.
In this case, drive safely and have
your vehicle inspected by an author-
ized HYUNDAI dealer.
Anti-lock Brake System(ABS) Warning Light
This warning light illuminates in
one of the following situations:
When the Engine Start/Stop button
is in the ON position.
- It illuminates for approximately 3seconds and then goes off.
When there is a malfunction with the ABS (The normal braking sys-
tem is still operational without the
assistance of the anti-lock brake
system).
In this case, have the vehicle
inspected by an authorized
HYUNDAI dealer.
Electronic Brake forceDistribution (EBD)System Warning Light
These two warning lights illuminate
at the same time while driving:
When the ABS and regular brake
system may not work normally.
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
(yellow color)
(red color)
The operation of the brake
pedal may be more difficult than
normal and the braking dis-
tance can increase.
WARNING

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Convenient features of your vehicle
3
Information
When the ABS warning light illumi-
nates, or when both the ABS and the
Parking Brake & Brake Fluid warning
lights illuminate, the speedometer, the
odometer, or the tripmeter may not
properly operate. Also, the EPS warn-
ing light may illuminate and the steer-
ing effort may increase or decrease.
In this case, have the vehicle inspected
by an authorized HYUNDAI dealer as
soon as possible.
Electronic Parking Brake (EPB) WarningLight (if equipped)
This warning light illuminates:
When the Engine Start/Stop button
is in the ON position.
- It illuminates for approximately 3seconds and then goes off.
When there is a malfunction with the EPB.
In this case, have the vehicle
inspected by an authorized
HYUNDAI dealer.
Information
The Electronic Parking Brake (EPB)
warning light may illuminate, when
the Electronic Stability Control (ESC)
indicator illuminates due to ESC mal-
function (This does not indicate EPB
malfunction).
i
i
When both the ABS and Parking
Brake & Brake Fluid Warning
Lights are on, the brake system
will not work normally and you
may experience an unexpected
and dangerous situation during
sudden braking.
In this case, avoid high speed
driving and abrupt braking.
Have the vehicle inspected by
an authorized HYUNDAI dealer
as soon as possible.
WARNINGEPB

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Convenient features of your vehicle
Malfunction IndicatorLamp (MIL)
This warning light illuminates in
one of the following situations:
When you turn ON the Engine
Start/Stop button.
- It remains on until the engine isstarted.
When there is a malfunction with the emission control system.
In this case, have the vehicle
inspected by an authorized
HYUNDAI dealer. Driving with the Malfunction
Indicator Lamp (MIL) on may cause
damage to the emission control
systems which could affect dri-
vability and/or fuel economy.
When the Malfunction Indicator
Lamp (MIL) illuminates, the catalyt-
ic converter is possibly damaged,
resulting in loss of engine power.
In this case, have the vehicle
inspected by an authorized
HYUNDAI dealer as soon as possi-
ble.
Charging System
Warning Light
When this warning light illuminates
while 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 win-
dows. Keep running the engine.
Have the vehicle inspected by an
authorized HYUNDAI dealer as soon
as possible.
NOTICE
NOTICE

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Convenient features of your vehicle
3
Engine Oil PressureWarning Light
This warning light illuminates:
When the Engine Start/Stop button
is in the ON position.
- It remains on until the engine isstarted.
When the engine oil pressure is low.
When the engine oil pressure is low,
follow the below procedures:
1.Carefully drive to the nearest safe location and stop your vehicle.
2.Turn OFF the engine and check the engine oil level (For more
information, refer to the "Engine
Oil" in the chapter 7) . If the level
is low, add engine oil.
When the warning light remains
ON after adding engine oil and
restarting the engine, or when
engine oil refilling is unavailable,
turn OFF the engine. These indi-
cate a mechanical problem, which
needs to be repaired before driving. In this case, we recommend that
you have your vehicle inspected by
an authorized HYUNDAI dealer.
When the Engine Oil Pressure
Warning Light illuminates, turn
OFF the engine, and check the
engine oil level, in an attempt to
prevent severe engine damage.
These should be done as soon as
it is safe to do so. When the oil
level is low, add the engine oil to
the proper level and start the
engine again. When the light stays
ON, while running the engine,
immediately turn OFF the engine.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
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 "E (Empty)" may
cause the engine to misfire and
damage the catalytic converter.
Driving the vehicle in EV mode after fuel runs out may damage
the hybrid battery.
NOTICE
NOTICE