2018 Hyundai Ioniq Plug-in Hybrid check engine light

3-66
Malfunction IndicatorLamp (MIL)
This warning light illuminates:
When you place the Engine Start/
Stop button to the ON position.
- It illuminates for approximately 3seconds and then goes off.
When there is a malfunction with the emission control system.
In this case, have the vehicle inspect-
ed by an authorized HYUNDAI deal-
er.
Driving with the Malfunction
Indicator Lamp (MIL) on may
cause damage to the emission
control system which could affect
drivability and/or fuel economy. If the Malfunction Indicator Lamp
(MIL) illuminates, potential catalyt-
ic converter damage is possible
which could result in loss of
engine power.
In this case, have the vehicle inspect-
ed by an authorized HYUNDAI dealer
as soon as possible.
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.
Engine Oil PressureWarning Light
This warning light illuminates:
When the engine oil pressure is low.
If the engine oil pressure is low:
1. Drive carefully to the nearest safe
location and stop your vehicle.
2. Turn the engine off and check the engine oil level (For more details,
refer to "Engine Oil" in chapter 7) .
If the level is low, add oil as required.
If the warning light remains on
after adding oil or if oil is not avail-
able, have the vehicle inspected
by an authorized HYUNDAI dealer
as soon as possible.
NOTICE
NOTICE
Convenient features of your vehicle

3-67
Convenient features of your vehicle
If the engine does not stopimmediately after the Engine Oil
Pressure Warning Light is illumi-
nated, severe damage could
result.
If the warning light stays on while the engine is running, it
indicates that there may be seri-
ous engine damage or malfunc-
tion. In this case:
1. Stop the vehicle as soon as it is safe to do so.
2. Turn off the engine and check the oil level. If the oil level is
low, fill the engine oil to the
proper level.
3. Start the engine again. If the warning light stays on after the
engine is started, turn the
engine off immediately. In this
case, have the vehicle inspect-
ed by an authorized HYUNDAI
dealer.
Low Fuel LevelWarning 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" can cause the
engine to misfire and damage the
catalytic converter (if equipped).
Engine Coolant Temperature WarningLight
This warning light illuminates:
When the engine coolant temper-
ature is above 248°F (120°C). This
means that the engine is overheat-
ed and may be damaged.
If your vehicle is overheated, refer
to "Overheating" in chapter 6.
NOTICE
NOTICE
3

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Convenient features of your vehicle
SPORT Mode IndicatorLight
This indicator light illuminates
When the driver moves the shift
lever to S (Sport).
For more details, refer to "Dual
Clutch Transmission" in chapter 5.
ECO Mode Indicator Light
This indicator light illuminates:
When the driver moves the shift
lever to D (Drive).
For more details, refer to "Dual
Clutch Transmission" in chapter 5.
Autonomous Emergency Braking(AEB) Warning Light (if equipped)
This warning light illuminates :
When you place the Engine Start/
Stop button to the ON position.
- It illuminates for approximately 3seconds. (for cluster type B)
When the AEB system is turned off.
When the radar sensor or cover is blocked with dirt or snow. Check
the sensor and cover and clean
them by using a soft cloth.
When there is a malfunction with AEB. In this case, have your vehicle
inspected by an authorized dealer of
HYUNDAI.
Lane Keeping AssistSystem (LKAS)Indicator Light (if equipped)
This indicator light illuminates:
[Green] When you activate the lane
departure warning system by
pressing the LKAS button and all
of the system operating conditions
are satisfied.
[White] When system operating conditions are not satisfied or
when the sensor does not detect
the lane line.
[Yellow] When there is a malfunc- tion with the lane keeping assist
system.
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
For more information, refer to "Lane
Keeping Assist System (LKAS)" in
chapter 5.

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Press START button with key
This message is displayed if you
press the Engine Start/Stop button
while the warning message "Key not
detected" is displayed.
At this time, the immobilizer indicator
light blinks.
Check BRAKE SWITCH fuse
This message is displayed if the
brake switch fuse is disconnected.
You need to replace the fuse with a
new one before starting the engine.
If that is not possible, you can start
the engine by pressing the Engine
Start/Stop button for 10 seconds in
the ACC position.
Shift to P to start vehicle
This message is displayed if you try
to start the engine with the shift lever
not in the P (Park) position.
Door, Hood, Liftgate Open
This warning is displayed indicating
which door, or hood, or liftgate is
open.If the door/liftgate open warning is
blocked with another warning mes-
sage, an icon will appear on the top
of the LCD display.
Convenient features of your vehicle
OAE046165
Before driving the vehicle, you
should confirm that the door/
hood/liftgate is fully closed.
Also, check there is no door
/hood/liftgate open warning light
or message displayed on the
instrument cluster.
CAUTION
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■
Type A

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Convenient features of your vehicle
3
A device that requires a specific re-
charging method may not properly
re-charge with this USB charger. If
this is the case, use the specified
charger for your device.
This USB charging terminal will not
allow you to play your media on the
AVN unit. To connect your media to
the AVN unit, use the USB port in the
multi box and follow steps in the Car
Multimedia User's Manual that is
supplied with the vehicle.Wireless Cellular Phone
Charging System (if equipped)
There is a wireless cellular phone
charger inside the front console.
The system is available when all
doors are closed, and when the
Engine Start/Stop button is in the
ACC/ON/START position.
To charge a cellular phone
The wireless cellular phone charging
system charges only the Qi-enabled
cellular phones ( ). Read the label
on the cellular phone accessory
cover or visit your cellular phone
manufacturer’s website to check
whether your cellular phone supports
the Qi technology.
The wireless charging process starts
when you put a Qi-enabled cellular
phone on the wireless charging unit.
1. Remove other items, including thesmart key, from the wireless charg-
ing unit. If not, the wireless charg-
ing process may be interrupted.
2. The indicator light is orange when the phone is charging. The indica-
tor light turns green when phone
charging is complete.
3. You can turn ON or OFF the wire- less charging function in the user
settings mode on the instrument
cluster. For further information,
refer to the "LCD Display Modes"
in this chapter.
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5-4
Driving your vehicle
Before Entering the Vehicle
• Be sure all windows, outside mir-ror(s), and outside lights are clean
and unobstructed.
Remove frost, snow, or ice.
Visually check the tires for uneven wear and damage.
Check under the vehicle for any sign of leaks.
Be sure there are no obstacles behind you if you intend to back up.
Before Starting
Make sure the hood, the liftgate,and the doors are securely closed
and locked.
Adjust the position of the seat and steering wheel.
Adjust the inside and outside rearview mirrors.
Verify all the lights work.
Fasten your seatbelt. Check that all passengers have fastened their
seatbelts.
Check the gauges and indicators in the instrument panel and the mes-
sages on the instrument display
when the Engine Start/Stop button
is in the ON position.
Check that any items you are car- rying are stored properly or fas-
tened down securely.
CALIFORNIA PROPOSITION 65
WARNING
Engine exhaust and a wide vari-
ety of automobile components
including components found in
the interior furnishings in a
vehicle, contain or emit harmful
chemicals known to the State of
California to cause cancer and
birth defects and reproductive
harm. In addition, certain fluids
contained in vehicles and cer-
tain products of components
contain or emit chemicals
known to the State of California
to cause cancer and birth
defects or other reproductive
harm.WARNING
B B
E
EF
FO
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RE
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D
D R
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Driving your vehicleButton Position Action Notice
ON Press the Engine Start/Stop button while it is
in the ACC position without depressing the
brake pedal.
The warning lights can be checked before
the vehicle is started. Do not leave the Engine Start/Stop button in
the ON position when the vehicle is not in the
ready ( ) mode to prevent the battery from
discharging.
START
To start the vehicle, depress the brake pedal
and press the Engine Start/Stop button with
the shift lever in the P (Park) position. If you press the Engine Start/Stop button with-
out depressing the brake pedal, the vehicle
does not start and the Engine Start/Stop but-
ton changes as follows:
OFF
→ →
ACC →
→
ON →
→
OFF
However, the vehicle may start if you depress
the brake pedal within 0.5 second after press-
ing the Engine Start/Stop button from the OFF
position.

5-13
Driving your vehicle
5
But it differs from a conventional
automatic transmission because it
does not incorporate a torque con-
verter. Instead, the transition from
one gear to the next is managed by
clutch slip, especially at lower
speeds.
As a result, shifts are sometimes
more noticeable, and a light vibra-
tion can be felt as the transmission
shaft speed is matched with the
engine shaft speed. This is a nor-
mal condition of the dual clutch
transmission.
The dry-type clutch transfers torque more directly and provides
a direct-drive feeling which may
feel different from a conventional
automatic transmission. This may
be more noticeable when launch-
ing the vehicle from a stop or when
traveling at low, stop-and-go vehi-
cle speeds.
When rapidly accelerating from a lower vehicle speed, the engine
rpm may increase dramatically as
a result of clutch slip as the dual
clutch transmission selects the cor-
rect gear. This is a normal condi-
tion. When accelerating from a stop on
an incline, press the accelerator
smoothly and gradually to avoid
any shudder feeling or jerkiness.
When traveling at a lower vehicle speed, if you release the accelera-
tor pedal quickly, you may feel
engine braking before the trans-
mission changes gears. This
engine braking feeling is similar to
operating a manual transmission at
low speed.
When driving downhill, you may wish to move the gear shift lever to
Manual Shift mode and downshift
to a lower gear in order to control
your speed without using the brake
pedal excessively.
When you turn the vehicle on and off, you may hear clicking sounds
as the system goes through a self-
test. This is a normal sound for the
dual clutch transmission.
During the first 1000 miles (1,500 km), you may feel that the vehicle
may not be smooth when acceler-
ating at low speed. During this
break-in period, the shift quality
and performance of your new vehi-
cle is continuously optimized. To reduce the risk of serious
injury or death:
ALWAYS check the surround-
ing areas near your vehicle for
people, especially children,
before shifting a vehicle into
D (Drive) or R (Reverse).
Before leaving the driver's
seat, always make sure the
shift lever is in the P (Park)
position, then set the parking
brake, and place the Engine
Start/Stop button in the OFF
position. Unexpected and
sudden vehicle movement
can occur if these precautions
are not followed.
Do not use aggressive engine
braking (shifting from a high-
er gear to a lower gear) on
slippery roads. This could
cause the tires to slip and may
result in an accident.
WARNING