2018 Hyundai Ioniq Hybrid stop start

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Convenient features of your vehicle
Malfunction Indicator
Lamp (MIL)
This warning light illuminates:
• Once you turn the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3
seconds and then goes off.
• When there is a malfunction with
the emission control system.
In this case, we recommend that
you have the vehicle inspected by
an authorized HYUNDAI dealer.
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, we recommend that
you have the vehicle inspected 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 windows.
Keep running the engine.
We recommend that you 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 Pressure
Warning 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 informa-
tion, refer to “Engine Oil” in chap-
ter 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, we recommend that you
have the vehicle inspected by an
authorized HYUNDAI dealer as
soon as possible.• If the engine does not stop
immediately 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, we recommend that you
have the 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 "0 or E" can cause the
engine to misfire and damage the
catalytic converter (if equipped).
NOTICE
NOTICE

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Convenient features of your vehicle
Engine Coolant
Temperature Warning
Light
This warning light illuminates:
• When the engine coolant temper-
ature is above 120°C (248°F). This
means that the engine is overheat-
ed and may be damaged.
If your vehicle is overheated, refer
to “Overheating” in chapter 6.
Overspeed Warning
Light (if equipped)
This warning light blinks:
• When you drive the vehicle more
than 120 km/h.
- This is to prevent you from driving
your vehicle with overspeed.
- The overspeed warning chime
also sounds for approximately 5
seconds.
Master Warning Light
This indicator light illuminates:
• When there is a malfunction in oper-
ation in any of the following systems:
- Low washer fluid (if equipped)
- Exterior lamp malfunction
- Blind Spot Detection (BSD) mal-
function (if equipped)
- Autonomous Emergency Braking
(AEB) malfunction (if equipped)
- Smart cruise control malfunction
(if equipped)
- Tire Pressure Monitoring System
(TPMS, if equipped)
- Service reminder
To identify the details of the warning,
look at the LCD display.
Low Tire Pressure
Warning Light
(if equipped)
This warning light illuminates:
• Once you turn the ignition switch or
Engine Start/Stop button to the ON
position.
- It illuminates for approximately 3
seconds and then goes off.
• When one or more of your tires are
significantly underinflated.
For more information, refer to
“Tire Pressure Monitoring System
(TPMS)” in chapter 6.
120km/h

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Convenient features of your vehicle
3
This warning light remains ON
after blinking for approximately 60
seconds, or repeatedly blinks ON
and OFF in 3 second intervals:
• When there is a malfunction with
the TPMS.
In this case, we recommend that
you have the vehicle inspected by
an authorized HYUNDAI dealer as
soon as possible.
For more information, refer to
“Tire Pressure Monitoring System
(TPMS)” in chapter 6.
Electronic Stability
Control (ESC) Indicator
Light
This indicator light illuminates:
• Once you turn the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3
seconds and then goes off.
• When there is a malfunction with
the ESC system.
In this case, we recommend that
you have the vehicle inspected by
an authorized HYUNDAI dealer.
This indicator light blinks:
• While the ESC is operating.
For more information, refer to
“Electronic Stability Control (ESC)”
in chapter 5.
Electronic Stability
Control (ESC) OFF
Indicator Light
This indicator light illuminates:
• Once you turn the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately
3 seconds and then goes off.
• When you deactivate the ESC sys-
tem by pressing the ESC OFF but-
ton.
For more information, refer to
“Electronic Stability Control (ESC)”
in chapter 5.
Safe Stopping
•The TPMS cannot alert you to
severe and sudden tire damage
caused by external factors.
•If you notice any vehicle insta-
bility, immediately take your
foot off the accelerator pedal,
apply the brakes gradually with
light force, and slowly move to
a safe position off the road.
WARNING

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Convenient features of your vehicle
Immobilizer Indicator
Light (without smart
key) (if equipped)
This indicator light illuminates:
• When the vehicle detects the
immobilizer in the key with the igni-
tion switch in the ON position.
- At this time, you can start the
engine.
- The indicator light goes off after
starting the engine.
This indicator light blinks:
• When there is a malfunction with
the immobilizer system.
In this case, we recommend that
you have the vehicle inspected by
an authorized HYUNDAI dealer.
Immobilizer Indicator
Light (with smart key)
(if equipped)
This indicator light illuminates for
up to 30 seconds:
• When the vehicle detects the
smart key in the vehicle with the
Engine Start/Stop button in the
ACC or ON position.
- At this time, you can start the
engine.
- The indicator light goes off after
starting the engine.
This indicator light blinks for a few
seconds:
• When the smart key is not in the
vehicle.
- At this time, you cannot start the
engine.
This indicator light illuminates for
2 seconds and goes off:
• If the smart key is in the vehicle
and the Engine Start/Stop button is
ON, but the vehicle cannot detect
the smart key.
In this case, we recommend that
you have the vehicle inspected by
an authorized HYUNDAI dealer.
This indicator light blinks:
• When the battery voltage of the
smart key is low.
- At this time, you can not start the
engine. However, you can start
the engine if you press the
Engine Start/Stop button with the
smart key.(For more informa-
tion, refer to "Starting the
Engine" in chapter 5).
• When there is a malfunction with
the immobilizer system.
In this case, we recommend that
you have the vehicle inspected by
an authorized HYUNDAI dealer.

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Convenient features of your vehicle
LED Headlamp Warning
Light (if equipped)
This warning light illuminates:
• When you turn the ignition switch
or the Engine Start/Stop button to
the ON position.
• When there is a malfunction with
the LED headlamp.
In this case, we recommend that you
have the vehicle inspected by an
authorized HYUNDAI dealer.
This warning light blinks:
When there is a malfunction with a
LED headlamp related part.
In this case, we recommend that you
have the vehicle inspected by an
authorized HYUNDAI dealer.
Continuous driving with the LED
Headlamp Warning Light on or
blinking can reduce LED head-
lamp life.
Cruise
Indicator Light
(if equipped)
This indicator light illuminates:
• When the cruise control system is
enabled.
For more information, refer to
“Cruise Control System” in chap-
ter 5.
Cruise SET Indicator
Light (if equipped)
This indicator light illuminates:
• When the cruise control speed is
set.
For more information, refer to
“Cruise Control System” in chap-
ter 5.
Speed Limiter Indicator
Light (if equipped)
This indicator light illuminates
when:
• When the speed limiter is enabled.
NOTICE
■Type A■Type B

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LCD display messages
Shift to P
(for smart key system)
This warning message is displayed if
you try to turn off the vehicle with the
shift lever in the N (Neutral) position.
At this time, the Engine Start/Stop
button turns to the ACC position (If
you press the Engine Start/Stop but-
ton once more, it will turn to the ON
position).
Low Key Battery
(for smart key system)
This warning message is displayed if
the battery of the smart key is dis-
charged while changing the Engine
Start/Stop button to the OFF posi-
tion.
Press START button while turn-
ing wheel (for smart key system)
This warning message is displayed if
the steering wheel does not unlock
normally when the Engine Start/Stop
button is pressed.
You should press the Engine
Start/Stop button while turning the
steering wheel right and left.
Check Steering Wheel Lock
System (for smart key system)
This warning message is displayed if
the steering wheel does not lock nor-
mally while the Engine Start/Stop but-
ton changes to the OFF position.
Press brake pedal to start vehicle
(for smart key system)
This warning message is displayed if
the Engine Start/Stop button changes
to the ACC position twice by pressing
the button repeatedly without depress-
ing the brake pedal.
You can start the vehicle by depressing
the brake pedal.
Key not in vehicle
(for smart key system)
This warning message is displayed if
the smart key is not in the vehicle
when you press the Engine Start/Stop
button.
When attempting to start the vehicle,
always have the smart key with you.
Convenient features of your vehicle

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Convenient features of your vehicle
Key not detected
(for smart key system)
This warning message is displayed if
the smart key is not detected when you
press the Engine Start/Stop button.
Press START button again
(for smart key system)
This message is displayed if you
were unable to start the vehicle when
the Engine Start/Stop button was
pressed.
If this occurs, attempt to start the
engine by pressing the Engine
Start/Stop button again.
If the warning message appears
each time you press the Engine
Start/Stop button, we recommend
that you have the vehicle inspected
by an authorized HYUNDAI dealer.
Press START button with key
(for smart key system)
This warning message is displayed if
you press the Engine Start/Stop but-
ton while the warning message “Key
not detected” is displayed.
At this time, the immobilizer indicator
light blinks.
Check BRAKE SWITCH fuse
(for smart key system)
This warning 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
(for smart key system)
This warning message is displayed if
you try to start the engine with the
shift lever not in the P (Park) position.
Door, Hood, Tailgate Open
This warning is displayed indicating
which door, or hood, or tailgate is
open.
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Before driving the vehicle, you
should confirm that the door/
hood/tailgate is fully closed.
Also, check there is no door
/hood/tailgate open warning light
or message displayed on the
instrument cluster.
CAUTION