2018 Hyundai Ioniq Plug-in Hybrid engine coolant

1-6
Your vehicle at a glance
E
EN
N G
GI
IN
N E
E
C
C O
O M
M P
PA
A R
RT
TM
M E
EN
N T
T
-
-
H
H Y
Y B
BR
RI
ID
D
V
V E
EH
H I
IC
C L
LE
E
1. Engine oil filler cap ...........................7-16
2. Engine oil dipstick .............................7-16
3. Engine coolant cap ...........................7-19
4. Engine coolant reservoir ...................7-18
5. Inverter coolant reservoir ..................7-18
6. Brake fluid reservoir ..........................7-22
7. Air cleaner.........................................7-24
8. Windshield washer fluid reservoir .....7-23
9. Fuse box ...........................................7-51
OAE076001
The actual engine compartment in the vehicle may differ from the illustration.

1-11
Your vehicle at a glance
1
E
EN
N G
GI
IN
N E
E
C
C O
O M
M P
PA
A R
RT
TM
M E
EN
N T
T
-
-
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
LE
E
1. Engine oil filler cap ...........................7-16
2. Engine oil dipstick .............................7-16
3. Engine coolant cap ...........................7-19
4. Engine coolant reservoir ...................7-18
5. Inverter coolant reservoir ..................7-18
6. Brake fluid reservoir ..........................7-22
7. Air cleaner.........................................7-24
8. Windshield washer fluid reservoir .....7-23
9. Fuse box ...........................................7-51
❈ The 12 volt battery is located in the lug-
gage compartment.
OAEPH076001
The actual engine compartment in the vehicle may differ from the illustration.

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

3-76
Low Pressure
This message is displayed if the tire
pressure is low. The corresponding
tire on the vehicle will be illuminated.
For more details, refer to "Tire
Pressure Monitoring System
(TPMS)" in chapter 6.
Turn on FUSE SWITCH/Turn FUSE SWITCH On
Either message is displayed if the
fuse switch located on the fuse box
under the steering wheel is OFF.
You should turn the fuse switch on.
For more details, refer to "Fuses"
in chapter 7.
Low Washer Fluid (if equipped)
This message is displayed if the
washer fluid level in the reservoir is
nearly empty.
Have the washer fluid reservoir
refilled.
Low Fuel
This message is displayed if the fuel
tank is almost out of fuel.
When this message is displayed, the
low fuel level warning light in the
cluster will come on.
It is recommended to look for the
nearest fueling station and refuel as
soon as possible.
Add fuel as soon as possible.
Engine has overheated / Engineoverheated
Either message is displayed when
the engine coolant temperature is
above 248°F (120°C). This means
that the engine is overheated and
may be damaged.
If your vehicle is overheated, refer
to "Overheating" in chapter 6.
Convenient features of your vehicle
■ Type B
■
Type A
OAE046114L/OAE046115L
OLFH044149L/OAEPH047564N

3-80
Stop vehicle to charge battery/Park with engine On to chargebattery
Either message is displayed when
the hybrid battery power (SOC) level
is low.
In this case, park the vehicle in a
safe location and wait until the hybrid
battery is charged.
Refuel to prevent Hybrid batterydamage
This message is displayed when the
fuel tank is nearly empty.
You should refill the fuel tank to pre-
vent hybrid battery damage.
Refill inverter coolant
This message is displayed when the
inverter coolant is nearly empty.
You should refill the inverter coolant.
Convenient features of your vehicle
OLFH044242L
OLFH044244L
OLFH044232L/OAEPH047561N

3-104
Convenient features of your vehicle
The trip computer is a microcomput-
er-controlled driver information sys-
tem that displays information related
to driving.
Information
Some driving information stored in the
trip computer (for example Average
Vehicle Speed) resets if the battery is
disconnected.
Trip modes
To change the trip mode, toggle the
" , " switch on the steering wheel.
i
T
T R
R I
IP
P
C
C O
O M
M P
PU
U T
TE
ER
R
(
( H
H Y
Y B
BR
RI
ID
D
V
V E
EH
H I
IC
C L
LE
E )
)




(Only for cluster type A)


Digital Speedometer
Driving Style
Energy Flow
Engine Coolant Temperature (Only for cluster type B)
OAE046402
■
■
■
■
T
T
T
T
y
y
y
y
p
p
p
p
e
e
e
e




A
A
A
A
■
■
■
■
T
T
T
T
y
y
y
y
p
p
p
p
e
e
e
e




B
B
B
B
■
■
■
■
T
T
T
T
y
y
y
y
p
p
p
p
e
e
e
e




C
C
C
C

3-108
Convenient features of your vehicle
Driving style
The driving style is displayed when
you are driving in ECO mode.
When you drive in SPORT mode,
each driving category will be dis-
played with "--".
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.
For more information, refer to HEV
Energy Flow in the "Hybrid
System Overview" provided in
front of the owner's manual.
Engine coolant temperature
This gauge indicates the tempera-
ture of the engine coolant when the
engine is running.
When the gauge indicator gets out
of the normal range, toward the "H
(Hot)" position, it indicates over-
heating of the engine. It may dam-
age the engine.
Do not continue driving with the
overheated engine. For further
information, refer to "If the Engine
Overheats" in the chapter 6.
NOTICE
OAE046148L/OAE046124L
■Type A■Type B■Type A■Type B
OAE046149L/OAEQ046001LOAE046125L
■Type B

3-109
Convenient features of your vehicle
3
The trip computer is a microcomput-
er-controlled driver information sys-
tem that displays information related
to driving.
Information
Some driving information stored in the
trip computer (for example Average
Vehicle Speed) resets if the battery is
disconnected.
Trip modes
For cluster type AFor cluster type B
i
T T
R
R I
IP
P
C
C O
O M
M P
PU
U T
TE
ER
R
(
( 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
LE
E )
)




(Only for cluster type A)


Digital Speedometer
Range
(Electric/Gasoline)
Driving Style
Energy Flow





Range
(Electric/Gasoline)
Digital Speedometer
Driving Style
Energy Flow
Engine Coolant Temperature