2018 Hyundai Ioniq Hybrid heating

H41
Switching to Hybrid mode to
allow heating or air condition-
ing (Plug-in hybrid vehicle)
This message is displayed when the
vehicle automatically switches to
HEV mode to allow heating or air
conditioning. It is when the coolant
temperature is low (below -14°C)
and the driver turns on the heating or
cooling system.
If the coolant temperature gets high-
er than -14°C or the driver turns off
the heating or cooling system the
vehicle returns to its default (EV)
mode.
Maintaining Hybrid mode to
allow heating or air condition-
ing (Plug-in hybrid vehicle)
This message is displayed when the
vehicle maintains the HEV mode to
allow heating or air conditioning. The
mode does not change when the
driver presses the [EV/HEV] button
to switch from the HEV mode to EV
mode while the heating and cooling
system is on and the coolant temper-
ature is below -14°C.
Low/High System Temp.
Maintaining Hybrid mode
(Plug-in hybrid vehicle)
This message is displayed when the
temperature of the high-voltage
(hybrid) battery is too low or too high.
This warning message is to protect
the battery and the hybrid system.
OAEPH047207LOAEPH047527LOAEPH047203L/OAEPH047204L

2-22
Safety system of your vehicle
While the engine is running, push
either of the switches to warm the dri-
ver's seat or front passenger's seat.
During mild weather or under condi-
tions where the operation of the seat
warmer is not needed, keep the
switches in the OFF position.• Each time you push the switch, the
temperature setting of the seat is
changed as follows :
• When pressing the switch for more
than 1.5 seconds with the seat
warmer operating, the seat warmer
will turn OFF.
• The seat warmer defaults to the
OFF position whenever the ignition
switch is placed to the ON position.
Information
With the seat warmer switch in the
ON position, the heating system in the
seat turns off or on automatically
depending on the seat temperature.
Front air ventilation seat
(if equipped)
The air ventilation seats are provided
to cool the front seats by blowing air
through small vent holes on the sur-
face of the seat cushions and seat-
backs.
When the operation of the air ventila-
tion seat is not needed, keep the
switches in the OFF position.
While the engine is running, push the
switch to cool the driver's seat or the
front passenger's seat (if equipped).
i
OAE036015
OAE036016
OFF HIGH ( )
LOW ( ) MIDDLE ( )
→→
→
→

2-24
Safety system of your vehicle
Rear seat warmers (if equipped)
While the engine is running, push
either of the switches to warm the rear
seat.
During mild weather or under condi-
tions where the operation of the seat
warmer is not needed, keep the
switches in the OFF position.Each time you push the switch, the
temperature setting of the seat is
changed as follows :
The seat warmer defaults to the OFF
position whenever the ignition switch
is placed to the ON position.
Information
With the seat warmer switch in the
ON position, the heating system in the
seat turns off or on automatically
depending on the seat temperature.
Battery cooling duct
The hybrid battery cooling duct is
located on the left side of the rear
seats. The cooling duct cools down
the hybrid battery.
When the hybrid battery cooling duct
is blocked, the hybrid battery may be
overheated. Do not obstruct the cool-
ing duct with any other objects.
i
OFF →HIGH ( ) →LOW ( )
→
OAE036023
OAE036024
■Hybrid vehicle
OAEPH036024
■Plug-in hybrid vehicle

Trip computer (hybrid vehicle) ..........................3-96
Trip computer (plug-in hybrid vehicle) ..........3-101
Light .....................................................................3-107
Exterior lights ................................................................3-107
Welcome system ..........................................................3-113
Interior lights..................................................................3-114
Wipers and washers .........................................3-117
Windshield wipers ........................................................3-117
Windshield washers ....................................................3-119
Driver assist system ..........................................3-120
Rear view camera ........................................................3-120
Rear parking assist system ........................................3-121
Parking assist system .................................................3-124
Automatic climate control system ...................3-127
Automatic heating and air conditioning ..................3-128
Manual heating and air conditioning .......................3-129
System operation ..........................................................3-135
System maintenance ....................................................3-138
Windshield defrosting and defogging ............3-140
Automatic climate control system ............................3-140
Defogging logic ............................................................3-141
Auto defogging system ..............................................3-141
Defroster .........................................................................3-142
Climate control additional features.................3-144
Automatic ventilation ..................................................3-144
Clean air .........................................................................3-144
Sunroof inside air recirculation ...............................3-144
Storage compartment ........................................3-145
Center console storage ...............................................3-145
Glove box ........................................................................3-145
Sunglass holder ............................................................3-146
Multi box ........................................................................3-146
3

3-60
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

3-69
Convenient features of your vehicle
3
Low Pressure (if equipped)
This warning message is displayed if
the tire pressure is low. The corre-
sponding tire on the vehicle will be
illuminated.
For more information, refer to
"Tire Pressure Monitoring System
(TPMS)" in chapter 6.
Turn on "FUSE SWITCH"
This warning 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 information, refer to
“Fuses” in chapter 7.
Low Washer Fluid (if equipped)
This warning message is displayed
if the washer fluid level in the reser-
voir is nearly empty.
Have the washer fluid reservoir
refilled.
Low Fuel
This warning 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
This warning message is displayed
when the engine coolant tempera-
ture is above 120°C (248°F). This
means that the engine is overheated
and may be damaged.
If your vehicle is overheated, refer
to "Overheating" in chapter 6.
■Type B ■Type A
OAE046114L/OAE046115LOLFH044149L

3-78
Switching to Hybrid mode to
allow heating or air condition-
ing (Plug-in hybrid vehicle)
This message is displayed when the
vehicle automatically switches to
HEV mode to allow heating or air
conditioning. It is when the coolant
temperature is low (below -14°C)
and the driver turns on the heating or
cooling system.
If the coolant temperature gets high-
er than -14°C or the driver turns off
the heating or cooling system the
vehicle returns to its default (EV)
mode.
Maintaining Hybrid mode to
allow heating or air condition-
ing (Plug-in hybrid vehicle)
This message is displayed when the
vehicle maintains the HEV mode to
allow heating or air conditioning. The
mode does not change when the
driver presses the [EV/HEV] button
to switch from the HEV mode to EV
mode while the heating and cooling
system is on and the coolant temper-
ature is below -14°C.
Low/High System Temp.
Maintaining Hybrid mode
(Plug-in hybrid vehicle)
This message is displayed when the
temperature of the high-voltage
(hybrid) battery is too low or too high.
This warning message is to protect
the battery and the hybrid system.
Convenient features of your vehicle
OAEPH047527LOAEPH047203L/OAEPH047204LOAEPH047207L

3-100
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
OAE046125L
■Type B
OAE046149L/OAEQ046001L