2020 Hyundai Ioniq Hybrid heating

H44
Fuel door open
(Plug-in hybrid vehicle)
This message is displayed when the
fuel filler door opens after the fuel
tank is depressurized. If this mes-
sage is displayed, you can refuel the
fuel tank.
Shift to P to charge
(Plug-in hybrid vehicle)
This message is displayed when the
charging connector is plugged with
the shift lever in R (Reverse), N
(Neutral) or D (Drive). Move the shift
lever to P (Park) and re-start the
charging process.
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.
D DR
RI
IV
VI
IN
NG
G
T
TH
HE
E
H
HY
YB
BR
RI
ID
D/
/P
PL
LU
UG
G-
-I
IN
N
H
HY
YB
BR
RI
ID
D
V
VE
EH
HI
IC
CL
LE
E
(
(C
CO
ON
NT
T.
.)
)
OAEPHQ049832LOAEPHQ049833LOAEPHQ049842L

H45
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 [HEV] button to
switch from the HEV mode to EV
mode whilst 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.
Low/High System Temp.
Switching to Hybrid mode
(Plug-in hybrid vehicle)
This message is displayed when the
temperature of the high-voltage
(hybrid) battery is too low or high.
This warning message is to protect
the battery and the hybrid system.
OAEPHQ049841LOAEPHQ049834L/OAEPHQ049835LOAEPHQ049836L/OAEPHQ049837L

2-21
Safety system of your vehicle
2
Whilst 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.
i
OFF HIGH ( )
LOW ( ) MIDDLE ( )
→→
→
→
OAEPH039015R
OAEPH039076R
■Type A
■Type B
OAEPH039016R
OAEPH039077R
■Type A
■Type B

2-23
Safety system of your vehicle
2
Rear seat warmers (if equipped)
Whilst 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

LCD display ...........................................................3-82
LCD display control.........................................................3-82
LCD display modes ..........................................................3-83
Trip computer (hybrid vehicle) ..........................3-95
Trip modes ........................................................................3-95
Trip computer (plug-in hybrid vehicle) ..........3-100
Trip modes ......................................................................3-100
Light .....................................................................3-106
Exterior lights ................................................................3-106
Welcome system ...........................................................3-116
Interior lights..................................................................3-117
Wipers and washers ..........................................3-121
Windscreen wipers .......................................................3-121
Windscreen washers ....................................................3-123
Driver assist system ..........................................3-124
Rear View Monitor .......................................................3-124
Driving Rear View Monitor .........................................3-126
Reverse Parking Distance Warning system............3-127
Reverse/Forward Parking Distance Warning
system..............................................................................3-130
Automatic climate control system ...................3-134
Automatic heating and air conditioning ..................3-135
Manual heating and air conditioning .......................3-136
System operation ..........................................................3-143
System maintenance ....................................................3-145
Windscreen defrosting and defogging ...........3-148
Automatic climate control system ............................3-148
Defogging logic..............................................................3-149
Auto defogging system ...............................................3-150
Defroster .........................................................................3-151
Climate control additional features.................3-152
Automatic ventilation ...................................................3-152
Clean air ..........................................................................3-152
Sunroof inside air recirculation.................................3-152
Storage compartment ........................................3-153
Centre console storage ...............................................3-153
Glove box ........................................................................3-153
Sunglass holder .............................................................3-154
Multi box .........................................................................3-154
3

3-62
Convenient features of your vehicle
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
whilst 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 authorised HYUNDAI deal-
er.
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).
Engine Coolant
Temperature Warning
Light
This warning light illuminates:
When the engine coolant tempera-
ture 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.
NOTICE
NOTICE
120km/h

3-70
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 your vehicle inspected
by an authorised 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 whilst the warning message “Key
not detected” is displayed.
At this time, the immobiliser 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.
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 fuelling 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.

3-79
Convenient features of your vehicle
Fuel door open
(Plug-in hybrid vehicle)
This message is displayed when the
fuel filler door opens after the fuel
tank is depressurized. If this mes-
sage is displayed, you can refuel the
fuel tank.
Shift to P to charge
(Plug-in hybrid vehicle)
This message is displayed when the
charging connector is plugged with
the shift lever in R (Reverse), N
(Neutral) or D (Drive). Move the shift
lever to P (Park) and re-start the
charging process.
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.
3
OAEPHQ049832LOAEPHQ049833LOAEPHQ049842L