2018 Hyundai Ioniq Hybrid cooling

HEV (Hybrid Electric Vehicle) System ................H2
Hybrid Vehicle ......................................................................H2
Plug-in Hybrid Vehicle .....................................................H3
Charging the Plug-in Hybrid Vehicle....................H4
Charging Information .........................................................H4
Charging Time .....................................................................H4
Charging Types ...................................................................H4
Charging Status ...................................................................H5
Scheduled Charging ............................................................H6
Charging Connector AUTO/ LOCK Mode ......................H7
Charging Precautions .........................................................H8
Normal Charge ...................................................................H10
Trickle Charge ....................................................................H16
Driving the Hybrid/Plug-in Hybrid Vehicle .......H26
Starting the Vehicle ..........................................................H26
Special Features ..............................................................H27
Hybrid System Gauge ......................................................H29
Plug-in Hybrid Mode (Plug-in hybrid vehicle)..........H30
Aux. Battery Saver+ (Plug-in hybrid vehicle) ..........H31
Warning and Indicator Lights ........................................H33
LCD Display Messages.....................................................H35
Energy Flow ......................................................................H43
Safety Precautions for Hybrid System ..............H47
Hybrid Vehicle Components Safety Precautions ......H47
Service Plug .......................................................................H50
Hybrid Battery Cooling Duct ........................................H51
If an Accident Occurs ......................................................H52
When the Hybrid Vehicle Shuts Off ............................H53
Hybrid system overview

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

H51
Hybrid 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 cooling duct with
any other objects.
Information
Clean the cooling duct for the hybrid bat-
tery with a dry cloth on a regular basis.
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(Continued)
•Do not put any objects into
the cooling duct of the hybrid
battery. Doing so may cause
loss of cooling duct volume to
the hybrid battery. When the
cooling duct is blocked with
any objects, immediately con-
tact your HYUNDAI dealer.
•Never place a container of liq-
uid on or near the cooling
duct. If the liquid spills, the
hybrid battery located in the
luggage compartment may be
damaged.
•Secure all loads in the lug-
gage compartment to prevent
them from being tossed about
before driving. When a sharp
or heavy load strike with a
strong impact or pierce the
interior luggage compartment
wall, the hybrid battery sys-
tem may be damaged, deterio-
rating its performance.
•Never clean the cooling duct
of the hybrid battery with a
wet cloth. If any water enters
in the cooling duct of the
hybrid battery, the hybrid bat-
tery may cause an electric
shock, resulting in a serious
damage, an injury or a death.
•The hybrid battery is com-
posed of lithium-ion polymer.
If the hybrid battery is improp-
erly handled, it is dangerous
to the environment. Also it
may cause electrical shock
and severe burns, resulting in
a serious injury or a death.
•Do not spill liquid over the
cooling duct of the hybrid bat-
tery. Doing so is very danger-
ous. It may cause electric
shock or serious injury.
•Do not cover the cooling duct
with objects.
(Continued)
WARNING
OAE036024
■Hybrid vehicle
OAEPH036024
■Plug-in hybrid vehicle

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.
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OFF →HIGH ( ) →LOW ( )
→
OAE036023
OAE036024
■Hybrid vehicle
OAEPH036024
■Plug-in hybrid vehicle

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

3-129
Convenient features of your vehicle
3
Information
Never place anything near the sensor
to ensure better control of the heating
and cooling system.
Manual heating and air condi-
tioning
The heating and cooling system can be
controlled manually by pushing buttons
other than the AUTO button. In this
case, the system works sequentially
according to the order of buttons select-
ed. When pressing any button except
the AUTO button while using automatic
operation, the functions not selected
will be controlled automatically.
1.Start the engine.
2.Set the mode to the desired position.
For improving the effectiveness of
heating and cooling, select:
- Heating:
- Cooling:
3.Set the temperature control to the
desired position.4.Set the air intake control to the out-
side (fresh) air position.
5.Set the fan speed control to the
desired speed.
6.If air conditioning is desired, turn
the air conditioning system on.
Press the AUTO button to convert to
full automatic control of the system.
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OAE046304

3-136
Convenient features of your vehicle
Operation Tips
• To keep dust or unpleasant fumes
from entering the vehicle through
the ventilation system, temporarily
set the air intake control to the
recirculated air position. Be sure to
return the control to the fresh air
position when the irritation has
passed to keep fresh air in the
vehicle. This will help keep the driv-
er alert and comfortable.
• Air for the heating/cooling system
is drawn in through the grilles just
ahead of the windshield. Care
should be taken that these are not
blocked by leaves, snow, ice or
other obstructions.
• To prevent interior fog on the wind-
shield, set the air intake control to
the fresh air position and fan speed
to the desired position, turn on the
air conditioning system, and adjust
the temperature control to the
desired temperature.
Air conditioning
HYUNDAI Air Conditioning Systems
are filled with R-134a or R1234yf
refrigerant.
1. Start the engine. Push the air con-
ditioning button.
2. Set the mode to the position.
3. Set the air intake control to the out-
side air or recirculated air position.
4. Adjust the fan speed control and
temperature control to maintain
maximum comfort.
Information
Your vehicle is filled with R-134a or
R-1234yf according to the regulation
in your country at the time of produc-
tion. You can find out which air condi-
tioning refrigerant is applied to your
vehicle on the label located inside of
the hood. • The refrigerant system should
only be serviced by trained and
certified technicians to insure
proper and safe operation.
• The refrigerant system should
be serviced in a well-ventilated
place.
• The air conditioning evaporator
(cooling coil) shall never be
repaired or replaced with one
removed from a used or sal-
vaged vehicle and new replace-
ment MAC evaporators shall be
certified (and labeled) as meet-
ing SAE Standard J2842.
NOTICE
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3-137
Convenient features of your vehicle
3
Information
• When using the air conditioning sys-
tem, monitor the temperature gauge
closely while driving up hills or in
heavy traffic when outside tempera-
tures are high. Air conditioning sys-
tem operation may cause engine
overheating. Continue to use the
fan but turn the air conditioning
system off if the temperature gauge
indicates engine overheating.
• When opening the windows in
humid weather, air conditioning
may create water droplets inside the
vehicle. Since excessive water
droplets may cause damage to elec-
trical equipment, air conditioning
should only be used with the win-
dows closed.
Air conditioning system operation
tips
• If the vehicle has been parked in
direct sunlight during hot weather,
open the windows for a short time
to let the hot air inside the vehicle
escape.
• Use air conditioning to reduce
humidity and moisture inside the
vehicle on rainy or humid days.
• During air conditioning system
operation, you may occasionally
notice a slight change in engine
speed as the air conditioning com-
pressor cycles. This is a normal
system operation characteristic.
• Use the air conditioning system
every month only for a few minutes
to ensure maximum system per-
formance.
• When using the air conditioning
system, you may notice clear water
dripping (or even puddling) on the
ground under the passenger side
of the vehicle. This is a normal sys-
tem operation characteristic.• Operating the air conditioning sys-
tem in the recirculated air position
provides maximum cooling, how-
ever, continual operation in this
mode may cause the air inside the
vehicle to become stale.
• During cooling operation, you may
occasionally notice a misty air flow
because of rapid cooling and
humid air intake. This is a normal
system operation characteristic.
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