2023 GENESIS G90 air conditioning

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Convenience Features
OFF
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A : Front seat control from the front,
B : Rear seat control from the front,
C : Rear seat control from the rear,
D : Front seat control from the rear
Touch the OFF icon or button to turn
the climate control system off. You can
still operate the mode and air intake
buttons as long as the Engine is in the
ON position.

[If OFF is pressed from the front seat,
the front and rear climate control
system will turn off.

[If OFF is pressed from the rear seat,
only the rear climate control system
will turn off.
System Operation
Cooling / Ventilation
1. Select the Face Level mode.
2. Set the air intake control to fresh or
recirculation mode.
3. Set the temperature control to the
desired position.
4. Set the fan speed control to the
desired speed.
Heating
1. Select the Floor Level mode.
2. Set the air intake control to fresh or
recirculation mode.
3. Set the temperature control to the
desired position.
4. Set the fan speed control to the
desired speed.
5. If desired, turn the air conditioning ON
with the temperature control knob set
to heat in order to dehumidify the air
before it enters into the cabin.
If the windshield fogs up, select the Front
Defrost
mode.
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[To keep dust or unpleasant fumes
from entering the vehicle through the
ventilation system, temporarily set the
air intake control to the recirculation
mode. Return the control to the to
Fresh mode when the unpleasant air
outside has diminished. This will help
keep the driver alert and comfortable.

[To help prevent the inside of the
windshield from fogging, set the air
intake control to fresh mode and the
fan speed to the desired position, turn
on the air conditioning system, and
adjust the temperature control to the
desired temperature.

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05
Air conditioning
Your Genesis Branded Vehicle air
conditioning system is filled with
R-1234yf refrigerant.
1. Start the vehicle.
2. Press the air conditioning button.
3. Set the mode to the Face Level

mode.
4. Set the air intake control to
Recirculation mode temporarily to
allow the cabin to cool quickly. When
the desired temperature in the cabin
is reached, change the air intake
control back to Fresh mode.
5. Adjust the fan speed control and
temperature control to maintain
maximum comfort.
When maximum cooling is desired, set
the temperature control to the lowest
position, then set the fan speed control
to the highest setting.
NOTICE
When using the air conditioning system,
monitor the engine temperature gauge
closely while driving up hills or in heavy
traffic when outside temperatures are
high. Air conditioning system operation
when climbing a steep grade or in
high outside ambient temperatures
can cause engine overheating.
Continue to use the fan, but turn the air
conditioning system off if the engine
temperature gauge indicates engine
overheating.
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.

[After sufficient cooling has been
achieved, switch back from
recirculation mode to fresh mode.

[To help reduce moisture inside of
the windows on rainy or humid
days, decrease the humidity inside
the vehicle by operating the air
conditioning system with the windows
and sunroof closed.

[Use the air conditioning system
every month only for a few minutes
to ensure maximum system
performance.

[If you operate air conditioner
excessively, the difference between
the temperature of the outside air and
that of the windshield could cause
the outer surface of the windshield to
fog up, causing loss of visibility. In this
case, set the mode selection to the

position and fan speed control to the
lowest speed.

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Convenience Features
System Maintenance
Cabin air filter
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A : Outside air,
B : Recirculated air,
C : Climate control air filter,
D : Blower,
E : Evaporator core,
F : Heater core
The cabin air filter is installed behind
the glove box. It filters the dust or other
pollutants that enter the vehicle through
the heating and air conditioning system.
We recommend that the cabin air filter
be replaced by an authorized retailer of
Genesis Branded products according to
the maintenance schedule. If the vehicle
is being driven in severe conditions such
as dusty or rough roads, more frequent
cabin air filter inspections and changes
are required.
If the air flow rate suddenly decreases,
have the system inspected at an
authorized retailer of Genesis Branded
products.
Checking the amount of air
conditioner refrigerant and
compressor lubricant
When the amount of refrigerant is low,
the performance of the air conditioning
is reduced. Overfilling also reduces the
performance of the air conditioning
system.
Therefore, if abnormal operation is
found, have the system inspected by an
authorized retailer of Genesis Branded
products.
NOTICE
It is important that the correct type and
amount of oil and refrigerant is used.
Otherwise, damage to the compressor
and abnormal system operation may
occur. To prevent damage, the air
conditioning system in your vehicle
should only be serviced by trained and
certified technicians.
NOTICE

[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 salvaged vehicle and new
replacement MAC evaporators shall
be certified (and labeled) as meeting
SAE Standard J2842.

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05
WARNING
Vehicles equipped with R-1234yfSince the refrigerant is
mildly flammable and
operated at high pressure,
the air conditioning system
should only be serviced
by trained and certified
technicians. It is important
that the correct type and
amount of oil and refrigerant
are used.
All refrigerants should be reclaimed
with proper equipment.
Venting refrigerants directly to the
atmosphere is harmful to individuals
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warnings can lead to serious injuries.
Air Conditioning refrigerant label
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You can find out which air conditioning
refrigerant is applied to your vehicle on
the label located inside of the hood.
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Each symbols and specification on
the air conditioning refrigerant label is
represented as below:
M Classification of refrigerant
N Amount of refrigerant
O Classification of compressor lubricant
P Caution
Q Flammable refrigerant
R To require registered technician to
service air conditioning system

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05
To Defrost Inside Windshield
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1. Set the fan speed to the highest
(extreme right) position.
2. Set the temperature to the extreme
hot (HI) position.
3. Press the defroster button (
).
4. Fresh mode will be selected
automatically.
Check to make sure the air intake control
is in Fresh mode. If the air intake control
indicator light is illuminated, press the
button once to enable Fresh mode
(indicator light OFF).
If the
position is selected, lower fan
speed is adjusted to a higher fan speed.
Defogging Logic
To reduce the probability of fogging
up the inside of the windshield, the air
intake or air conditioning are controlled
automatically according to certain
conditions. To cancel or reset the
defogging logic, do the following.
1. Press the Engine Start/Stop button to
the ON position.
2. Press the defroster button (
) or
().
3. While pressing the air conditioning
button (A/C), press the air intake
control button at least 5 times within
3 seconds.
The air intake control button indicator
will blink 3 times to indicate that the
defogging logic has been disabled.
Repeat the steps again to re-enable the
defogging logic.
If the battery has been discharged or
disconnected, it resets to the defog logic
status.

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05
Auto Defogging System
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Auto defogging helps reduce the
possibility of fogging up the inside of the
windshield by automatically sensing the
moisture on inside the windshield.
The auto defogging system operates
when the heater or air conditioning is on.
Information
The auto defogging system may not
operate normally, when the outside
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6-52
Driving Your Vehicle
Forced to Restart Engine
The engine is automatically restarted in
the following situations.

[The engine has stopped for about 5
minutes

[The air conditioning is ON with the fan
speed set to a certain high level

[The front defroster is ON

[The battery is weak

[The cooling and heating performance
of the climate control system is
unsatisfactory

[The vehicle is shifted to P (Park), N
(Neutral) or R (Reverse) when Auto
Hold is operating

[The door is opened or the seatbelt
is unfastened when Auto Hold is
activated

[The EPB switch is pressed when Auto
Hold is activated
The Auto Stop (
) indicator blinks in
green for 5 seconds on the instrument
cluster when the engine is restarted.
WARNING
When the engine is in Idle Stop mode,
the engine may restart without the
driver taking any action. Before leaving
the vehicle or working on the engine
compartment, turn off the engine by
pressing the ENGINE START/STOP
button to the OFF position.
ISG Malfunction
ISG system may not operate when there
is a malfunction with the ISG sensors or
ISG system.
The following will occur, when there is a
malfunction with the ISG system:

[The Auto Stop (
) indicator will
illuminate in yellow on the instrument
cluster.
Contact an authorized retailer of Genesis
Branded products.

8-5
08
Jump Starting Procedure
Information
Your vehicle has a battery in the luggage
compartment, but when you jump start
your vehicle, use the jumper terminal in
the engine compartment.
1. Position the vehicles close enough
that the jumper cables will reach, but
do not allow the vehicles to touch.
2. Avoid fans or any moving parts in the
engine compartment at all times, even
when the vehicles are turned off.
3. Turn off all electrical devices such as
radios, lights, air conditioning, etc.
Put the vehicles in P (Park) and set the
parking brake. Turn both vehicles OFF.
4. Open the engine hood.
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A : Negative (-) Terminal,
B : Positive (+) Terminal
5. Remove the engine compartment fuse
box cover.
CAUTION
Before jump starting, make sure to
correctly identify the positive (+) and
negative (-) terminals to avoid reverse
polarity connections.
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6. Connect the jumper cables in
the exact sequence shown in the
illustration. First connect one jumper
cable to the red, positive (+) jumper
terminal of your vehicle M.
7. Connect the other end of the jumper
cable to the red, positive (+) battery/
jumper terminal of the assisting
vehicle N.
8. Connect the second jumper cable to
the black, negative (-) battery/jumper
terminal of the assisting vehicle O.
9. Connect the other end of the second
jumper cable to the black, negative (-)
chassis ground of your vehicle P.
Do not allow the jumper cables to
contact anything except the correct
battery or jumper terminals or the
correct ground. Do not lean over the
battery when making connections.
WARNING
Do not connect the jumper cable to
the negative (-) jumper terminal of the
discharged battery. A spark could cause
the battery to explode and lead to a
personal injury or vehicle damage.
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