2021 GENESIS G80 air conditioning

05
5-111
Auto Defogging System
ORG3050065
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
temperature is below 14 °F (-10 °C).
When the Auto Defogging System operates, the indicator
will illuminate.
If a high amount of humidity is detected
in the vehicle, the Auto Defogging
System will be enabled. The following
steps will be performed automatically:
Step 1) Air conditioning will turn ON.
Step 2) Air intake control will change to
Fresh mode.
Step 3) Fan speed will be set to MAX.
Step 4) Mode will change to defrost to
direct airflow to the windshield.
If the air conditioning is off or
recirculation mode is manually selected
while Auto Defogging System is ON, the
Auto Defogging System indicator will
blink 3 times to signal that the manual
operation has been canceled.
CLIMATE CONTROL ADDITIONAL FEATURES

Convenient Features
5-112
Turning the Auto Defogging System
ON or OFF
Climate control system
Press the front windshield defroster
button for 3 seconds when the Engine
Start/Stop button is in the ON position.
When the Auto Defogging System is
turned off, the ADS OFF symbol will blink
3 times and ADS OFF will be displayed on
the climate control information screen.
When the Auto Defogging System is
turned on, the ADS OFF symbol will blink
6 times without a signal.
Infotainment system
Auto Defogging System can be turned
on and off by selecting ‘Setup →
Vehicle Settings → Climate → Defog/
Defrost Options → Auto Defog’ from the
infotainment system screen.
For detailed information, refer to the
separately supplied manual.
Information
• When the air conditioning is turned
on by Auto Defogging System, if you
try to turn off the air conditioning, the
indicator will blink 3 times and the air
conditioning will not be turned off.
• To maintain the effectiveness and
efficiency of the Auto Defogging
System, do not select Recirculation
mode while the system is operating.
• When Auto Defogging System is
operating, fan speed adjustment,
temperature adjustment, and air intake
control selection are all disabled.
NOTICE
Do not remove the sensor cover located
on the upper end of the windshield
glass.
Damage to system parts could occur
and may not be covered by your vehicle
warranty.
Auto Dehumidify (if equipped)
To increase cabin air quality and reduce
windshield misting, recirculation mode
switches off automatically after about 5
to 30 minutes, depending on the outside
temperature, and the air intake will
change to fresh mode.
Turning Auto Dehumidify ON or OFF
Climate control system
To turn the Auto Dehumidify feature
on or off, select Face level (
) mode
and press the air intake control ()
button at least five times within three
seconds. When Auto Dehumidify is
turned on, the air intake control button
indicator will blink 6 times. When turned
off, the indicator will blink 3 times.
Infotainment system
Auto Dehumidify can be turned on and
off by selecting ‘Setup → Vehicle Settings
→ Climate → Automatic Ventilation →
Auto Dehumidify’ from the infotainment
system screen.
For detailed information, refer to the
separately supplied manual.

Driving Your Vehicle
6-46
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 higher positon than
7 step
• 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) when
Auto Hold is activated
• 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 blink
in yellow on the instrument cluster.
• The light on the ISG OFF button will
illuminate.
Contact an authorized retailer of Genesis
Branded products.
NOTICE
ORG3060023L[A] : Battery sensor
When a battery is disconnected then
reconnected or replaced, the ISG
system cannot operate until after 4
hours due to required battery sensor
calibration that has to occur.
After calibration, turn the engine on and
off 2 or 3 times.

08
8-5
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.
ORG3080003N
[A] : Negative (-) Terminal, [B] : Positive (+) Terminal
5. Remove the engine compartment fuse
box cover.
ORG3080004
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 (1).
7. Connect the other end of the jumper
cable to the red, positive (+) battery/
jumper terminal of the assisting
vehicle (2).
8. Connect the second jumper cable to
the black, negative (-) battery/ chassis
ground of the assisting vehicle (3).
9. Connect the other end of the second
jumper cable to the black, negative (-)
chassis ground of your vehicle (4).
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.

08
8 -7
If your temperature gauge indicates
overheating, you experience a loss of
power, or hear loud pinging or knocking,
the engine may be overheating. If this
happens, you should:
1. Pull off the road and stop as soon as it
is safe to do so.
2. Shift the gear to P (Park) and set the
parking brake. If the air conditioning is
ON, turn it OFF.
3. If engine coolant is running out under
the vehicle or steam is coming out
from the hood, stop the engine. Do
not open the hood until the coolant
has stopped running or the steaming
has stopped. If there is no visible
loss of engine coolant and no steam,
leave the engine running and check
to be sure the engine cooling fan is
operating. If the fan is not running,
turn the engine off.
WARNING
While the engine is running, keep hands, clothing and tools
away from the moving parts
such as the cooling fan and
drive belt to prevent serious
injury.
4. Check for coolant leaking from the
radiator, hoses or under the vehicle. (If
the air conditioning had been in use, it
is normal for cold water to be draining
from it when you stop.)
5. If engine coolant is leaking out, stop
the engine immediately and call the
nearest authorized retailer of Genesis
Branded products for assistance.
WARNING
Never remove the radiator cap, coolant cap or the drain plug
while the engine and radiator
are hot.Hot coolant and steam may blow out
under pressure, causing serious injury.
Turn the engine off and wait until the
engine cools down. Use extreme care
when removing the radiant cap or
coolant cap. Wrap a thick towel around
it, and turn it counterclockwise slowly
to the first stop. Step back while the
pressure is released from the cooling
system. When you are sure all the
pressure has been released, press down
on the cap, using a thick towel, and
continue turning counterclockwise to
remove it.
6. If you cannot find the cause of the
overheating, wait until the engine
temperature has returned to normal.
Then, if coolant has been lost,
carefully add coolant to the reservoir
to bring the fluid level in the reservoir
up to the halfway mark.
7. Proceed with caution, keeping alert
for further signs of overheating. If
overheating happens again, call an
authorized retailer of Genesis Branded
products for assistance.
CAUTION
• Serious loss of coolant indicates a
leak in the cooling system and should
be checked as soon as possible by
an authorized retailer of Genesis
Branded products.
• When the engine overheats from
low engine coolant, suddenly
adding engine coolant may cause
cracks in the engine. To prevent
damage, add engine coolant slowly
in small quantities. It may require
several refilling cycles to properly
fill the engine cooling system. If
necessary, an authorized retailer of
Genesis Branded products should be
consulted to perform this task.
IF THE ENGINE OVERHEATS

09
9 -7
Owner Maintenance Schedule
When you stop for fuel:
• Check the engine oil level.
• Check the coolant level in the engine
coolant reservoir or the liquid-cooled
intercooler coolant reservoir.
• Check the windshield washer fluid
level.
• Check for low or under-inflated tires.
WARNING
Be careful when checking your coolant
level when the engine is hot. This may
result in coolant being blown out of the
opening and cause serious burns and
other injuries.
While operating your vehicle:
• Note any changes in the sound of the
exhaust or any smell of exhaust fumes
in the vehicle.
• Check for vibrations in the steering
wheel. Notice if there is any increased
steering effort or looseness in the
steering wheel, or change in its
straight-ahead position.
• Notice if your vehicle constantly turns
slightly or “pulls” to one side when
traveling on smooth, level road.
• When stopping, listen and check for
unusual sounds, pulling to one side,
increased brake pedal travel or “hard-
to-push” brake pedal.
• If any slipping or changes in the
operation of your transmission occurs,
check the transmission fluid level.
• Check the automatic transmission P
(Park) function.
• Check the parking brake.
• Check for fluid leaks under your
vehicle (water dripping from the air
conditioning system during or after
use is normal).
At least monthly:
• Check coolant level in the engine
coolant reservoir.
• Check the operation of all exterior
lights, including the stoplights, turn
signals and hazard warning flashers.
• Check the inflation pressures of all
tires including the spare for tires that
are worn, show uneven wear, or are
damaged.
• Check for loose wheel lug nuts.
At least twice a year: (i.e., every
Spring and Autumn)
• Check radiator, heater and air
conditioning hoses for leaks or
damage.
• Check windshield washer spray and
wiper operation. Clean wiper blades
with a clean cloth dampened with
washer fluid.
• Check headlamp alignment.
• Check muffler, exhaust pipes, shields
and clamps.
• Check the seat belts for wear and
function.
At least once a year:
• Clean body and door drain holes.
• Lubricate door hinges and hood
hinges.
• Lubricate door and hood locks and
latches.
• Lubricate door rubber weather strips.
• Check the air conditioning system.
• Inspect and lubricate automatic
transmission linkage and controls.
• Clean the battery and terminals.
• Check the brake fluid level.

Maintenance
9-16
ENGINE OIL
Suspension Mounting Bolts
Check the suspension connections for
looseness or damage. Retighten to the
specified torque.
Steering Gear box, Linkage &
Boots/Lower Arm Ball Joint
With the vehicle stopped and the engine
off, check for excessive free-play in the
steering wheel. Check the linkage for
bends or damage. Check the dust boots
and ball joints for deterioration, cracks,
or damage.
Replace any damaged parts.
Drive Shafts and Boots
Check the drive shafts, boots and clamps
for cracks, deterioration, or damage.
Replace any damaged parts and, if
necessary, repack the grease.
Air Conditioning Refrigerant
Check the air conditioning lines and
connections for leakage and damage.
Checking the Engine Oil Level
1. Follow all of the oil manufacturer’s
precautions.
2. Be sure the vehicle is on the level
ground in P (Park) with the parking
brake set and the wheels blocked.
3. Turn the engine on and allow the
engine to reach normal operating
temperature.
4. Turn the engine off and wait about 10
minutes for the oil to return to the oil
pan.
5. Pull the dipstick out, wipe it clean, and
re-insert it fully.
„„2.5L T-GDI
ORG3090004L
„„3.5L T-GDI
ORG3090006
6. Pull the dipstick out again and check
the level. The level should be between
F (Full) and L (Low).

Maintenance
9-38
WARNING
The temperature grade for this tire is
established for a tire that is properly
inflated and not overloaded.
Excessive speed, under-inflation,
over-inflation, or excessive loading,
either separately or in combination,
can cause heat build-up and
possible sudden tire failure. This
may cause loss of vehicle control
resulting in an accident.
Tire Terminology and Definitions
Air pressure
The amount of air inside the tire
pressing outward on the tire. Air
pressure is expressed in pounds per
square inch (psi) or kilopascal (kPa).
Accessory weight
This means the combined weight
of optional accessories. Some
examples of optional accessories
are automatic transmission, power
seats, and air conditioning.
Aspect ratio
The relationship of a tire’s height to
its width.
Belt
A rubber coated layer of cords that
is located between the plies and the
tread. Cords may be made from steel
or other reinforcing materials.
Bead
The tire bead contains steel wires
wrapped by steel cords that hold the
tire onto the rim.Bias ply tire
A pneumatic tire in which the plies are
laid at alternate angles less than 90
degrees to the centerline of the tread.
Cold tire pressure
The amount of air pressure in a tire,
measured in pounds per square inch
(psi) or kilopascals (kPa) before a tire
has built up heat from driving.
Curb weight
This means the weight of a motor
vehicle with standard and optional
equipment including the maximum
capacity of fuel, oil and coolant, but
without passengers and cargo.
DOT markings
A code molded into the sidewall
of a tire signifying that the tire
is in compliance with the U.S.
Department of Transportation motor
vehicle safety standards. The DOT
code includes the Tire Identification
Number (TIN), an alphanumeric
designator which can also identify
the tire manufacturer, production
plant, brand and date of production.
GVWR
Gross Vehicle Weight Rating
GAWR FRT
Gross Axle Weight Rating for the
Front Axle.
GAWR RR
Gross Axle Weight Rating for the
Rear axle.