radiator cap GENESIS G80 2021 Owner's Manual

2-7
02
The actual engine compartment in the vehicle may differ from the illustration.
ORG3090001
1. Windshield washer fluid reservoir ......9-22
2. Jumper negative (chassis) terminal .....8-5
3. Fuse box ...............................................9-49
4. Radiator cap ..........................................9-19
5. Engine coolant reservoir ......................9-18
6. Air cleaner ............................................9-23
7. Liquid-cooled intercooler
coolant reservoir
...................................9-18
8. Brake fluid reservoir .............................9-21
9. Engine oil dipstick ................................9-16
10. Engine oil filler cap ...............................9-17
ENGINE COMPARTMENT

Vehicle Information, Consumer Information and Reporting Safety Defects
2-12
To help achieve proper engine and powertrain performance and durability, use only
lubricants of the proper quality. The correct lubricants also help promote engine
efficiency that results in improved fuel economy.
These lubricants and fluids are recommended for use in your vehicle.
LubricantVolumeClassification
Engine oil
*1
Recommends 2.5L T-GDI
6.5 US qt. (6.2 ℓ)
SAE 0W-30, API SN PLUS/
SP or ILSAC GF-6
*43.5L T-GDI 7.4 US qt. (7.0 ℓ)
Automatic transmission fluid 9.7 US qt. (9.2 ℓ)GS ATF SP-IV-RR, Genesis/
HYUNDAI genuine ATF
SP-IV-RR or other brands
meeting the above
specification approved by
Genesis Customer Care
Engine coolant 2.5L T-GDI
10.1 US qt. (9.6 ℓ)
Mixture of antifreeze and
water (Phosphate-based
Ethylene glycol coolant for
aluminum radiator)
3.5L T-GDI
11.6 US qt. (11 ℓ)
Liquid-cooled
intercooler
coolant 2.5L T-GDI
4.1 US qt. (3.9 ℓ)
3.5L T-GDI 4 US qt. (3.8 ℓ)
Brake fluid
*2As required DOT-4
Front differential oil (AWD)
*30.71±0.026 US qt. (0.67±0.025 ℓ)HYPOID GEAR OIL API GL-5
SAE 75W/85
(SK HK SYN GEAR OIL
75W85 or equivalent)
Rear differential oil
*31.27±0.05 US qt.
(1.2±0.05 ℓ)
Transfer case oil (AWD) 1.11±0.022 US qt.
(1.05±0.021 ℓ) FUCHS ATF 134 MPT
Fuel 2.5L T-GDI
21.9 US gal. (65 ℓ)
Refer to “Fuel
requirements” in chapter 1.
3.5L T-GDI 19.3 US gal. (73 ℓ)
*1 : Refer to the recommended SAE viscosity numbers on the next page.
*2 : To maintain the best braking performance and ABS/ESC performance, we recommend
that you use fluid that conform to specifications.
*3 : If the front/rear differential is submerged, visit an authorized retailer of Genesis Branded
products to replace the differential oil.
*4 : If the above recommended specification oil is not available, SAE 0W-30 grade synthetic
oil can be used. If mineral oil or semi-synthetic oil is used, it is a severe maintenance
condition in terms of engine oil change
RECOMMENDED LUBRICANTS AND CAPACITIES

05
5-73
Fuel Filler Door
Opening the fuel filler door
ORG3050052
1. Turn the engine off.
2. Ensure the driver’s door is unlocked.
3. Push the fuel filler door near the 3
o’clock position.
ORG3050053
4. Pull the fuel filler door (1) outward to
access the fuel tank cap.
5. To remove the fuel tank cap (2), turn
it counterclockwise. You may hear a
hissing noise as the pressure inside
the tank equalizes.
6. Place the cap on the fuel filler door.
Information
If the fuel filler door does not open
because ice has formed around it, tap
lightly or push on the door to break the
ice and release the door. Do not pry on the
door. If necessary, spray around the door
with an approved deicer fluid (do not use
radiator antifreeze) or move the vehicle to
a warm place and allow the ice to melt.
Closing the fuel filler door
1. To install the fuel tank cap, turn it
clockwise until it “clicks” one time.
2. Close the fuel filler door until it is
latched securely.
Information
The fuel filler door will not close if the
driver’s door is locked. If you lock the
driver’s door while fueling, unlock it
before closing the fuel filler door.

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

9-3
09
„„2.5L T-GDI
The actual engine compartment in the vehicle may differ from the illustration.
ORG3090001
1. Windshield washer fluid reservoir
2. Negative (-) jumper terminal
3. Fuse box and positive (+) jumper
terminal
4. Radiator cap
5. Engine coolant reservoir
6. Air cleaner
7. Liquid-cooled intercooler coolant
reservoir
8. Brake fluid reservoir
9. Engine oil dipstick
10. Engine oil filler cap
ENGINE COMPARTMENT

Maintenance
9-14
Engine Oil and Filter
The engine oil and filter should be
changed at the intervals specified in the
maintenance schedule. If the vehicle
is being driven in severe conditions,
more frequent oil and filter changes are
required.
Drive Belts
Inspect all drive belts for evidence
of cuts, cracks, excessive wear or oil
saturation and replace if necessary.
Drive belts should be checked
periodically for proper tension and
adjusted as necessary.
Information
When you are inspecting the belt, turn the
engine off.
Fuel Lines, Fuel Hoses and
Connections
Check the fuel lines, fuel hoses and
connections for leakage and damage.
Have an authorized retailer of Genesis
Branded products replace any damaged
or leaking parts immediately.
Fuel Filter
The fuel filter is considered to be
maintenance free but periodic inspection
is recommended for this maintenance
depends on fuel quality. If there are
some important matters like fuel flow
restriction, surging, loss of power, hard
starting problem etc., replace the fuel
filter immediately. We recommend that
you consult an authorized retailer of
Genesis Branded products for details.
Vapor Hose and Fuel Filler Cap
The vapor hose and fuel filler cap should
be inspected at those intervals specified
in the maintenance schedule. Make sure
a new vapor hose or fuel filler cap is
correctly replaced.
Air Cleaner Filter
We recommend that the air cleaner filter
be replaced by an authorized retailer of
Genesis Branded products.
Spark Plugs
Make sure to install new spark plugs of
the correct heat range.
Cooling System
Check cooling system components, such
as radiator, coolant reservoir, hoses and
connections for leakage and damage.
Replace any damaged parts.
EXPLANATION OF SCHEDULED MAINTENANCE ITEMS

09
9-19
WARNING
Never remove the engine coolant 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 vehicle off and wait until
the engine cools down. Use extreme
care when removing the radiator cap,
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.
Information
The coolant level is influenced by the
engine temperature. Before checking or
refilling the coolant, turn the engine off.
WARNING
The electric motor for the cooling fan may continue to
operate or start up when the
engine is not running and can
cause serious injury. Keep
hands, clothing and tools away
from the rotating fan blades of
the cooling fan.
Always turn off the vehicle unless the
vehicle has to be inspected with the
engine on. Be cautious as the cooling
fan may operate if the negative (-)
battery terminal is not disconnected.
WARNING
Make sure the coolant cap is properly
closed after refilling coolant. Otherwise
the engine could be overheated while
driving.
„„Engine compartment front view
OOSH089010L
1. Check if the coolant cap label is
straight in front.
OJX1099046
2. Make sure that the tiny protrusions
inside the coolant cap is securely
interlocked.