2023 GENESIS G90 engine

2-13
02
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.
Lubricant Volume Classification
Engine oil *1
Recommends
86TW
bSAE 0W-30, API SN PLUS/SP or
ILSAC GF-6 *4
Automatic transmission fluid86TW
b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 coolant3.5L T-GDI86TW
b
Mixture of antifreeze and water
(Phosphate-based Ethylene
glycol coolant for aluminum
radiator) 3.5L T-GDI 48 V
MHEV86TW
b
Liquid-cooled
intercooler
coolant3.5L T-GDI86TW
b
3.5L T-GDI 48 V
MHEV86TW
b
Brake fluid
*2As required DOT-4
Front differential oil (AWD)
*30.71±0.026 US qt.
s
bHYPOID GEAR OIL API GL-5 SAE
75W/85 (SK HK SYN GEAR OIL
75W85 FM PLUS or equivalent)
Rear differential oil *31.27±0.05 US qt.
s
bHYPOID GEAR OIL API GL-5 SAE
75W/85 (SK HK SYN GEAR OIL
75W85 FM PLUS or equivalent)
Transfer case
oil (AWD)Gear/Clutch0.44±0.22 US qt.
s
b
SHELL TF0870B
Actuator0.29±0.11 US qt.
s
b
Fuel86JDO
bRefer to “Fuel requirements”
section in chapter 1.
*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 : Requires grade engine oil. If a lower grade
engine oil (mineral oil including Semi-synthetic) is used, then the engine oil and engine
oil filter must be replaced as indicated severe maintenance condition.
RECOMMENDED LUBRICANTS AND CAPACITIES

2-14
Vehicle Information, Consumer Information and Reporting Safety Defects
Recommended SAE Viscosity Number
CAUTION
Always be sure to clean the area around any filler cap, drain plug, or dipstick before
checking or draining any lubricant. This is especially important in dusty or sandy
areas and when the vehicle is used on unpaved roads. Cleaning the plug and dipstick
areas will prevent dirt and grit from entering the engine and other mechanisms that
could be damaged.
Engine oil viscosity (thickness) has an effect on fuel economy and cold weather
operating (engine start and engine oil flowability). Lower viscosity engine oils can
provide better fuel economy and cold weather performance, however, higher viscosity
engine oils are required for satisfactory lubrication in hot weather. Using oils of any
viscosity other than those recommended could result in engine damage.
When choosing an oil, consider the range of temperature your vehicle will be operated
in before the next oil change. Proceed to select the recommended oil viscosity from
the chart.
Temperature Range for SAE Viscosity Numbers
Temperature°C -30 -20 -10 0 10 20 30 40 50
(°F) -10 0 20 40 60 80 100 120
Engine Oil
0W-30 0W-30
An engine oil displaying this American Petroleum Institute(API)
Certification Mark conforms to the International Lubricant
Specification Advisory Committee (ILSAC). It is recommended
to only use engine oils that uphold this API Certification Mark.

2-16
Vehicle Information, Consumer Information and Reporting Safety Defects
ENGINE NUMBER
ORS012022N
The engine number is stamped on the
engine block as shown in the drawing.
AIR CONDITIONER
COMPRESSOR LABEL
ORS011025L
A compressor label informs you the type
of compressor your vehicle is equipped
with such as model, supplier part
number, production number, refrigerant
M and refrigerant oil N.

3-13
03
Seat massage function (for driver’s
seat) (if equipped)
ORS031016
Use the massage function to relax after
a long drive, or when resting inside the
vehicle.
1. While the Engine Start/Stop button is
in ‘ON’ position, press the massage
button on the driver’s seat door to
start the function.

[The light indicating massage
intensity level illuminates.
2. Press the button again to set the
intensity level.

[Each time you press the button, the
intensity setting of the Massage it is
changed as follows:
+LJK

3-14
Safety System
Seatback pocket
ORS031015
The seatback pocket is provided on the
back of the front seatbacks.
CAUTION
Do not put heavy or sharp objects in the
seatback pockets. In an accident they
could come loose from the pocket and
injure occupants.
Rear Seats
WARNING
NEVER adjust the rear power seats
when a Child Restraint System is
installed in that seat.
WARNING
To prevent injury:

[Do not adjust your seat while
wearing your seat belt. Moving the
seat cushion forward may cause
strong pressure on your abdomen.

[Do not allow your hands or fingers to
get caught in the seat mechanisms
while the seat is moving.
NOTICE
To prevent damage to the seats:

[Always stop adjusting the seats when
the seat has been adjusted as far
forward or rearward as possible.

[Do not adjust the seats longer than
necessary when the engine is turned
off. This may result in unnecessary
drain of the battery.

[Do not operate two or more seats at
the same time. This may result in an
electrical malfunction.

3-19
03
NOTICE

[Do not press the Relax (REST) mode
switch again while operating the
seat positions for Relax (REST)
mode. It may abruptly stop the seat
movement.

[When you operate the seat control
switch while adjusting the seat
positions for the Relax (REST) mode,
it stops the automatic seat position
adjustment. In this case, manually
adjust the seat positions.

[Any items, which occupy the front
passenger's seat, may get damaged
while automatically adjusting the
seat positions for the Relax (REST)
mode. Do not put any items on the
front passenger's seat.
Information

[Relax (REST) mode switches for
adjusting the front passenger’s seat do
not operate in the following situations
when:
-The Engine Start/Stop button is in
the OFF position.
-A passenger occupies the front
passenger’s seat.
-An item occupies the front
passenger’s seat.
-The front passenger’s door is open.
-The front passenger’s seatbelt is
fastened.

[Relax (REST) mode for rear left seat
is unavailable under the following
circumstances when:
-The driver’s seat is positioned back
too far.
-The driver’s seatback is reclined
back too much.

[Operating range of the Relax (REST)
mode of the rear left seat may vary
depending on the position of the
driver’s seat.
Information

[The seat position changes to Relax
(REST) mode while the button M is
pressed. The seat stops moving when
the button M is released.

[The forward and rearward position for
the rear seats are adjusted based on its
current position. The starting position
may differ.

[Operating the seat control switch while
the seat is being adjusted for Relax
(REST) mode stops the seats from
moving.
To adjust the seats again, use the
control switch and adjust manually.

3-21
03
Information
Return function switch for adjusting the
front passenger's seat do not operate in
the following situations when:

[The Engine Start/Stop button is in the
OFF position.

[A passenger occupies the front
passenger's seat.

[An item occupies the front passenger's
seat.

[The front passenger's door is open.

[The front passenger's seatbelt is
fastened.
Information

[The seat position changes to Return
mode while the button O is pressed.
The seat stops moving when the button
O is released.

[Operating the seat control switch while
the seat is being adjusted for Return
mode stops the seats from moving.
To adjust the seats again, use the
control switch and adjust manually.
Calf support adjustment (if equipped)
ORS031027
ORS032155N
Place your leg on the calf support and
adjust its angle to relax.

[Control switch (Type A)
Slide the calf support switch
diagonally upward or downward to
adjust the angle.

[Armrest touchscreen (Type B)
1. Press
from the left side menu
on the armrest touchscreen.
- Seat adjustment screen is
displayed.
2. Press the adjustment button on
the lower part of the rear seat to
be adjusted, and select the calf
support function.
3. Press the arrows of the desired
direction to adjust the angle of the
calf support.

3-22
Safety System
Information
Opening the door will return the calf
support to its original position.
CAUTION
Do not sit or place heavy objects on the
calf support. It may damage the system.
WARNING

[When lowering or raising the calf
support, be careful not to have your
hands or legs caught under the front
seats or other surrounding parts of
the calf support. Unexpected injuries
may occur.

[Do not allow children to adjust the
switch. Unexpected injuries may
occur.

[Make sure that the footrest and calf
support do not interfere with each
other while adjusting. The body parts
or objects may be damaged if it is
caught in the interference.
Rear seat massage function (if
equipped)
Use massage seat to relax after a long
drive, or when resting inside the vehicle.
ORS031033
Massage button
1. While the Engine Start/Stop button is
in ‘ON’ position, press the massage
button on the rear passenger seat
door to start the function.

[The light indicating massage
intensity level illuminates, and the
massage function will start.
2. Press the button again to set the
intensity level.

[Each time you press the button, the
intensity setting of the Massage is
changed as follows:
+LJK