check engine GENESIS G80 2021 Owner's Manual

01
1-5
Your new vehicle is designed to obtain maximum performance with UNLEADED FUEL,
as well as minimize exhaust emissions and spark plug fouling.
Your new vehicle is designed to use only unleaded fuel having an octane number
((R+M)/2) of 87 (Research Octane Number 91) or higher. For improved vehicle
performance, premium unleaded fuel with an octane number ((R+M)/2) of 91
(Research Octane Number 96) or higher is recommended. (Do not use methanol
blended fuels.)
NOTICE
To prevent damage to the engine and engine components, never add any fuel
system cleaning agents to the fuel tank other than what has been specified.
Consult an authorized retailer of Genesis Branded products for additional
information.
WARNING
• Do not “top off” after the nozzle automatically shuts off when refueling.
• Always check that the fuel cap is installed securely to prevent fuel spillage in the
event of an accident.
Gasoline containing alcohol and methanol
Gasohol, a mixture of gasoline and ethanol (also known as grain alcohol) are being
marketed along with or instead of leaded or unleaded gasoline. For example, “E15” is
a gasohol comprised of 15% ethanol and 85% gasoline. Do not use gasohol containing
more than 15% ethanol, and do not use gasoline or gasohol containing any methanol.
Either of these fuels may cause drivability problems and damage to the fuel system,
engine control system and emission control system.
Discontinue using gasohol of any kind if drivability problems occur. “E85” fuel is
an alternative fuel comprised of 85 percent ethanol and 15 percent gasoline, and is
manufactured exclusively for use in Flexible Fuel Vehicles. “E85” is not compatible
with your vehicle. Use of “E85” may result in poor engine performance and damage
to your vehicle’s engine and fuel system. Genesis Branded Vehicle recommends that
customers do not use fuel with an ethanol content exceeding 15 percent.
NOTICE
To prevent damage to your vehicle’s engine and fuel system:
• Never use gasohol which contains methanol.
• Never use gasohol containing more than 15% ethanol.
• Never use leaded fuel or leaded gasohol.
• Never use “E85” fuel.
Your New Vehicle Limited Warranty does not cover damage to the fuel system or any
performance problems caused by the use of “E85” fuel.
FUEL REQUIREMENTS

02
2-13
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 -20-10 010 20 30 4050
(°F) -10020 40 60 80 100120
Engine Oil
*10W-300W-30
*1 : For better fuel economy, it is recommended to use the engine oil of a viscosity grade
SAE 0W-30. However, if the engine oil is not available in your country, select the proper
engine oil using the engine oil viscosity chart.
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.

03
3-23
Front air ventilation seats
(if equipped)
OJX1039057L
• While the engine is running, touch
either of the air ventilation seat icons
to cool the driver’s seat or the front
passenger’s seat.
• Each time you touch the icon, the
airflow changes as follows:
OFF → HIGH ( ) → MIDDLE ( ) → LOW ( )
• If the air ventilation seat is positioned
at HIGH, the airflow speed will
increase according to vehicle speed.
• Use the air ventilation seat with the
air conditioning on for more effective
ventilation.
• It may take 3~5 minutes after switch
operation to feel the temperature
change.
• When touching the icon for more than
1.5 seconds with the air ventilation
seat operating, the operation will turn
OFF.
• The air ventilation seats defaults to
the OFF position whenever the Engine
Start/Stop button is pressed to the ON
position.
Rear Occupant Alert (ROA) (if
equipped)
Rear Occupant Alert is provided to help
prevent the driver from leaving the
vehicle with the rear passenger left in the
vehicle.
System setting
To use Rear Occupant Alert, it must be
enabled from the Settings menu in the
infotainment system screen. Select:
-Setup -> Vehicle Settings -> Convenience -> Rear Occupant Alert
For detailed information, refer to the
separately supplied manual.
System operation
• First alert
When you open the front door after
opening and closing the rear door and
turning off the engine, the ‘Check rear
seats’ warning message appears on
the cluster.
• Second alert
After the first alert, the second alert
operates when any movement is
detected in the vehicle after the
driver’s door is closed and all the
doors are locked. The horn will sound
for approximately 25 seconds. If
the system continues to detect a
movement, the alert operates up to 8
times.
Unlock the doors with the smart key
to stop the alert.
• The system detects movement in the
vehicle for 8 hours after the door is
locked.
• The second alert is activated only after
the prior activation of the first alert.

Safety System
3-52
How does the Air Bags System
Operate?
ORG3030023
The SRS consists of the following
components:
(1) Driver’s front air bag module
(2) Passenger’s front air bag module
(3) Front center air bag module
(4) Side air bag modules
(5) Curtain air bag modules
(6) Front retractor pre-tensioner
(7) Air bag warning light
(8) SRS control module (SRSCM) /
Rollover sensor
(9) Front impact sensors
(10) Side impact sensors
(11) Side pressure sensors
(12) Driver’s knee air bag module
(13) Occupant classification system
(14) Driver’s and front passenger’s seat
belt buckle sensors
ÃFront passenger’s air bag OFF lamp is
located on the overhead console. The SRSCM (Supplemental Restraint
System Control Module) continually
monitors all SRS components while
the Engine Start/Stop button is ON to
determine if a crash impact is severe
enough to require air bag deployment or
pre-tensioner seat belt deployment.
SRS warning light
The SRS (Supplemental Restraint System)
air bag warning light on the instrument
panel displays the air bag symbol
depicted in the illustration. The system
checks the air bag electrical system for
malfunctions. The light indicates that
there is a potential problem with your
air bag system, which could include
your side and/or curtain air bags used
for rollover protection (if equipped with
rollover sensor).

03
3-69
ACTIVE HOOD LIFT SYSTEM (IF EQUIPPED)
The active hood lift system can help
reduce a risk of injury to pedestrians
by raising the hood in certain accident
situations. The active hood lift system
has the additional deformation space
under the hood, which is made available
for subsequent head impact.
System Activation
Prerequisite for activation
The Engine Start/Stop button is in the
START position and the vehicle speed is
between about 15.5 mph (25 km/h) and
31 mph (50 km/h).
Information - Active hood lift
system repair
• If the active hood lift system has
been activated, do not place the hood
back by yourself. Have the system be
repaired by an authorized retailer of
Genesis Branded products.
• If you change or repair the front
bumper, have the system be checked
by an authorized retailer of Genesis
Branded products.
System activation
The active hood lift system is designed to
work in a frontal collision depending on
the intensity, speed or angles of impact
of the front collision
ORG3030056
ORG3030057
The system may activate when:
• The vehicle falls in the gutter or from a
high place
• An impact is detected by a frontal
collision without pedestrians in front.
• Certain high-speed frontal or angled
collision with a vehicle or barrier.

Immobilizer indicator light ........................................................................\
..............4-19
AUTO STOP indicator light ........................................................................\
..............4-20
Turn signal indicator light ........................................................................\
................4-20
High beam indicator light ........................................................................\
...............4-20
Low beam indicator light ........................................................................\
.................4-21
Light ON indicator light ........................................................................\
....................4-21
High Beam Assist indicator light ........................................................................\
......4-21
AUTO HOLD indicator light ........................................................................\
..............4-21
LCD Display Messages ........................................................................\
.......................4-22
Vehicle is on ........................................................................\
.....................................4-22
Shift to P ........................................................................\
...........................................4-22
Vehicle is in N. Press START button and shift to P .................................................4-22
Low key battery ........................................................................\
...............................4-22
Press brake pedal to start engine ........................................................................\
..4-22
Key not in vehicle ........................................................................\
............................4-22
Key not detected ........................................................................\
..............................4-22
Press START button again ........................................................................\
..............4-22
Place the smart key in the emergency start slot and press the start button .......4-23
Check BRAKE SWITCH fuse ........................................................................\
...........4-23
Shift to P or N to start engine ........................................................................\
..........4-23
Battery discharging due to external electrical devices .........................................4-23
Door, Hood, trunk open indicator
........................................................................\
...4-23
Sunroof open indicator ........................................................................\
...................4-24
Low tire pressure ........................................................................\
.............................4-24
Lights ........................................................................\
................................................4-24
Wiper ........................................................................\
................................................4-25
Low washer fluid ........................................................................\
..............................4-25
Low fuel ........................................................................\
............................................4-25
Low engine oil ........................................................................\
.................................4-25
Engine overheated ........................................................................\
...........................4-26
Check haptic steering wheel system ......................................................................4-26
Check headlight ........................................................................\
..............................4-26
Check turn signal ........................................................................\
............................4-26
Check headlamp LED ........................................................................\
.....................4-26
4

04
4 -7
WARNING
Never remove the engine coolant
reservoir cap when the engine is hot.
The engine coolant is under pressure
and could cause severe burn. Wait until
the engine is cool before adding coolant
to the reservoir.
Information
OJX1049061L
For 8-inch instrument cluster, you can
check the engine coolant temperature in
the Utility view on the cluster.
Refer to “View Modes” section in
chapter 4.
Fuel gauge
„„8-inch
OJX1049032
„„12.3-inch 3D
OJX1049044
This gauge indicates the approximate
amount of fuel remaining in the fuel tank.
Information
• The fuel tank capacity is given in
chapter 2.
• The fuel gauge is supplemented by
a low fuel warning light, which will
illuminate when the fuel tank is nearly
empty.
• On inclines or curves, the fuel gauge
pointer may fluctuate or the low fuel
warning light may come on earlier than
usual due to the movement of fuel in
the tank.

04
4-11
Warning and Indicator Lights
Information
Make sure that all warning lights are OFF
after starting the engine. If any light is still
ON, this indicates a situation that needs
attention.
Seat belt warning light
This warning light informs the driver that the seat belt is not fastened.
For more details, refer to “Seat Belts”
section in chapter 3.
Air bag warning light
This warning light illuminates:
• When you set the Engine Start/Stop
button to the ON position.
-The air bag warning light illuminates
for about 6 seconds and then turns
off when all checks have been
performed.
• The air bag warning light will remain
illuminated if there is a malfunction
with the Safety Restraint System (SRS)
air bag operation.
If this occurs, have the vehicle
inspected by an authorized retailer of
Genesis Branded products.
Parking brake & Brake fluid
warning light
This warning light illuminates:
• When you set the Engine Start/Stop
button to the ON position.
-The parking brake & brake fluid
warning light illuminates for about 3
seconds and will then turn off once
the parking brake is released.
• Whenever the parking brake is
applied.
• Whenever the brake fluid level in the
reservoir is low.
-If the warning light illuminates
with the parking brake released, it
indicates the brake fluid level in the
reservoir is low.
If the brake fluid level in the reservoir is
low:
1. Drive carefully to the nearest safe
location and stop your vehicle.
2. With the engine stopped, check the
brake fluid level immediately and add
fluid as required (For more details,
refer to “Brake Fluid” section in
chapter 9). After adding brake fluid,
check all brake components for fluid
leaks. If a brake fluid leak is found, or
if the warning light remains on, or if
the brakes do not operate properly, do
not drive the vehicle. Have the vehicle
inspected by an authorized retailer of
Genesis Branded products.

04
4-13
WARNING
Electronic Brake Force Distribution
(EBD) system warning light
When both ABS and Parking Brake &
Brake Fluid warning lights are on, the
brake system will not work normally
and you may experience an unexpected
and dangerous situation during sudden
braking.
If this occurs, avoid high speed driving
and abrupt braking.
Have the vehicle inspected by an
authorized retailer of Genesis Branded
products as soon as possible.
NOTICE
Electronic Brake Force Distribution
(EBD) system warning light
When the ABS warning light is on
or both ABS and Parking Brake &
Brake Fluid warning lights are on, the
speedometer, odometer, or tripmeter
may not work. Also, the EPS warning
light may illuminate and the steering
effort may increase or decrease.
If this occurs, have the vehicle
inspected by an authorized retailer of
Genesis Branded products as soon as
possible.
Electric Power Steering (EPS)
warning light
This warning light illuminates:
• When you set the Engine Start/Stop
button to the ON position.
-The electric powering steering
warning light illuminates for about 3
seconds and then goes off.
• Whenever there is a malfunction with
the electric power steering.
If this occurs, have the vehicle
inspected by an authorized retailer of
Genesis Branded products.
Charging system warning
light
This warning light illuminates:
When there is a malfunction with either
the alternator or electrical charging
system.
If there is a malfunction with either the
alternator or electrical charging system:
1. Drive carefully to the nearest safe
location and stop your vehicle.
2. Turn the engine off and check the
alternator drive belt for looseness or
breakage.
If the belt is adjusted properly, there
may be a problem in the electrical
charging system.
If this occurs, have the vehicle
inspected by an authorized retailer of
Genesis Branded products as soon as
possible.

Instrument Cluster
4-14
Engine oil pressure warning
light
This warning light illuminates:
When the engine oil pressure is low.
If the engine oil pressure is low:
1. Drive carefully to the nearest safe
location and stop your vehicle.
2. Turn the engine off and check the
engine oil level (For more details,
refer to “Engine Oil” section in
chapter 2). If the level is low, add oil
as required.
If the warning light remains on after
adding oil or if oil is not available, have
the vehicle inspected by an authorized
retailer of Genesis Branded products
as soon as possible.
NOTICE
• If the engine is not stopped
immediately after the Engine Oil
Pressure warning light is illuminated
while the engine is running, severe
damage could result.
• If the warning light stays on while the
engine is running, it indicates that
there may be serious engine damage
or malfunction. In this case:
1. Stop the vehicle as soon as it is
safe to do so.
2. Turn off the engine and check the
oil level. If the oil level is low, fill
the engine oil to the proper level.
3. Start the engine again. If the
warning light stays on after the
engine is started, turn the engine
off immediately. If this occurs,
have the vehicle inspected by
an authorized retailer of Genesis
Branded products.
Engine coolant temperature
warning light (for 8-inch
cluster)
The warning light illuminates:
When the temperature of the engine
coolant is extremely high.
Do not continue driving with an
overheated engine. If your vehicle
overheats, refer to “Overheating” section
in chapter 8.
NOTICE
If the Engine Coolant Temperature
warning light illuminates, it indicates
overheating that may damage the
engine.
Low fuel level warning light
This warning light illuminates:
When the fuel tank is nearly empty.
Add fuel as soon as possible.
NOTICE
Driving with the Low Fuel Level warning
light on or with the fuel level below “E”
can cause the engine to misfire and
damage the catalytic converter.