2021 GENESIS GV80 engine

Driving Your Vehicle
6-48
Idle Stop and Go helps reduce fuel
consumption by automatically shutting
down the engine, when the vehicle is
at a standstill (i.e. red stop light, stop
sign, and traffic jam) subject to certain
prerequisite conditions being satisfied as
listed below.
The engine is automatically started upon
satisfying the starting conditions.
ISG system is always active, when the
engine is running.
Information
When the engine is automatically started
by ISG system, warning lights (i.e. ABS,
ESC, ESC OFF, EPS, and parking brake
warning light) may illuminate for a few
seconds due to low battery voltage.
However, it does not indicate a
malfunction with ISG system.
ISG System Operation
Prerequisite for activation
ISG system operates in the following
situations.
• The driver's seatbelt is fastened
• The driver's door and hood are closed
• The brake vacuum pressure is
adequate
• The battery sensor is activated and
the battery is sufficiently charged
• Outside temperature is not too low or
too high
• The vehicle is driven over a constant
speed and stops
• The climate control system satisfies
the conditions
• The vehicle is sufficiently warmed up
• ISG related parts are working properly
• The incline is gradual
• The steering wheel is turned less than
180 degrees and then the vehicle
stops
Information
ISG system is not activated, when the
prerequisites to activate the ISG system
are not satisfied. If this occurs, the ISG
OFF button indicator illuminates, and the
Auto Stop (
) indicator illuminates in
yellow on the instrument cluster.
When the Auto Stop (
) indicator stays
on the instrument cluster, have the system
inspected by an authorized retailer of
Genesis Branded products.
Auto stop
When ISG is on the engine will be
stopped automatically when both of the
following occurs:
1. Vehicle speed decreases to 0mph (0 km/h) full stop condition.
2. Brake pedal is depressed and gear is
in D (Drive) or N (Neutral).
The Auto Stop (
) indicator illuminates
in green on the instrument cluster, when
the engine stops.
Information
Idle stop cannot reoccur again until the vehicle speed goes above 3 mph (5 km/h) and then returns again to the automatic
stop conditions as previously mentioned.
IDLE STOP AND GO (ISG)

06
6-49
In the Auto Stop mode, if the engine
hood is opened, ISG system will be
deactivated.
OJX1069052LOJX1069052L
When the system is deactivated, the ISG
off button indicator will illuminate and
a message ‘Auto Stop error. Shift to P or
N to start engine manually’ appears on
the cluster LCD display with a warning
sound.
If this occurs, depress the brake pedal
and restart the engine manually.
Auto start
When the engine stops automatically by
ISG, the engine will restart if one of the
following is done.
-Release the brake pedal.
-When Auto Hold is activated, take
your foot off the brake pedal and then
depress the accelerator pedal.
-While depressing the brake pedal,
shift the gear from N (Neutral) or D
(Drive) to R (Reverse) or P (Park).
-While depressing the brake pedal,
shift the gear from N (Neutral) to D
(Drive).
The Auto Stop (
) indicator goes off on
the instrument cluster, when the engine
is restarted.
LCD display messages
The messages are displayed on the
instrument cluster to help use ISG
system.
OJX1069069LOJX1069069L
Auto stop error. Shift to P or N to start
engine manually
When the system is deactivated, the ISG
off button indicator will illuminate and
a message will appear on the cluster
LCD display with a warning sound in the
following situations.
- When the engine hood is opened.
-When ISG system is not working
normally.
If this occurs, depress the brake pedal
and restart the engine manually. For your
safety, restart the vehicle in the P (Park)
position.

Driving Your Vehicle
6-50
OJX1069071LOJX1069071L
Press brake pedal before driving on
When the gear is shifted from N (Neutral)
to R (Reverse), D (Drive) or Manual
shift mode without the brake pedal
depressed, a message will appear on
the cluster LCD display. To activate auto
start, depress the brake pedal.
OJX1069044OJX1069044
AUTO STOP elapsed time
AUTO STOP display shows the elapsed
time of engine stop by the Idle Stop and
Go system.
You may check AUTO STOP elapsed time
in the Utility view on the instrument
cluster.
Refer to “View Modes” section in
chapter 4.
ISG System Off
OJX1069052OJX1069052
Press the ISG OFF button to turn off ISG
system. The ISG OFF button indicator will
illuminate. To use the system, press the
ISG OFF button again.

06
6-51
Forced to Restart Engine
The engine is automatically restarted in
the following situations.
• The brake vacuum pressure is low
• 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) or R
(Reverse) 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
OJX1069041LOJX1069041L[A] : Battery sensor
If the AGM battery is reconnected or
replaced, ISG system will not operate
immediately. If you want to use the
system, the battery sensor needs to be
calibrated for approximately 4 hours
with the engine off.
After calibration, turn the engine on and
off 2 or 3 times.

Driving Your Vehicle
6-52
When certain conditions are met, the
engine is automatically decoupled from
the transmission while gear remains in D
(Drive). When Coasting is operating, the
engine stays at idling speed to reduce
fuel consumption and increase coasting
distance.
Coasting Setting
OJX1069045LOJX1069045L
• The Coasting function must be turned
ON from the Settings menu in the
infotainment system screen. Select:
-Setup → Vehicle Settings → Drive
Mode → Coasting
See additional information in
supplied Infotainment Manual.
• When Coasting is turned ON and
the conditions are met, the function
operates with a ‘Coasting’ message
illuminated on the instrument cluster.
Coasting Operating Conditions
The Coasting function will operate when
the accelerator pedal is depressed and
released under the following conditions.
• ECO is selected for driving mode
• ECO or Smart is selected for
Powertrain in the CUSTOM menu
(if equipped) from the infotainment
system screen. If Smart is selected,
driver acceleration should be mild
• The gear is in D (Drive)
• The Smart Cruise Control button is
OFF
• The accelerator or brake pedal is not
depressed
• The vehicle’s speed is within 30~100 mph (50~160 km/h) range
• The road gradient is within -5~+5%
range
Information
• If the front radar for smart cruise
control system cannot operate
normally, the inter-vehicle distance
and relative speed condition are
automatically ignored.
• The Coasting function works after the
engine is turned on, the transmission is
warmed up, and the engine sensor self-
diagnosis is completed.
• Depending on the driving situation,
Coasting operation may be temporarily
delayed even if the above conditions are
met.
COASTING (IF EQUIPPED)

06
6-53
Coasting Release Conditions
The Coasting function will be
automatically released when the
following conditions are met.
• Comfort or Sport is selected for
driving mode
• The driver uses the paddle shifter
• Smart Cruise Control is activated (Set
speed appears on the cluster)
• The vehicle’s speed exceeds 30~100 mph (50~160 km/h) range
• The road gradient is under -5% or over
+5%
• If the distance between the vehicle
ahead is too close or the relative
speed changes momentarily in Smart
mode
• If lane change is predicated in Smart
mode (e.g. the turn signal is turned
ON or a LKA warning appears due to
steering wheel control, etc.)
Information
It is recommended to turn off the
Coasting function if you are driving under
frequently stop-and-go condition. Change
the drive mode to Comfort or Sport or
deselect Coasting from the infotainment
system screen.
NOTICE
• If the accelerator pedal is pressed
quickly for accelerating with the
Coasting function in operation,
acceleration may occur after the
engagement of the clutch inside the
transmission. In turn, the driver may
continue to feel acceleration even
after the system is turned off.
• Driving with the Coasting function
off may be required in some cases
since the engine brake is not applied
while the Coasting function is
operating.
• Operating the infotainment system
screen to activate or deactivate
the Coasting function while driving
may be dangerous as the driver’s
attention is distracted.

06
6-55
Limitations of ECO mode
If the following conditions occur while
ECO mode is operating, the system
operation is limited even though there is
no change in the ECO indicator.
• When coolant temperature is low:
The system will be limited until engine
performance becomes normal.
• When driving up a hill:
The system will be limited to gain
power when driving uphill because
engine torque is restricted.
• When driving the vehicle in manual
shift mode using the paddle shifter.
The system will be limited according
to the shift location.
SPORT mode
SPORT mode provides sporty but firm riding.
In SPORT mode, the fuel
efficiency may decrease.
• When SPORT mode is selected, the
SPORT indicator will illuminate on the
instrument cluster.
• Whenever the engine is restarted,
the drive mode will revert back to
COMFORT mode. If SPORT mode is
desired, re-select SPORT mode.
• When SPORT mode is activated:
-The engine RPM will tend to remain
raised over a certain length of time
even after releasing the accelerator
-Upshifts are delayed when
accelerating
CUSTOM mode (if equipped)
In CUSTOM mode, the driver can select separate modes for
each items in the infotainment
system screen.
- Powertrain: ECO/Comfort/Sport/
Smart
-Steering wheel: Comfort/Sport
-Suspension: Comfort/Sport
(if equipped with ECS)
-AWD: ECO/Comfort/Sport
(if equipped with AWD system)
See additional information in supplied
Infotainment Manual.
• When CUSTOM mode is selected, the
CUSTOM indicator will illuminate on
the instrument cluster.
• Whenever the engine is restarted,
the drive mode will revert back to
COMFORT mode. If CUSTOM mode is
desired, re-select CUSTOM mode.

Driving Your Vehicle6-56
ACTIVE SOUND DESIGN (IF
EQUIPPED)
Road Active Noise Control helps reduce
noise caused while driving.
The system may not operate properly in
the following conditions:
- Any of the window is open
-Any of the door is open
-The sunroof is open
-The liftgate is open
-Vehicle’s microphone and speaker is
blocked by loads
System Malfunction
OJX1069055LOJX1069055L
When Road Active Noise Control is not
working properly, this warning message
will appear on the cluster LCD display. If
this occurs, have the system inspected
by an authorized retailer of Genesis
Branded products.
ROAD ACTIVE NOISE
CONTROL (IF EQUIPPED)
• Active Sound Design is a function
that provides enhanced virtual engine
sound when the driver is depressing
the accelerator pedal.
• You can activate or deactivate Active
Sound Design function from the
Settings menu in the infotainment
system screen. Select:
-Setup → Vehicle Settings → Active
Sound Design → Ehanced/Standard/
Minimized/Off, or
-Setup → Sound Settings → Active
Sound Design → Enhanced/
Standard/Minimized/Off
See additional information in
supplied Infotainment Manual.
• Any unauthorized replacement of
the vehicle’s speaker and amplifier
may cause Active Sound Design to
malfunction.
SEMI ACTIVE ENGINE MOUNT
(IF EQUIPPED)
If the Semi Active Engine Mount is
equipped to improve vehicle’s noise and
vibration, you may hear a clack noise
from the solenoid valve of the semi
active engine mount when the vehicle
enters or exits a certain mode such as
speed or engine RPM. This is a normal
condition and is not a malfunction of the
system.