2021 HYUNDAI SONATA HYBRID engine

04
4-23
Check Hybrid system
This message is displayed when there
is a problem with the hybrid system.
Refrain from driving when the warning
message is displayed.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
Stop safely and check Hybrid system
This message is displayed when there is
a problem with the hybrid system. The
“
” indicator will blink and a warning
chime will sound until the problem is
solved. Refrain from driving when the
warning message is displayed.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
Check Hybrid system. Do not start
engine
This message is displayed when the
hybrid battery power (SOC) level is low.
A warning chime will sound until the
problem is solved. Refrain from driving
when the warning message is displayed.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
Stop safely and check power supply
This message is displayed when there is
a problem in the power supply system.
If this occurs, park the vehicle in a safe
location and tow your vehicle to the
nearest authorized HYUNDAI dealer and
have the vehicle inspected.
Check virtual engine sound system
This message is displayed when there is
a problem with the Virtual Engine Sound
System (VESS).
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
Refuel to prevent Hybrid battery
damage
This message is displayed when the fuel
tank is nearly empty.
You should refill the fuel tank to prevent
hybrid battery damage.
Refill inverter coolant
This message is displayed when the
inverter coolant is nearly empty.
You should refill the inverter coolant.
Park with engine On to charge
battery
This message is displayed when the
hybrid battery power (SOC) level is low.
If this occurs, park the vehicle in a safe
location and wait until the hybrid battery
is charged.
Start engine to avoid battery
discharge
This message is displayed to inform the
driver the 12V battery may be discharged
if the ignition switch is in ON position
(without the
indicator ON).
Set the vehicle to the ready () mode
to prevent the 12V battery from being
discharged.

Instrument Cluster
4-32
3. Door
ItemsExplanation
Auto Lock •
Disable : The auto door lock operation will be deactivated.
• Enable on Speed: All doors will be automatically locked when the
vehicle speed exceeds 9 mph (15 km/h).
• Enable on Shift: All doors will be automatically locked if the
automatic transmission shift button is pressed from the P (Park)
position to the R (Reverse), N (Neutral), or D (Drive) position.
(Vehicle is in the ready mode)
Auto Unlock •
Disable : The auto door unlock operation will be canceled.
• On key out/Vehicle Off : All doors will be automatically unlocked
when the ignition key is removed from the ignition switch or the
Engine Start/Stop button is set to the OFF position.
• On Shift to P: All doors will be automatically unlocked if the
automatic transmission shift button is pressed to P (Park) position.
(Vehicle is in the ready mode)
Two Press Unlock •
Off: The two press unlock function will be deactivated. Therefore,
all doors will unlock if the door unlock button is pressed.
• On: Only the driver’s door will unlock if the door unlock button is
pressed. When the door unlock button is pressed again within 4
seconds, the remaining doors will unlock.
Horn Feedback To activate or deactivate the horn feedback.
If the horn feedback is activated, after locking the door by pressing
the lock button on the remote key, and pressing it again within 4
seconds, the horn feedback sound will operate once to indicate that
all doors are locked (if equipped with remote key).
Smart Trunk To activate or deactivate the smart trunk.
For more information, refer to “Smart trunk” in chapter 5.
4. Lights
Items
Explanation
One Touch Turn
Signal •
Off: The one touch turn signal function will be deactivated.
• 3, 5, 7 Flashes: The turn signal indicator will blink 3, 5, or 7 times
when the turn signal lever is moved slightly.
For more information, refer to “Lighting” in chapter 5.
Ambient Light
Brightness To adjust the brightness of the ambient light.
Ambient Light Color To select the ambient light color.
Headlight Delay •
To activate or deactivate the headlamp delay function.
For more information, refer to “Lighting” in chapter 5.
High Beam Assist •
To activate or deactivate High Beam Assist (HBA) system.
For more information, refer to “High Beam Assist (HBA)” in
chapter 5.

04
4-33
5. Sound
ItemsExplanation
Cluster Voice
Guidance Volume To adjust the cluster voice guidance volume.
Welcome sound To activate or deactivate the welcome sound.
6. Convenience
Items Explanation
Seat Easy Access •
Off: The seat easy access function is deactivated.
• Normal/Extended: When you turn off the engine, the driver’s
seat will automatically move rearward short (Normal) or long
(Extended) for you to enter or exit the vehicle more comfortably.
For more information, refer to “Driver Position Memory System”
in chapter 5.
Rear Occupant Alert To activate or deactivate the rear occupant alert.
Welcome Light •
On driver approach: The welcome light turns on automatically
when the vehicle is approached with the smart key.
For more information, refer to ‘’Welcome System’’ in chapter 5.
Wireless Charging
System To activate or deactivate the wireless charging system in the front
seat.
For more information, refer to “Wireless cellular phone charging
system” in chapter 5.
Wiper/Lights Display To activate or deactivate the Wiper/ Light mode.
When activated, the LCD display shows the selected Wiper/Light
mode whenever you changed the mode.
Gear Position Pop-
up To activate or deactivate the gear position pop-up.
When activated, the gear position will be displayed on the LCD
display.
Vehicle Auto-Shut
Off The feature is to turn off the vehicle automatically after a certain
amount of time (30 or 60 mins), to prevent CO toxication when the
vehicle is on and parked in a garage for a long time.
Select the time to delay automatic shut off when the vehicle is
parked with the engine on.

04
4-35
8. Other
ItemsExplanation
Fuel Econ. Reset •
Off: The average fuel economy will not reset automatically
whenever refueling.
• After ignition: When the engine has been OFF for 4 hours or
longer the average fuel economy will reset automatically.
• After refueling: The average fuel economy will reset
automatically after adding 1.6 gallons (6 liters) of fuel or more
and after driving speed exceeds 1 mph (1 km/h).
For more information, refer to “Trip Computer” in this
chapter.
Speed Unit (if equipped) To select the speed unit. (km/h, MPH)
Fuel Econ. Unit To select the fuel economy unit.
Temperature Unit To select the temperature unit. (°C,°F)
Tire Pressure Unit To select the tire pressure unit. (psi, kPa, bar)
9. ECO vehicle
Items
Explanation
Coasting Guide •
Enable Coasting Guide : On/Off
To inform driver when taking foot off from accelerator pedal
by getting information from Navigation system.
• Sound
To adjust the sound of coasting guide.
Start Coasting •
Early/Normal/Late
To select options when Coasting Pop-up is displayed.
10. Language (if equipped)
Items Explanation
Language Choose the language. You can choose the language in infotainment
system. (if equipped)
11. Reset
Items
Explanation
Reset You can reset the menus in the User Settings Mode. All menus in the
User Settings Mode are reset to factory settings, except language
and service interval.
Ã
The information provided may differ depending on which functions are applicable
to your vehicle.

Instrument Cluster
4-36
Trip Computer
The trip computer is a microcomputer-
controlled driver information system that
displays information related to driving.
Information
Some driving information stored in the
trip computer (for example Average
Vehicle Speed) resets if the battery is
disconnected.
Trip modes
!ŸAverage Fuel Economy
!Ÿ Instant Fuel Economy Fuel Economy
Accumulated Info
Drive Info
Digital Speedometer
!Ÿ
Tripmeter
!Ÿ Fuel Economy
!Ÿ Timer
!Ÿ Tripmeter
!Ÿ Fuel Economy
!Ÿ Timer
Drive Mode
Engine Coolant Temperature
ODN8A069203
To change the trip mode, toggle the “, ” switch on the steering wheel.
Average fuel economy/
Instant fuel economy
OIK047124N
Average Fuel Economy (1)
•
The average fuel economy is
calculated by the total driving
distance and fuel consumption since
the last average fuel econ om y reset.
• The average fuel economy can
be reset both manually and
automatically.
Manual reset
To clear the average fuel economy
manually, press the OK button on the
steering wheel for more than 1 second
when the average fuel economy is
displayed.

04
4-37
Automatic reset
To automatically reset the average fuel
economy after refueling, select the "Fuel
Econ. Reset" mode in the User Settings
menu on the LCD display.
-After Ignition: When the engine has
been OFF for 4 hours or longer the
average fuel economy will reset
automatically.
-After Refueling: The average fuel
economy will reset automatically after
adding 1.6 gallons (6 liters) of fuel or
more and after driving speed exceeds
1 mph (1 km/h).
Information
The vehicle must be driven for a minimum
of 0.19 miles (300 meters) since the last
ignition key cycle before the average fuel
economy will be recalculated.
Instant Fuel Economy (2)
The instantaneous fuel economy is
displayed according to the bar graph in
the LCD display while driving.
Accumulated Info display
OIK047174N
This display shows the accumulated trip
distance (1), the average fuel economy
(2), and the total driving time (3).
The information is accumulated starting
from the last reset. To reset the information, press and
hold the OK button when viewing the
Accumulated driving info. The trip
distance, the average fuel economy,
and total driving time will reset
simultaneously.
The accumulated driving information will
continue to be counted while the engine
is still running (EX: when the vehicle is in
traffic or stopped at a stop light).
Information
The vehicle must be driven for a minimum
of 300 meters (0.19 miles) since the last
ignition key cycle before the average fuel
economy will be recalculated.
Drive Info display
OIK047176N
This display shows the trip distance (1),
the average fuel economy (2), and the
total driving time (3).
The information is combined for each
ignition cycle. However, when the engine
has been OFF for 4 hours or longer the
Drive Info screen will reset.
To manually reset the information, press
and hold the OK button when viewing
the Drive Info. The trip distance, the
average fuel economy, and total driving
time will reset simultaneously.
The driving information will continue
to be counted while the engine is still
running (for example, when the vehicle is
in traffic or stopped at a stop light).

Instrument Cluster
4-38
Information
The vehicle must be driven for a minimum
of 0.19 miles (300 meters) since the last
ignition key cycle before the average fuel
economy will be recalculated.
Digital speedometer
OIK047151N
The digital speedometer display shows
the speed of the vehicle.
Smart shift
ODN8059274L
This mode displays the currently selected
drive mode.
For more information, refer to "Drive
Mode Integrated Control System'' in
chapter 6.
Engine coolant temperature
OLFH047285L
This engine coolant temperature gauge
display shows the temperature of the
engine coolant when the engine is
running.
NOTICE
When the gauge indicator gets out of
the normal range, toward the “H(Hot)”
position, it indicates overheating of the
engine. It may damage the engine.
Do not continue driving with the
overheated engine.
For more details, refer to “If the Engine
Overheats” section in the chapter 7.

04
4-41
Utility View Mode
The Utility view mode displays
information related to vehicle driving
parameters including fuel economy and
trip distance information.
Utility Items
The utility items appear as well in utility
view mode, driving assist view mode and
turn by turn view mode. The utility items
in utility view mode display in the center
of the instrument cluster but the items in
other modes show up on the right side of
the instrument cluster.
The information provided may differ
depending on which functions are
applicable to your vehicle.
Fuel Economy Information
The average fuel economy and instant
fuel economy are displayed
• Manual reset: Press and hold OK
button to initialize set up
• Automatic reset: Automatically reset
the average fuel economy when the
set-up conditions are satisfied in User
Settings menu.
Driving Information
The trip distance for each ignition cycle,
fuel economy (undisplayed item in fuel
economy: driving speed), trip time
are shown. Press and hold OK button
to initialize set up. When the engine
has been OFF for 4 hours or longer
the average fuel economy will reset
automatically. Information after Refueling
The vehicle information such as trip
distance, fuel economy (undisplayed
item in fuel economy: driving speed)
and trip time is displayed after refueling.
Press and hold OK button to initialize set
up.
Accumulated Information
The vehicle information such as trip
distance, fuel economy (undisplayed
item in fuel economy: driving speed)
and trip time is displayed after manual
initialization.
Digital Speed Display
It shows current vehicle speed.
Driver Attention Warning
Display the status of the Driver Attention
Warning system. When the engine is
off or the vehicle comes to a stop, the
system is reset. Press and hold OK button
to initialize set up.
Smart Shift
It shows the currently selected drive
mode.
Tire pressure
It shows information related to Tire
Pressure.