2020 HYUNDAI SONATA HYBRID battery

04
4-9
Information
• If the vehicle is not on level ground or
the battery power has been interrupted,
the range function may not operate
correctly.
• The range may differ from the actual
driving distance as it is only an estimate
of the available driving range for the
vehicle and driving conditions.
• The trip computer may not register
additional fuel if less than 1.6 gallon (6
liters) of fuel are added to the vehicle.
• The range may vary significantly based
on driving conditions, driving habits,
and condition of the vehicle.
Transmission Shift Indicator
(if equipped)
Automatic transmission shift
indicator
„„Type A, B
OIG046112
„„Type C
ODN8A049009
This indicator displays which shift button
position is selected.
„„Type A, B
OIK047141
„„Type C
ODN8A049029
Shift Indicator Pop-up
The pop-up that indicates the current
gear position is displayed in the cluster
for about 2 seconds when shifting into
other positions (P/R/N/D).
The shift indicator pop-up function can
be activated or deactivated from the
User Settings mode in the cluster LCD
display.

04
4-13
Malfunction Indicator Lamp
(MIL)
This warning light illuminates:
• When you place the Engine Start/Stop
button to the ON position.
-The malfunction indicator light
illuminates for about 3 seconds and
then goes off.
• Whenever there is a malfunction with
either the emission control system or
the engine or the vehicle powertrain.
If this occurs, have the vehicle
inspected by an authorized HYUNDAI
dealer.
NOTICE
Driving with the Malfunction Indicator
Lamp (MIL) on may cause damage to
the emission control system which
could affect drivability and/or fuel
economy.
NOTICE
If the Malfunction Indicator Lamp
(MIL) illuminates, potential catalytic
converter damage is possible which
could result in loss of engine power.
In this case, have the vehicle inspected
by an authorized HYUNDAI dealer as
soon as possible.
Charging System Warning
Light
When this warning light illuminates while
the engine is running, the battery is not
being charged. Immediately turn OFF
all electrical accessories. Try not to use
electrically operated controls, such as
the power windows. Keep the engine
running.
Have the vehicle inspected by an
authorized HYUNDAI dealer as soon as
possible.
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
information, refer to "Engine Oil" in
chapter 8). 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
HYUNDAI dealer as soon as possible.

04
4-19
LCD Display Messages
Shift to P to start engine
This message is displayed if you try to
start the vehicle with the shift button in
any other position except the P (Park)
position.
Shift to P
This message is displayed if you try to
turn off the engine without the shift
button in P (Park) position.
If this occurs, the Engine Start/Stop
button turns to the ACC position (If you
press the Engine Start/Stop button once
more, it will turn to the ON position).
Low key battery
This warning message is displayed if the
battery of the smart key is discharged
while changing the Engine Start/Stop
button to the OFF position.
Press brake pedal to start engine
This warning message is displayed if the
Engine Start/Stop button changes to
the ACC position twice by pressing the
button repeatedly without depressing
the brake pedal.
You can start the vehicle by depressing
the brake pedal and then pressing the
Engine Start/Stop button.
Key not in vehicle
This warning message is displayed if the
smart key is not in the vehicle when you
press the Engine Start/Stop button.
When attempting to start the vehicle,
always have the smart key with you.
Key not detected
This warning message is displayed if the
smart key is not detected when you press
the Engine Start/Stop button.
Press START button again
This message is displayed if you were
unable to start the vehicle when the
Engine Start/Stop button was pressed.
If this occurs, attempt to start the engine
by pressing the Engine Start/Stop button
again.
If the warning message appears each
time you press the Engine Start/Stop
button, have your vehicle inspected by
an authorized HYUNDAI dealer.
12V battery discharging due to
additional electrical devices
This message is displayed if the 12V
battery voltage is weak due to any
non-factory electrical accessories (ex.
dashboard camera) while parking. Be
careful that the battery is not discharged.
If the message appears after removing
the non-factory electrical accessories,
we recommend that you have the vehicle
inspected by an authorized HYUNDAI
dealer.

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
4-34
7. Service interval
ItemsExplanation
Enable Service
Interval To activate or deactivate the service interval function.
Information
To use the service interval menu, consult an authorized HYUNDAI dealer.
If the service interval is activated and the time and distance is adjusted, messages are
displayed in the following situations each time the vehicle is turned on.
-
Service in
: Displayed to inform the driver the remaining mileage and days to service.
-Service required
: Displayed when the mileage and days to service has been reached or passed.
Information
If any of the following conditions occur, the mileage and number of days to service may be
incorrect.
-The battery cable is disconnected.
-The fuse switch is turned off.
-The battery is discharged.

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.

5
Closing the Sunroof ........................................................................\
...........................5-57
Resetting the Sunroof ........................................................................\
........................5-58
Sunroof Open Warning ........................................................................\
......................5-58
Solar Roof ........................................................................\
................................5-59How to Use ........................................................................\
.........................................5-59
Battery Charging Amount ........................................................................\
..................5-59
Solar Roof Operation Lamp ........................................................................\
...............5-59
Check Solar Roof Operation ........................................................................\
..............5-59
Consume and Generating amount up to environmental condition ......................5-60
System Malfunction ........................................................................\
...........................5-61
Exterior Features ........................................................................\
.....................5-62Hood ........................................................................\
....................................................5-62
Trunk ........................................................................\
....................................................5-63
Emergency Trunk Safety Release ........................................................................\
.....5-64
Fuel Filler Door ........................................................................\
..................................5-68
Head Up Display (HUD) ........................................................................\
..........5-70
Lighting
........................................................................\
.....................................5-72Exterior Lights ........................................................................\
....................................5-72
Interior Lights ........................................................................\
.....................................5-78
Welcome System ........................................................................\
................................5-81
Wipers and Washers ........................................................................\
...............5-82Windshield Wipers ........................................................................\
.............................5-82
Windshield Washers ........................................................................\
...........................5-83
Rear View Monitor (RVM) ........................................................................\
.......5-84Rear View Monitor with Parking Guidance ..............................................................5-84
Rear View Monitor - Top View ........................................................................\
..........5-84
Surround View Monitor (SVM) .......................................................................5-86
Reverse Parking Distance Warning (PDW)
....................................................5-87Operation of Reverse Parking Distance Warning System ........................................5-87
To Turn off Reverse Parking Distance Warning System ..........................................5-89
Non-Operational Conditions of Reverse Parking Distance Warning System ........5-89
Reverse Parking Distance Warning System Precautions ........................................5-90

Convenient Features
5-10
Smart key precautions
The smart key may not work if any of the
following occur:
• The smart key is close to a radio
transmitter such as a radio station or
an airport which can interfere with
normal operation of the transmitter.
• The smart key is near a mobile two
way radio system or a cellular phone.
• Another vehicle’s smart key is being
operated close to your vehicle.
If the smart key does not work correctly,
open and close the door with the
mechanical key. If you have a problem
with the smart key, contact an authorized
HYUNDAI dealer.
If the smart key is in close proximity to
your mobile phone, the signal could be
blocked by your mobile phone’s normal
operational signals. This is specifically
relevant when the phone is active such
as making and receiving calls, text
messaging, and/or sending/receiving
emails. When possible, avoid keeping the
smart key and your mobile phone in the
same location such as a pants or jacket
pocket in order to avoid interference
between the two devices.
Information
This device complies with Part 15 of the
FCC rules.
Operation is subject to the following three
conditions:
1. This device may not cause harmful
interference, and
2. This device must accept any
interference received, including
interference that may cause undesired
operation.
3. Changes or modifications not expressly
approved by the party responsible
for compliance could void the user’s
authority to operate the device.
NOTICE
Keep the smart key away from
electromagnetic materials that blocks
electromagnetic waves to the key
surface.
NOTICE
Always have the smart key with you
when leaving the vehicle. If the smart
key is left near the vehicle, the vehicle
battery may be discharged.
Battery replacement
OFE048009
ODN8059266
If the Smart Key is not working properly,
try replacing the battery with a new one.