2019 HYUNDAI SONATA HYBRID service

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Convenient features of your vehicle
Hybrid Battery SOC (State of Charge) Gauge
This gauge indicates the remaining
hybrid battery power. If the SOC is
near the "L (Low)" level, the vehicle
automatically operates the engine to
charge the battery. However, if the Service Indicator ( )and Malfunction Indicator Lamp (MIL)
( ) turn on when the SOC gauge is
near the "L (Low)" level, have the vehi-
cle checked by an authorized
HYUNDAI dealer.
Never try to start the vehicle if the
fuel tank is empty. In this condi-
tion, the engine cannot charge the
high voltage battery of the hybrid
system. If you try to start the vehi-
cle when the fuel is empty, the
high voltage battery will become
discharged and damaged.
Plug-in hybrid mode indicator

: The high-voltage(hybrid) battery is
used to drive the
vehicle.

:The high-voltage
(hybrid) battery andgasoline engine is
used to drive the
vehicle.
: Gasoline engine isused to drive the
vehicle and charge
the high-voltage
(hybrid) battery
A corresponding message is displayed
to indicate the selected mode.
NOTICE
OLFPQ047105
OLFPQ047105K
■ Plug-in hybrid
■ Hybrid
OLFH047781N/OLFH047782N/OLFH047783N
OLFPQ047761
OLFPQ047762
OLFPQ047763

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Convenient features of your vehicle
3
Warning and indicator lights
Ready Indicator
This indicator illuminates :
When the vehicle is ready to be driv- en.
- ON : Normal driving is possible.
- OFF : Normal driving is not possible,
or a problem has occurred.
- Blinking : Limp home driving mode. When the ready indicator goes OFF
or blinks, there is a problem with the
system. In this case, have your vehi-
cle inspected by an authorized
HYUNDAI dealer.
Service Warning Light
This warning light illuminates :
When the Engine Start/Stop button is in the ON position.
- It normally flashes on momentar-ily for 3 seconds at Ready On and
should then stay off.
When there is a problem with the hybrid vehicle control system or
hardware.
When the warning light illuminates
while driving, or does not go OFF
after starting the vehicle have your
vehicle inspected by an authorized
HYUNDAI dealer.
EV Mode Indicator
This indicator illuminates when the
vehicle is driven by the electric
motor.
EV

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Convenient features of your vehicle
3
Low Tire Pressure
This warning message is displayed if
the tire pressure is low. The corre-
sponding tire on the vehicle will beilluminated.
For more information, refer to "Tire Pressure Monitoring System
(TPMS)" in chapter 6.
Turn on FUSE SWITCH
This warning message is displayed if
the fuse switch in the instrument
panel fuse, under the steering wheel
is OFF.
If this message is displayed, turn the
fuse switch on.
For more information, refer to
"Fuses" in chapter 7.
Align steering wheel (if equipped)
This warning message is displayed
when the steering wheel is turned by
90 degrees or wider, either to the left
or to the right, while running the
engine.
In order to align the steering wheel,
turn the wheel in the direction shown
while the engine is running to
straighten the steering wheel.
Steering wheel aligning is com-pleted (if equipped)
If the steering wheel aligning is com-
pleted after "Align steering wheel"
warning message is displayed, this
message is displayed for 2 seconds.
Low Washer Fluid
This warning message is displayed
in the service reminder mode, when
the washer fluid in the reservoir is
nearly empty.
If this warning message is displayed,
have the washer fluid reservoirrefilled.
Low Fuel
This warning message is displayed ifthe fuel tank is almost out of fuel.
When this message is displayed, the
vehicle range is approximately 48 km(30 miles).
When this message is displayed, the
low fuel level warning light in the
instrument cluster will come on.
It is recommended to look for the nearest fueling station and refuel as
soon as possible.

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Convenient features of your vehicle
LCD display control
The LCD display modes can be
changed by pressing the control
switches on the steering wheel. (1) :Changing LCD modes or
returning to previous posi-tion
(2) , : Changing items
(3) OK : Selecting or resetting
LCD modes
LL CC DD DD IISS PP LLAA YY
3
OLF047201
Modes SymbolDescription
Trip Computer
This mode displays information related to driving such
as tripmeter, fuel economy, etc.
For more information, refer to "Trip Computer" in
this chapter.
Turn By Turn (TBT)
(if equipped)This mode displays the state of the navigation.
Assist
(If equipped)
This mode displays the state of the Smart Cruise Control (SCC) and Lane Keeping Assist System (LKAS).
For more information, refer to "Smart Cruise Control
(SCC)" and Lane Keeping Assist System (LKAS) in
chapter 5.
This mode displays information related to Driver Attention Alert and Tire Pressure Monitoring System (TPMS).
For more information, refer to "Driver Attention Alert
(DAA)" in chapter 5 and "Tire Pressure Monitoring
System (TPMS)" in chapter 6.
User SettingsOn this mode, you can change settings of the doors,
lamps, etc.
Warning
This mode displays information such as tire pressure,service intervals, warning messages related to the
Smart Cruise Control, etc.

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Convenient features of your vehicle
Warning Message Mode
If one of followings occurs, warning
messages will be displayed on the
information mode for several sec-
onds.
- Malfunction of below systems
- Low washer fluid (if equipped)

(TPMS)
system (AEB)

User settings mode
In this mode, you can change the
setting of the instrument cluster,
doors, lamps, etc.
1. Driving Assist
2. Door
3. Lights
4. Sound
5. Convenience
6. Service interval
7. Other features
8. Reset
The information provided differs
according to the items applied to
your vehicle. 1. Driving Assist
LKAS (Lane Keeping Assist
System)
- Lane Departure Warning/Standard LKA/Active LKA
To adjust the sensitivity of the Lane
Keeping Assist System.
For more information, refer to the
"Lane Keeping Assist System" in
chapter 5.
DAA (Driver Attention Alert)
To adjust the sensitivity of the Driver
Attention Alert (DAA).
- Off/Normal/Early
For more information, refer to the
"Driver Attention Alert (DAA)" in
chapter 5.

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Convenient features of your vehicle
3
5. Convenience
Seat Easy Access
- Off: The seat easy access functionis 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 this chapter. Wireless Charging System
To activate or deactivate the wireless charging system in the front seat.
For more information, refer to
"Wireless Charging System" in
this chapter.
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.6. Service Interval
Enabled service Interval
To activate or deactivate the service
interval function.
Adjust Interval
If the service interval menu is acti-
vated, you may adjust the time and
distance.
Information
To use the service interval menu, con-
sult an authorized HYUNDAI dealer.
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Convenient features of your vehicle
If the service interval is activated and the time and distance is adjusted,
messages are displayed in the fol-
lowing situations each time the vehi-
cle is turned on.
- Service in: Displayed to inform the driver theremaining mileage and days to
service.
- Service required
: Displayed when the mileage anddays to service has been reachedor 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. 7. Other Features
Battery Saver+
To activate or deactivate the Aux.
Battery Saver+ function.
When activated, the high voltage bat-
tery is used to keep the 12V batterycharged.
For more information, refer to the
"Hybrid System Overview" provid-
ed in the front of the owner's man-ual.
Fuel Economy Auto Reset
- Off: The average fuel economy will
not reset automatically whenever refueling.
- After Ignition: The average fuel economy will reset automatically
whenever it has passed 4 hours
after turning OFF the engine.
- After recharging: The average fuel economy will reset automaticallywhen refueling.
For more information, refer to
"Trip Computer" in this chapter. Fuel Economy Unit
To select the fuel economy unit. (km/L, L/100, MPG)
Temperature Unit
To select the temperature unit.
(°C,°F)
Tire Pressure Unit
To select the tire pressure unit.
(psi, kPa, bar)
8. Reset
You can reset the menus in the User
Settings Mode. All menus in the User
Settings Mode are initialized, except
language and service interval.
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3
System operation
Ventilation
1. Set the mode to the position.
2. Set the air intake control to theoutside (fresh) air position.
3. Set the temperature control to the desired position.
4. Set the fan speed control to the desired speed.
Heating
1. Set the mode to the position.
2. Set the air intake control to theoutside (fresh) air position.
3. Set the temperature control to the desired position.
4. Set the fan speed control to the desired speed.
5. If dehumidified heating is desired, turn the air conditioning system on.
If the windshield fogs up, set the mode to the or position.
Operation Tips
To keep dust or unpleasant fumesfrom entering the vehicle through
the ventilation system, temporarily
set the air intake control to the
recirculated air position. Be sure to
return the control to the fresh airposition when the dust or odor has
dissipated to keep fresh air in the
vehicle. This will help keep the driv-
er alert and comfortable.
Air for the heating/cooling system is drawn in through the grilles just
ahead of the windshield. Care
should be taken that these are not
blocked by leaves, snow, ice or
other obstructions.
To prevent interior fog on the wind- shield, set the air intake control to
the fresh air position and fan speed
to the desired position, turn on theair conditioning system, and adjust
the temperature control to desired
temperature.
Air conditioning
HYUNDAI Air Conditioning Systems
are filled with R-134a refrigerant.
1. Start hybrid system. Push the air conditioning button.
2. Set the mode to the position.
3. Set the air intake control to the out- side air or recirculated air position.
4. Adjust the fan speed control and temperature control to maintain
maximum comfort.
The refrigerant system should only be serviced by trained and
certified technicians to insure
proper and safe operation.
The refrigerant system should be serviced in a well-ventilated
place.
The air conditioning evaporator (cooling coil) shall never berepaired or replaced with one
removed from a used or sal-
vaged vehicle and new replace-
ment MAC evaporators shall be
certified (and labeled) as meet-
ing SAE Standard J2842.
NOTICE