2019 HYUNDAI SONATA HYBRID heating

H38
Maintaining Hybrid mode to pro-tect engine (Plug-in hybrid)
The hybrid system will automatically
stop after sufficient heating. (If the
hybrid system is turned OFF without
sufficient heating, the hybrid system
maintenance mode will be operated
once more.
Energy flow
The hybrid system informs the driv-
ers its energy flow in various operat-
ing modes. While driving, the current
energy flow is specified in 11 modes.
Vehicle Stop
The vehicle is stopped.
(No energy flow)
EV Propulsion
Only the motor power is used to drive
the vehicle.
(Battery ➞Wheel)
■ Type A■ Type B
OLFH047778L/OLFH047214L
OLFP047769N
DDRRIIVV IINN GG TT HH EE HH YY BBRRIIDD //PP LLUU GG--IINN HH YY BBRRIIDD VV EEHH IICC LLEE (( CC OO NNTT..))
■ Type A■ Type B
OLFH047768L/OLFH047216L

2-21
Safety system of your vehicle
While the engine is running, push
either of the switches to warm the dri-
ver's seat or front passenger's seat.
During mild weather or under condi-
tions where the operation of the seat
warmer is not needed, keep the
switches in the OFF position.
Each time you push the switch, thetemperature setting of the seat is
changed as follows :
When pressing the switch for more than 1.5 seconds with the seat
warmer operating, the seat warmer
will turn OFF. The seat warmer defaults to the
OFF position whenever the Engine
Start/Stop button is in the ON posi-tion.
Information
With the seat warmer switch in the
ON position, the heating system in the
seat turns off or on automatically
depending on the seat temperature.
i
2
OLFH037017
OLFH037021
■ Type A
■Type B
OFF HIGH ( )
LOW ( ) MIDDLE ( )



OFF HIGH ( )
LOW ( ) MIDDLE ( )



■
Type A
■ Type B

2-23
Safety system of your vehicle
2
Rear seat warmers (if equipped)
While the engine is running, push
either of the switches to warm the rearseat.
During mild weather or under condi-
tions where the operation of the seat
warmer is not needed, keep the
switches in the OFF position.Each time you push the switch, the
temperature setting of the seat is
changed as follows :
The seat warmer defaults to the OFF
position whenever the Engine
Start/Stop button is in the ON position.
Information
With the seat warmer switch in the
ON position, the heating system in the
seat turns off or on automatically
depending on the seat temperature.
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OFF HIGH ( ) LOW ( )

OLF034028

Light .......................................................................3-98Exterior Lights .................................................................3-98
Smart High Beam ..........................................................3-100
Welcome System ...........................................................3-106
Interior Lights ................................................................3-107
Wipers and washers ..........................................3-111 Windshield Wipers ........................................................3-111
Windshield Washers .....................................................3-112
Driver assist system ..........................................3-113 Rear view camera .........................................................3-113
Rear parking assist system ........................................3-114
Rear parking assist system precautions .................3-117
Defroster .............................................................3-118 Rear Window Defroster ..............................................3-118
Automatic climate control system ...................3-119 Automatic heating and air conditioning ..................3-120
Manual heating and air conditioning .......................3-121
System operation ..........................................................3-129
System maintenance ....................................................3-131
Windshield defrosting and defogging ............3-133 Automatic Climate Control System ...........................3-134
Defogging logic..............................................................3-135
Climate control additional features.................3-136 Automatic Ventilation ...................................................3-136
Sunroof Inside Air Recirculation ...............................3-136 Storage compartment ........................................3-137
Center Console Storage ..............................................3-137
Glove Box ........................................................................3-137
Sunglass Holder.............................................................3-138
Multi box .........................................................................3-138
Interior features.................................................3-139 Wireless Cellular Phone Charging System..............3-139
Cup Holder ......................................................................3-141
Sunvisor ...........................................................................3-142
Power Outlet ..................................................................3-142
Clock .................................................................................3-144
Clothes Hanger ..............................................................3-144
Floor Mat Anchor(s).....................................................3-145
Rear curtain....................................................................3-146
Side Curtain ....................................................................3-147
Luggage Net Holder .....................................................3-147
3

3-78
Convenient features of your vehicle
Engine overheated
This warning message is displayed
when the engine coolant tempera-
ture is above 120°C (248°F). This
means that the engine is overheated
and may be damaged.
If your vehicle is overheated, refer
to "Overheating" in chapter 6.
Check headlight (if equipped)
This warning message is displayed,
if the headlamps are not operating
properly. The headlamp bulb may
need to be replaced. If the vehicle is
equipped with LED headlamps, have
the vehicle inspected by an author-
ized HYUNDAI dealer.Information
Make sure to replace the burned out
bulb with a new one of the same
wattage rating.
Check headlamp LED (if equipped)
This warning message is displayed if
there is a problem with the LED
headlamp. Have the vehicle inspect-
ed by an authorized HYUNDAI deal-
er.
Check headlamp cooling fan(if equipped)
This warning message is displayed if
there is a problem with headlamp
fan. Have the vehicle inspected by an
authorized HYUNDAI dealer.
Check smart high beam system
(if equipped)
This warning message is displayed if
there is a problem with the Smart
High Beam System. Have the vehicle
inspected by an authorized
HYUNDAI dealer.
For more information, refer to
"Smart High Beam System" in
chapter 3.
i

3-84
Convenient features of your vehicle
EV/HEV/CHG modes (Plug-in hybrid)
A corresponding message is dis-
played when a mode is selected by
pressing the HEV button
Battery charged. Maintainingcurrent mode/Low battery.
Maintaining hybrid mode (Plug-in hybrid)
A corresponding message is dis-
played when the high-voltage
(hybrid) battery is fully charged or
nearly discharged.
Charging complete.Switching to Hybrid mode
(Plug-in hybrid)
The message is displayed when the
high-voltage (hybrid) battery is fullycharged, and when the mode is
changed to the HEV mode.
Low/High System Temp. Maintaining Hybrid mode
(Plug-in hybrid)
A corresponding message is dis-
played when the temperature of the
high-voltage (hybrid) battery is too
low or too high. This warning mes-
sage is to protect the battery and the
hybrid system.
Low/High System Temp. Switching to Hybrid mode
(Plug-in hybrid)
A corresponding message is dis-
played when the temperature of the
high-voltage (hybrid) battery is too
low or high. This warning message is
to protect the battery and the hybridsystem.
Switching to Hybrid mode tolubricate engine (Plug-in hybrid)
To prevent damage of the hybrid
lubrication system when the hybrid
system has not been started for a
long time.
- When the hybrid system is ON after 5 weeks of being turned off, the
hybrid system maintenance mode
will operate.
- When the hybrid system mainte- nance mode is operated, HEV
mode will be kept on after the
hybrid system is ON and the above
message will be displayed on the
cluster.
If you press the HEV switch to shift
EV mode during engine mainte-
nance mode, the above message will
appear due to priority of the hybrid
system maintenance mode.
Maintaining Hybrid mode to pro- tect engine (Plug-in hybrid)
The hybrid system will automatically
stop after sufficient heating. (If the
hybrid system is turned OFF without
sufficient heating, the hybrid system
maintenance mode will be operated
once more.

3-120
Convenient features of your vehicle
Automatic heating and air con- ditioning
1. Press the AUTO button.
The modes, fan speeds, air intake and air-conditioning will be controlledautomatically according to the tem-
perature setting.2. Turn the temperature control knob
to set the desired temperature. Information
 To turn the automatic operation off, select any button of the following:
- Mode selection button
- Front windshield defrost button(Press the button one more time to
deselect the front windshield
defroster function. The 'AUTO'
sign will illuminate on the infor-
mation display once again.)
- Fan speed control button
The selected function will be con-
trolled manually while other func-
tions operate automatically without
'AUTO' sign.
 For your convenience, use the AUTO button and set the tempera-
ture to 23 °C (73 °F).
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OLFH047742
OLFH047743

3-121
Convenient features of your vehicle
3
Information
A solar compensation sensor is located
inside the vehicle on the center of the
dash near the front windshield. In
order to ensure optimum control of
the heating and cooling system, never
block the sensor or place anything
near the sensor while the climate con-
trol system is operating.
Manual heating and air condi- tioning
The heating and cooling system can
be controlled manually by pushing
buttons other than the AUTO button.
In this case, the system workssequentially according to the order of
buttons selected. When pressing any
button except the AUTO button while
using automatic operation, the func-tions not selected will be controlled
automatically.
1. Start hybrid system.
2. Set the mode to the desired posi- tion.
For improving the effectiveness of heating and cooling;
- Heating: - Cooling:
3. Set the temperature control to the desired position. 4. Set the air intake control to the
outside (fresh) air position.
5. Set the fan speed control to the desired speed.
6. If air conditioning is desired, turn the air conditioning system on.
Press the AUTO button in order to
convert to full automatic control ofthe system.
i
OLFH047744