2013 Hyundai Sonata Hybrid Battery

Features of your vehicle
66 4
Check brake
If the 'Check brake' is displayed this indi-
cates there may be a malfunction with
the brake system or with the regenerative
brake system. Refer to page 4-56 for the
related information. Have the system
checked by an authorized HYUNDAI
dealer as soon as possible.
Check charging system
This warning will illuminate along with an
indicator light and warning chime if there
is a malfunction with the LDC (Low volt-
age DC inverter) system.
✽ ✽
NOTICE
The 'Check Charging system' warning
may occur when the battery voltage
level is too low. However, once the bat-
tery is charged by the engine, the warn-
ing may turn off.
Check active air flap system
This warning will be illuminated as fol-
lows:
- If an actuator flap malfunction is detected
- If an actuator air flap controller mal-
function is detected
- If the air flap does not open when
required.
When all the conditions causing the warn-
ing to be illuminated have been cleared,
the warning will turn off.
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WARNING
Driving with the 'check brake' on is
dangerous. Have the system
checked by an authorized HYUNDAI
dealer as soon as possible.

467
Features of your vehicle
✽ ✽
NOTICE
• The above warning message may
appear even though the active air flap
has not malfunctioned. If this occurs,
check the air flap for foreign matter
or if the flap has frozen.
• If the active air flap has frozen, the
warning message may not illuminate
immediately.
State of charge
This State of Charge(SOC) gauge indi-
cates the remaining Hybrid battery power.
If the SOC is near L level, the vehicle
automatically operates the engine to
charge the battery. However, if the service
indicator and MIL(Malfunction indicator
lamp) turn on when the State of
Charge(SOC) is near L(Low), the vehicle
should be towed. Refer to chapter 6 for
towing information.
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CAUTION
Never try to start the vehicle if the
fuel tank is empty. In this condition,
the engine cannot charge the high
voltage battery of the hybrid sys-
tem. If you try to start the vehicle
when the fuel is empty, the high
voltage battery will become dis-
charged and be damaged.

Features of your vehicle
68 4
Refuel now to prevent Hybrid battery
damage
If the fuel tank is nearly empty, a message
“Refuel now to prevent Hybrid battery
damage!” will appear on the LCD display.
Also, the chime will sound several times.
You must stop and obtain additional fuel
as soon as possible.
Hybrid system warning! Safely stop
and do not drive
If the hybrid system error occurs, a mes-
sage “Hybrid system warning! Safely
stop and do not drive” will appear on the
LCD display and the Ready indicator will
blink. Also, the chime will sound until the
problem is resolved.
Have the vehicle towed to an authorized
HYUNDAI dealer to inspect the hybrid
system.
Hybrid battery low! Safely stop and
shift to “P”
If the SOC (State Of Charge) is very low,
a message “Hybrid battery low! Safely
stop and shift to “P”” will appear on the
LCD display.
To charge the hybrid battery, stop in a
safe place and move the shift gear to the
P(Park) position as soon as possible.
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CAUTION
Avoid driving with very low fuel
level. Running out of fuel could
damage the hybrid battery.

469
Features of your vehicle
Hybrid battery low! Do not start
engine
If the engine does not start and SOC
(State Of Charge) is very low, a message
“Hybrid battery low! Do not start engine”
will appear on the LCD display. Also, the
chime will sound until the problem is
resolved.
Have the vehicle towed to an authorized
HYUNDAI dealer to inspect the hybrid
system and the engine.
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471
Features of your vehicle
Battery saver function
The purpose of this feature is to pre-
vent the battery from being dis-
charged. The system automatically
turns off the parking lights when the
driver turns off the hybrid system and
opens the driver-side door.
With this feature, the parking lights will
be turned off automatically if the driver
parks on the side of the road at night.
If necessary, to keep the lights on
when the vehicle is off, perform the fol-
lowing:
1) Open the driver-side door.
2) Turn the parking lights OFF and ON
again using the light switch on the
steering column.
Headlamp delay (if equipped)
If you press the engine start/stop button
to the ACC or OFF position with the
headlights ON, the headlights (and/or tail
lights) remain on for about 20 minutes.
However, if the driver’s door is opened
and closed, the headlights are turned off
after 30 seconds.
The headlights can be turned off by
pressing the lock button on the smart key
twice or turning the light switch to the
OFF or Auto position.
However, if you turn the light switch to the
Auto position when it is dark outside, the
headlights will not be turned off.
Headlamp welcome function
When the headlight switch is in the ON or
AUTO position and all doors (and trunk)
are closed and locked, if you press the
door unlock button on the smart key, the
headlights will come on for about 15 sec-
onds. At this time, if you press the door
lock button on the smart key, the head-
lights will turn off immediately.
Daytime running light
(if equipped)
Daytime Running Lights (DRL) can make
it easier for others to see the front of your
vehicle during the day. DRL can be help-
ful in many different driving conditions,
and it is especially helpful after dawn and
before sunset.
The DRL system will turn OFF when:
1. The headlight is ON.
2. Engine stops.
3. If the multifuntion switch is on “DRL
OFF” position.
4. Parking brake ON.
LIGHTING
CAUTION
If the driver gets out of the vehicle
through doors other than the (dri-
ver's door), the battery saver func-
tion does not operate and the head
lamp delay does not turn off auto-
matically. Therefore, the battery may
become discharged. In this case,
make sure to turn off the lamps
before getting out of the vehicle.

473
Features of your vehicle
Auto light position (if equipped)
When the light switch is in the AUTO light
position, the taillights and headlights will
be turned ON or OFF automatically
depending on the amount of light outside
the vehicle.
High beam operation
To turn on the high beam headlights,
push the lever away from you. Pull it back
for low beams.
The high beam indicator will light when
the headlight high beams are switched on.
To prevent the battery from being dis-
charged, do not leave the lights on for a
prolonged time while the engine is not
running.
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CAUTION
Never place anything over the
sensor (1) located on the instru-
ment panel. This will ensure bet-
ter auto-light system control.
Don’t clean the sensor using a
window cleaner. The cleaner may
leave a light film which could
interfere with sensor operation.
If your vehicle has window tint or
other types of metallic coating on
the front windshield, the Auto
light system may not work prop-
erly.
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WARNING
Do not use high beam when there
are other vehicles. Using high
beam could obstruct the other dri-
ver's vision.

475
Features of your vehicle
Front fog light (if equipped)
Fog lights are used to provide improved
visibility when visibility is poor due to fog,
rain or snow etc. The fog lights will turn
on when fog light switch (1) is turned to
ON after the headlights are turned on.
To turn off the fog lights, turn the switch
to OFF.
CAUTION
When in operation, the fog lights
consume large amounts of vehicle
electrical power. Only use the fog
lights when visibility is poor or
unnecessary battery and generator
drain could occur.
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Features of your vehicle
78 4
Map lamp
Push the lens to turn the map lamp on or
off. This light produces a spot beam for
convenient use as a map lamp at night or
as a personal lamp for the driver and the
front passenger.
In the DOOR position, the map
lamp and the room lamp come
on when any door is opened
regardless of the engine
start/stop button position.When doors are unlocked by
the smart key, the map lamp
and the room lamp come on for
approximately 30 seconds as
long as any door is not open.
The map lamp and the room
lamp goes out gradually after
approximately 30 seconds if the
door is closed. However, if the
engine start/stop button is ON
or all doors are locked, the map
lamp and the room lamp will
turn off immediately. If a door is
opened with the engine
start/stop button in the ACC or
LOCK position, the map lamp
and the room lamp stay on for
about 20 minutes. However, if a
door is opened with the engine
start/stop button in the ON posi-
tion, the map lamp and the
room lamp stay on continuously.
The light stays on at all times.
The lights turn off even if a door
is opened.
❈ When the lamp is turned ON
by pressing the lens (1) the
lamp does not turn off even if
the switch (2) is in the OFF
position.
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INTERIOR LIGHT
CAUTION
Do not use the interior lights for
extended periods when the engine
is not running.
It may cause battery discharge.
WARNING
Do not use the interior lights when
driving in the dark. Accidents could
happen because the view may be
obscured by interior lights.