2015 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), have your
vehicle checked by an authorized
HYUNDAI dealer immediately.
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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 vehiclewhen 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 stopand 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 andshift 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 coulddamage the hybrid battery.

469
Features of your vehicle
Hybrid battery low! Do not startengine
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. The rearview camera will activate when
the back-up light is ON with the engine
start/stop button ON and the shift lever in
the R position.
This system is a supplemental system
that shows behind the vehicle through
the monitor while backing-up.✽ ✽
NOTICE
The rearview camera may not operate
normally, in extremely high or low
temperatures (operating temperature :
-13°F~149°F (-20°C~65°C)).
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REAR VIEW CAMERA (IF EQUIPPED)
WARNING
This system is a supplementary
function only. It is the responsi-
bility of the driver to always
check the inside/outside rearview
mirror and the area behind the
vehicle before and while backing
up.
Always keep the camera lens clean. If the lens is covered with
foreign matter, the camera may
not operate normally.
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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 5 minutes.
However, if the driver’s door is opened
and closed, the headlights are turned off
after 15 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 multifunction switch is on “DRL
OFF” position.
4. Parking brake ON.
LIGHTING
CAUTION
If the driver gets out of the vehicle through other doors, the batterysaver function does not operate.Therefore, it causes the battery tobe discharged. In this case, make sure to turn off the lamp before get-ting 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 thesensor (1) located on the instru-ment panel. This will ensure prop-er auto-light system control.
Don’t clean the sensor using a window cleaner. The cleaner mayleave a light film which could interfere with sensor operation.
If your vehicle has window tint or other types of metallic coating onthe front windshield, the Autolight system may not work prop-erly.
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WARNING
Do not use the high beams improp-
erly. Always follow local laws and
regulations when using the high
beams. Using high beam could
obstruct the other driver's vision,
causing an accident, resulting in
injury or death.

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 lightsconsume large amounts of vehicleelectrical power. Only use the foglights when visibility is poor orunnecessary battery and generator drain could occur.
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Features of your vehicle
78
4
Map lamp
Type A
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 gradu-
ally 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 position, 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 press-
ing 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 engineis 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.