2013 Hyundai Sonata Hybrid charging

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What to do in an emergency
Jump starting procedure
1. Open the cover of battery in trunk room.
2. Make sure the booster battery is 12-
volt and that its negative terminal is
grounded.
3. If the booster battery is in another vehi-
cle, do not allow the vehicles to touch.
4. Turn off all unnecessary electrical loads.
5. Connect the jumper cables in the exact
sequence shown in the illustration.
First connect one end of a jumper
cable to the positive terminal of the
discharged battery (1), then connect
the other end to the positive terminal
on the booster battery (2). Proceed to
connect one end of the other jumper
cable to the negative terminal of the
booster battery (3), then the other end
to a solid, stationary, metallic point (for
example, the trunk latch) away from
the battery (4). Do not connect it to or
near any part that moves when the
engine is cranked.
Do not allow the jumper cables to con-
tact anything except the correct battery
terminals or the correct ground. Do not
lean over the battery when making
connections.6. Start the engine of the vehicle with the
booster battery and let it run at 2,000
rpm, then start the engine of the vehi-
cle with the discharged battery.
If the cause of your battery discharging is
not apparent, you should have your vehi-
cle checked by an authorized HYUNDAI
dealer.
Push-starting
Vehicles equipped with automatic
transaxles cannot be push-started.
Follow the directions in this section for
jump-starting.CAUTION- Battery cables
Do not connect the jumper cable
from the negative terminal of the
booster battery to the negative ter-
minal of the discharged battery.
This can cause the discharged bat-
tery to overheat and crack, releas-
ing battery acid.
WARNING
Never tow a vehicle to start it
because the sudden surge forward
when the engine starts could cause
a collision with the tow vehicle,
resulting in serious injury or death.

Maintenance
34 7
For best 12V battery service
The 12V battery is in the trunk.
Keep the 12V battery securely mount-
ed.
Keep the 12V battery top clean and
dry.
Keep the terminals and connections
clean, tight, and coated with petroleum
jelly or terminal grease.
Wipe any spilled electrolyte from the
12V battery immediately with a solu-
tion of water and baking soda.
If the vehicle is not going to be used for
an extended time, disconnect the 12V
battery cables.
BATTERY (12V)
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WARNING- Battery
dangers
Always read the following
instructions carefully when
handling a battery.
Keep lighted cigarettes and
all other flames or sparks
away from the battery.
Hydrogen, a highly com-
bustible gas, is always
present in battery cells and
may explode if ignited.
Keep batteries out of the
reach of children because
batteries contain highly
corrosive SULFURIC ACID.
Do not allow battery acid to
contact your skin, eyes,
clothing or paint finish.
(Continued)
(Continued)
If any electrolyte gets into
your eyes, flush your eyes
with clean water for at least
15 minutes and get immedi-
ate medical attention.
If electrolyte gets on your
skin, thoroughly wash the
contacted area. If you feel a
pain or a burning sensa-
tion, get medical attention
immediately.
Wear eye protection when
charging or working near a
battery. Always provide
ventilation when working in
an enclosed space.
An inappropriately disposed
battery can be harmful to
the environment and human
health. Dispose the battery
according to your local
law(s) or regulation.
(Continued)
Pb

735
Maintenance
12V Battery recharging
Your vehicle has a maintenance-free,
calcium-based battery.
If the 12V battery becomes discharged
in a short time (because, for example,
the headlights or interior lights were
left on while the vehicle was not in
use), jump start it from another vehi-
cle’s 12V battery or recharge it by slow
charging (trickle) for 10 hours.
If the 12V battery gradually discharges
because of high electric load while the
vehicle is being used, recharge it at 20-
30A for two hours.CALIFORNIA PROPOSI-
TION 65 WARNING
Battery posts, terminals, and relat-
ed accessories contain lead and
lead compounds, chemicals known
to the State of California to cause
cancer, birth defects and reproduc-
tive harm. Batteries also contain
other chemicals known to the State
of California to cause cancer. Wash
hands after handling.
CAUTION
When you don’t use the vehicle
for a long time in the low temper-
ature, remove the 12V battery and
store it indoors.
Always charge the 12V battery
fully to prevent 12V battery case
damage in low temperatures.
If you connect unauthorized elec-
tronic devices to the 12V battery,
the 12V battery may be dis-
charged. Never use unauthorized
devices.
(Continued)
When lifting a plastic-cased bat-
tery, excessive pressure on the
case may cause battery acid to
leak, resulting in personal injury.
Lift with a battery carrier or with
your hands on opposite corners.
Never attempt to recharge the
battery when the battery cables
are connected.
The electrical ignition system
works with high voltage. Never
touch these components with the
engine running or the engine
start/stop button positioned on.
Failure to follow the above warn-
ings can result in serious bodily
injury or death.

Maintenance
36 7
Reset items
Items should be reset after the 12V bat-
tery has been discharged or the 12V bat-
tery has been disconnected.
Auto up/down window (See section 4)
Sunroof (See section 4)
Trip computer (See section 4)
Climate control system
(See section 4)
Clock (See section 4)
Audio (See section 4)WARNING
Before performing maintenance
or recharging the 12V battery,
turn off all accessories and stop
the engine.
The negative battery cable must
be removed first and installed
last when the 12V battery is dis-
connected.
Operation related to the 12V bat-
tery should be done in an author-
ized HYUNDAI dealer.
WARNING- Recharging
12V battery
When recharging the battery,
observe the following precautions:
The battery must be removed
from the vehicle and placed in an
area with good ventilation.
Do not allow cigarettes, sparks,
or flame near the battery.
Watch the battery during charg-
ing, and stop or reduce the charg-
ing rate if the battery cells begin
gassing (boiling) violently or if
the temperature of the electrolyte
of any cell exceeds 120°F (49°C).
Wear eye protection when check-
ing the battery during charging.
Disconnect the battery charger in
the following order.
1. Turn off the battery charger main
switch.
2. Unhook the negative clamp from
the negative battery terminal.
3. Unhook the positive clamp from
the positive battery terminal.

H2
The Hyundai Hybrid Electric Vehicle
(HEV) uses a gasoline engine and an
electric motor for power. The electric
motor is run from a 280V high voltage
HEV battery.
Depending on the driving conditions,
the HEV computer decides whether to
use the engine or use the electric
motor or even both at times.
Fuel is saved when the engine is not
running at idle or when the vehicle is
driven by the electric motor from the
HEV battery.
The HEV battery charge must be
maintained for the times when the
engine acts as a generator, such as
when stopped at idle. Charging also
occurs when decelerating or by
regenerative braking.Display of Hybrid system
Many displays provide information about
the hybrid system, such as, ECO level
and ECO score.
Through the ECO LEVEL, the driver can
understand the benefits of economical
driving.
If the driver is using economical driving
techniques, the ECO LEVEL rises. This
means the CO2 emissions are reduced.
In TOTAL ECO SCORE, when you reach
the maximum step of ECO LEVEL, the
ECO system calculates the score and
saves the score.ECO level display flower mode.1
When the hybrid vehicle is started, the
ECO level step 4 is displayed. If you drive
economically, the ECO level will be
upgraded.
- However, if you do not drive economically,
the ECO level will be down-graded.
HYUNDAI HYBRID SYSTEM
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