2012 Hyundai Sonata Hybrid Owner's Manual

H4
Hyundai SONATA hybrid system notifies
customers of energy flow through
MODE.
As condition of vehicle drive, eleven
MODEs show drivers the current operat-
ing system.
Vehicle Stop
This mode means the
vehicle stop.
(No energy flow)
EV Propulsion
Motor power is used to
move the vehicle.
(Battery ➞Wheel)
Power Assist
Motor and Engine
power are used to
move the vehicle.
(Battery & Energy ➞
Wheel)
Engine Only Propulsion
Engine power is used
to move the vehicle.
(Engine ➞Wheel)
Engine Generation
When the vehicle is
stopped, Engine charges
the high voltage battery.
(Engine ➞Battery)
SONATA HEV ENERGY FLOW
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H5
Regeneration
By the regenerative
brake system, the high
voltage battery is
charged.
(Wheel ➞Battery)
Engine Brake
This is the brake situa-
tion of vehicle used to
Engine Friction.
(Wheel ➞Engine)
Power Reserve
When the engine oper-
ates the vehicle, simul-
taneously the battery is
charged.
(Engine ➞ Wheel &
Battery)
Engine Generation/Motor Drive
The engine charges
the high voltage bat-
tery. The motor oper-
ates the vehicle.
(Engine ➞Battery ➞
Wheel)
Engine Generation/Regeneration
The engine and regen-
erative brake system
charges the high volt-
age battery.
(Engine & Wheel ➞ Battery)
Engine Brake/Regeneration
The engine friction is
used to vehicle brake
system and the regen-
erative brake charges
the hybrid battery.
(Wheel ➞Engine &
Battery)
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H6
Starting the engine
1. Carry the smart key or leave it insidethe vehicle.
2. Make sure the parking brake is firmly applied.
3. Place the shift lever in the P(Park) position. In N(Neutral) position, you
can not start the vehicle.
4. Depress the brake pedal.
5. Press the engine start/stop button.
6. In extremely cold weather or after the vehicle has not been operated for sev-
eral days, let the engine warm up with-
out depressing the accelerator.
Whether the engine is cold or warm, it
should be started without depressing
the accelerator.
if it is far away from you, the engine
may not start.
in the ACC or ON position, if any door
is open, the system checks for the
smart key. If the smart key is not in
the vehicle, the warning, "Key is not
in vehicle" will come on, and if all
doors are closed, the chime will also
sound for about 5 seconds. The indi-
cator will turn off while the vehicle is
moving. Keep the smart key in the
vehicle when using the ACC position
or if the vehicle engine is on. IF the starting procedure is followed,
the "READY" symbol on the instru-
ment cluster will turn on. For more
details, Please check chapter 5.
ECONOMICAL and SAFE OPERA-
TION of Hybrid system
Drive smoothly. Accelerate at a mod-
erate rate and maintain a steady cruis-
ing speed. Don't make "jack-rabbit"
starts. Don't race between stoplights.
Avoid heavy traffic whenever possible.
Always maintain a safe distance from
other vehicles so you can avoid unnec-
essary braking. This also reduces
brake wear.
The regenerative brake generates energy when the vehicle decelerates.
When the hybrid battery power is low, the hybrid system automatically
recharges the hybrid battery.
When the engine runs in "N" position, the hybrid system can not generate
electricity. The hybrid battery cannot
recharge in "N" position. Please check
chapter 5.
✽ ✽ NOTICE
In the hybrid system, the engine auto-
matically runs and stops. If the hybrid
system operates, the "READY" symbol
is illuminated.
In the following situation, the engine
may operate automatically.
- When the engine is ready to run
- When the hybrid battery is charged
- Depending on the temperature condi-
tion of the hybrid battery
STARTING THE HYBRID VEHICLE (SMART KEY)

H7
THE COMPONENTS OF HYBRID VEHICLE
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1. Engine : 2.4L
2. Drive Motor : 30kW
3. Transmission : 6AT
4. Hybrid Starter Generator (HSG)
5. High voltage battery system6. HPCU (Hybrid Power Control Unit)
7. Electric Water Pump (EWP)
8. Brake system with hydraulic booster
9. Electric air-conditioning compressor
10. Electric Oil Pump (EOP)

H8
The hybrid system caution for safety
THE COMPONENTS OF HYBRID VEHICLE (CONT.)
WARNING
In the hybrid system, the hybrid
battery uses high voltage to oper-
ate the motor and other compo-
nents. This high voltage hybrid bat-
tery system can be very dangerous.
Never touch the hybrid system. If
you touch the hybrid battery sys-
tem, serious injury or death may
occur.
WARNING
The high voltage warning label is
attached to the components of high
voltage is orange. Never touch the
wires, cables and connectors as
possible. If not, serious injury or
death causes.
WARNING
When you replace the fuses, Be
careful the HPCU. Never touch the
HPCU. If not, it may result in HPCU
warning.
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WARNING
• Do not disassemble the high volt-age motor connector. If not, it
may result in death or serious
injury.
Your vehicle's hybrid system should only be inspected or
repaired by an authorized
Hyundai dealer.

H9
WARNING
Do not disassemble or assemblethe package module. Doing so
may result in death or serious
injury.
If you disassemble or assemble hybrid system components
improperly, it may damage the
performance and reliability of
your vehicle.
If electrolyte comes in contact with your body, clothes or eyes,
immediately flush with a large
quantity of fresh tap water. Have
your eyes examined by a doctor
as soon as possible.
WARNING
Never assemble or disassemble the
high voltage battery system.
If you assemble or disassemblethe high voltage battery system
arbitrarily, the durability and per-
formance of vehicle may be dam-
aged.
When you want to check the high voltage battery system, have the
vehicle checked and inspected by
an authorized HYUNDAI dealer.
Do not touch the high voltage battery and high voltage cable
connected to motor(orange
color). If not, severe burns and
electric shock may occur. For
your safety, do not touch the
cover of electronic components
and electronic cable. Do not
remove the cover of electronic
components and electronic cable
arbitrarily. In particular, Never
touch the high voltage battery
system when the hybrid system
operated. If not, it may result if
death or serious injury.
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WARNING
Never use the package modules(high voltage battery, inverter,
converter) for any other purpose.
Do not use an after-market bat- tery charger to charge the high
voltage battery. Doing so may
result in death or serious injury.
Never put into a fire. Doing so may result in serious burns.
Never drill into, strike or other- wise damage the package mod-
ules. Doing so may result in seri-
ous injury or death.
CAUTION
When the vehicle is paint baked, do not pass 30 minutes in 158°F(70°C) or 20 minutes in 176°F(80°C) degree.
When you clean the engine com- partment, do not wash usingwater. Water may cause an elec-tric shock to occur and damageelectronic parts and components.

H10
Service plug
This service plug (1) located in the rear
trunk as shown should always be pulled
out to disconnect and turn off the hybrid
system.
IMPORTANT: Wait 5 minutes after this
lever is disconnected to work on the
car to assure all remaining charge in
the system has dissipated.
THE COMPONENTS OF HYBRID VEHICLE (CONT.)
WARNING
This hybrid vehicle uses the hybrid
battery system inverter and con-
verter to generate high voltage.
High voltage in the hybrid battery
system is very dangerous and can
cause severe burns and electric
shock. This may result in serious
injury or death.
For your safety, never touch,replace, dismantle or remove the
hybrid battery system including
components, cables and connec-
tors. Severe burns or electric
shock may result in serious
injury or death if you do not fol-
low this warning.
When the hybrid battery system operates, the hybrid battery sys-
tem can be hot. Always be care-
ful because burns or electric
shock maybe caused by high
voltage.
Do not drop water or liquid to HPCU, HSG, Motor and fuses. The
hybrid system components are
covered, If you drop water or liq-
uid to hybrid system components,
it may result in electronic shock.
WARNING
This plug is attached to the hybrid
battery system, which contains
very dangerous high voltage.
Touching the service lever may
cause severe burns or electric
shock. When you touch it, be care-
ful not to damage.
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H11
The special features of hybrid
vehicle.
Hybrid vehicles sound different than
gasoline engine vehicles. When the
hybrid system operates, you may hear a
sound from the hybrid battery system
behind the rear seat. If you apply the
accelerator pedal rapidly, you may hear a
sound. when you apply the brake pedal,
you may hear a sound from the regener-
ative brake system. When the hybrid sys-
tem is turned off or on, you may hear a
sound in the engine compartment. If you
depress the brake pedal repeatedly
when the hybrid system is turned on, you
may hear a sound in the engine com-
partment. None of these sounds indicate
a problem. They are characteristics of
hybrid vehicles.
If any of following occur, it's not a unnor-
mal condition even if you may hear a
motor sound in the engine compartment.
- After turning off the hybrid system, thebrake pedal is released.
- When the hybrid system is turned off, the brake pedal is applied.
- When the driver door is opened. When the hybrid system is turned on, the
engine may run or not. In this situation,
you may feel a vibration. This does not
indicate a malfunction. If the "READY"
symbol is turned on, the hybrid system
starts. Even if the engine is off, you can
operate the vehicle.
WARNING
The hybrid system contains many
electronic components. High volt-
age components like cables and
other parts may emit electromag-
netic waves. Even if the electro-
magnetic cover blocks electromag-
netic emissions, electromagnetic
waves may have an effect on elec-
tronic appliances. If you park the
vehicle for a long time, the hybrid
system will discharge. You need to
drive the vehicle several times per
month. We recommend driving at
least 1 hour or 10 miles when you
drive the vehicle. If the hybrid bat-
tery is discharged and if it is impos-
sible to jump start the vehicle con-
tact your Hyundai dealer.
WARNING
When you start the hybrid system
in the "P" transmission position,
the "READY" symbol is illuminat-
ed in the cluster. The driver can
drive the vehicle even if the
engine is stopped.
When you leave the vehicle, you should turn off the hybrid system
or shift into the "P" position. If
you depress the accelerator
pedal by mistake and the vehicle
is not in the "P" position, the
vehicle will move abruptly. This
may result in serious injury or
death.