2013 Hyundai Sonata Hybrid service

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Driving your vehicle
In the event of brake failure
If service brakes fail to operate while the
vehicle is in motion, you can make an
emergency stop with the parking brake.
The stopping distance, however, will be
much greater than normal.
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NOTICE
1) When you apply the brake repeatedly,
you may hear the sound the electric
hydraulic pump or motor operating.
This is a normal condition.
2) The following types of pedal applica-
tions may result in the brake pedal
feeling different, however it is normal
condition.
- When you apply the pedal quickly
- When you apply the pedal continu-
ously and repeatedly
- While braking, when the ABS oper-
ated
(Continued)
Wet brakes may impair the vehi-
cle’s ability to safely slow down;
the vehicle may also pull to one
side when the brakes are applied.
Applying the brakes lightly will
indicate whether they have been
affected in this way. Always test
your brakes in this fashion after
driving through deep water. To
dry the brakes, apply them lightly
while maintaining a safe forward
speed until brake performance
returns to normal.
Always, confirm the position of
the brake and accelerator pedal
before driving. If you don't check
the position of the accelerator
and brake pedal before driving,
you may depress the accelerator
instead of the brake pedal. It may
cause a serious accident.
Do not turn off the Hybrid system
while going down a hill. The brake
booster may not work sufficiently
and the braking distance may be
longer.
(Continued)(Continued)
If the brake pedal does not return
to its normal position when
released, there may be a malfunc-
tion in the brake system. Take
your vehicle to an authorized
HYUNDAI dealer and have the
system checked.
To avoid applying the brakes do
not get too close to the vehicle in
front of you and try to avoid
going down steep roads or sharp
corning if the power assisted
brakes are not functioning nor-
mally. The vehicle will stop but
the braking distance may be
longer.
WARNING- Parking brake
Applying the parking brake while
the vehicle is moving at normal
speeds can cause a sudden loss of
control of the vehicle. If you must
use the parking brake to stop the
vehicle, use great caution in apply-
ing the brake.
CAUTION
If the driver’s door is not firmly
closed, the auxiliary battery may be
discharged because the brake con-
troller remains in standby opera-
tion. To prevent the battery from
being discharged, ensure the door
is fully closed.

Driving your vehicle
16 5
Disc brakes wear indicator
Your vehicle has disc brakes.
When your brake pads are worn and new
pads are required, you will hear a high-
pitched warning sound from your front
brakes or rear brakes. You may hear this
sound come and go or it may occur when-
ever you depress the brake pedal.
Please remember that some driving condi-
tions or climates may cause a brake
squeal when you first apply (or lightly
apply) the brakes. This is normal and does
not indicate a problem with your brakes.
Parking brake
Applying the parking brake
To engage the parking brake, first apply the
service brake and then depress the parking
brake pedal down as far as possible.
Releasing the parking brake
To release the parking brake, depress
the parking brake pedal a second time
while applying the service brake. The
pedal will automatically extend to the fully
released position.
WARNING- Brake wear
This brake wear warning sound
means your vehicle needs service.
If you ignore this audible warning,
you will eventually lose braking
performance, which could lead to a
serious accident.
CAUTION
To avoid costly brake repairs, do
not continue to drive with worn
brake pads.
Always replace the front or rear
brake pads as pairs.
OYF059023OYF059025
CAUTION
Driving with the parking brake
applied will cause excessive
brake pad and brake rotor wear.
Applying the parking brake while
the vehicle is moving at normal
speeds can cause a sudden loss
of control of the vehicle. If you
must use the parking brake to stop
the vehicle, use great caution in
applying the brake.

Driving your vehicle
28 5
Your vehicle's fuel economy depends
mainly on your style of driving, where you
drive and when you drive.
Each of these factors affects how many
miles (kilometers) you can get from a gal-
lon (liter) of fuel. To operate your vehicle
as economically as possible, use the fol-
lowing driving suggestions to help save
money in both fuel and repairs:
Drive smoothly. Accelerate at a moder-
ate rate. Don't make "jack-rabbit" starts
or full-throttle shifts and maintain a
steady cruising speed. Don't race
between stoplights. Try to adjust your
speed to that of the other traffic so you
don't have to change speeds unneces-
sarily. Avoid heavy traffic whenever
possible. Always maintain a safe dis-
tance from other vehicles so you can
avoid unnecessary braking. This also
reduces brake wear.
Drive at a moderate speed. The faster
you drive, the more fuel your car uses.
Driving at a moderate speed, especial-
ly on the highway, is one of the most
effective ways to reduce fuel consump-
tion. Don't "ride" the brake pedal. This can
increase fuel consumption and also
increase wear on these components.
In addition, driving with your foot rest-
ing on the brake pedal may cause the
brakes to overheat, which reduces
their effectiveness and may lead to
more serious consequences.
Take care of your tires. Keep them
inflated to the recommended pressure.
Incorrect inflation, either too much or
too little, results in unnecessary tire
wear. Check the tire pressures at least
once a month.
Be sure that the wheels are aligned
correctly. Improper alignment can
result from hitting curbs or driving too
fast over irregular surfaces. Poor align-
ment causes faster tire wear and may
also result in other problems as well as
greater fuel consumption. Keep your car in good condition. For
better fuel economy and reduced
maintenance costs, maintain your car
in accordance with the maintenance
schedule in section 7. If you drive your
car in severe conditions, more frequent
maintenance is required (see section 7
for details).
Keep your car clean. For maximum
service, your vehicle should be kept
clean and free of corrosive materials. It
is especially important that mud, dirt,
ice, etc. not be allowed to accumulate
on the underside of the car. This extra
weight can result in increased fuel con-
sumption and also contribute to corro-
sion.
Travel lightly. Don't carry unnecessary
weight in your car. Weight reduces fuel
economy.
Don't let the engine idle longer than
necessary. If you are waiting (and not
in traffic), turn off your engine and
restart only when you're ready to go.
ECONOMICAL OPERATION

Driving your vehicle
36 5
Use high quality ethylene glycol
coolant
Your vehicle is delivered with high quality
ethylene glycol coolant in the cooling
system. It is the only type of coolant that
should be used because it helps prevent
corrosion in the cooling system, lubri-
cates the water pump and prevents
freezing. Be sure to replace or replenish
your coolant in accordance with the
maintenance schedule in section 7.
Before winter, have your coolant tested to
assure that its freezing point is sufficient
for the temperatures anticipated during
the winter.
Check battery and cables
Winter puts additional burdens on the
battery system. Visually inspect the bat-
tery and cables as described in section
7. The level of charge in your battery can
be checked by an authorized HYUNDAI
dealer or a service station.
Change to "winter weight" oil if
necessary
In some climates it is recommended that
a lower viscosity "winter weight" oil be
used during cold weather. See section 8
for recommendations. If you aren't sure
what weight oil you should use, consult
an authorized HYUNDAI dealer.
Check spark plugs and ignition
system
Inspect your spark plugs as described in
section 7 and replace them if necessary.
Also check all ignition wiring and compo-
nents to be sure they are not cracked,
worn or damaged in any way.
WARNING- Tire chains
The use of chains may adversely
affect vehicle handling.
Do not exceed 20 mph (30 km/h)
or the chain manufacturer’s rec-
ommended speed limit, whichev-
er is lower.
Drive carefully and avoid bumps,
holes, sharp turns, and other
road hazards, which may cause
the vehicle to bounce.
Avoid sharp turns or locked-
wheel braking.
CAUTION
Chains that are the wrong size or
improperly installed can damage
your vehicle's brake lines, sus-
pension, body and wheels.
Stop driving and retighten the
chains any time you hear them
hitting the vehicle.

What to do in an emergency
4 6
WARNING
If a vehicle accident occurs:
1. Stop the vehicle and shift the
transmission into "P" position.
And then depress the parking
brake.
2. Turn off the Hybrid system by
pushing the Engine Start/Stop
button.
3. Evacuate to the safety place.
4. Call emergency services for help
and let them know the vehicle is a
Hybrid vehicle.
Do not touch high voltage cables,
connectors and package modules.
High voltage components are
orange in color.
Exposed cables or wires may be
visible inside or outside of the vehi-
cle. Never touch the wires or
cables, because an electrical shock
may occur causing injury or death.
WARNING
If a fire occurs:
1. Stop the vehicle and shift the
transmission in to "P" position,
and then depress the parking
brake. To ventilate smoke from a
fire, open the windows if possible.
2. Turn off the Hybrid system by
pushing the Engine Start/Stop
button.
3. Leave the vehicle and evacuate to
the safety place.
4. Call emergency services for help
and let them know the vehicle is a
Hybrid vehicle.
If you have an extinguisher, extin-
guish a fire carefully.
Do not touch high voltage cables,
connectors and package modules.
High voltage components are
orange in color.
Exposed cables or wires may be
visible inside or outside of the vehi-
cle. Never touch the wires or
cables, because an electrical shock
may occur causing injury or death.
WARNING
If a submersion in water occurs:
If your vehicle was flooded and has
soaked carpeting or water on the
flooring, you should not try to start
the Hybrid system. Never touch the
high voltage cables, connectors
and package modules, because an
electrical shock may occur causing
injury or death. High Voltage cables
are orange in color.
Have the car towed to an author-
ized HYUNDAI dealer.

What to do in an emergency
6 6
EMERGENCY STARTING
Connect cables in numerical order and
disconnect in reverse order.
Jump starting
Jump starting can be dangerous if done
incorrectly. Therefore, to avoid harm to
yourself or damage to your vehicle or
battery, follow the jump starting proce-
dures. If in doubt, we strongly recom-
mend that you have a competent techni-
cian or towing service jump start your
vehicle.
CAUTION
Use only a 12-volt jumper system.
You can damage a 12-volt starting
motor, ignition system, and other
electrical parts beyond repair by
use of a 24-volt power supply (either
two 12-volt batteries in series or a
24-volt motor generator set).
WARNING- Battery
Keep all flames or sparks away
from the battery. The battery pro-
duces hydrogen gas which may
explode if exposed to flame or
sparks.
If these instructions are not fol-
lowed exactly, serious personal
injury and damage to the vehicle
may occur! If you are not sure
how to follow this procedure,
seek qualified assistance.
Automobile batteries contain sul-
furic acid. This is poisonous and
highly corrosive. When jump
starting, wear protective glasses
and be careful not to get acid on
yourself, your clothing or on the
car.
Do not attempt to jump start the
vehicle if the discharged battery
is frozen or if the electrolyte level
is low; the battery may rupture or
explode.
WARNING- Battery
Never attempt to check the elec-
trolyte level of the battery as this
may cause the battery to rupture or
explode causing serious injury.
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What to do in an emergency
10 6
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NOTICE
If the TPMS indicator does not illu-
minate for 3 seconds when the
engine start/stop button is pressed to
the ON position or engine is run-
ning, or if it comes on after blinking
for approximately one minute, take
your car to your nearest authorized
HYUNDAI dealer and have the sys-
tem checked.
Low tire pressure tell-
tale
When the tire pressure monitoring
system warning indicator is illuminat-
ed, one or more of your tires is sig-
nificantly under-inflated.
If the telltale illuminates, immediately
reduce your speed, avoid hard cor-
nering and anticipate increased stop-
ping distances. You should stop and
check your tires as soon as possible.
Inflate the tires to the proper pres-
sure as indicated on the vehicle’s
placard or tire inflation pressure label
located on the driver’s side center pil-
lar outer panel. If you cannot reach a
service station or if the tire cannot
hold the newly added air, replace the
low pressure tire with the spare tire.
The Low Tire Pressure telltale may
flash for approximately one minute
and then remain continuously illumi-
nated after restarting and about 20
minutes of continuous driving before
you have the low pressure tire
repaired and replaced on the vehicle.CAUTION
In winter or cold weather, the
low tire pressure telltale may be
illuminated if the tire pressure
was adjusted to the recom-
mended tire inflation pressure
in warm weather. It does not
mean your TPMS is malfunction-
ing because the decreased tem-
perature leads to a proportional
lowering of tire pressure.
When you drive your vehicle
from a warm area to a cold area
or from a cold area to a warm
area, or the outside temperature
is greatly higher or lower, you
should check the tire inflation
pressure and adjust the tires to
the recommended tire inflation
pressure.

What to do in an emergency
12 6
Changing a tire with TPMS
If you have a flat tire, the Low Tire
Pressure telltale will come on. Have
the flat tire repaired by an authorized
HYUNDAI dealer as soon as possi-
ble or replace the flat tire with the
spare tire.
Each wheel is equipped with a tire
pressure sensor mounted inside the
tire behind the valve stem. You must
use TPMS specific wheels. It is rec-
ommended that you always have
your tires serviced by an authorized
HYUNDAI dealer.Even if you replace the low pressure
tire with the compact spare tire, the
Low Tire Pressure Telltale will blink or
remain on until the low pressure tire
is repaired and placed on the vehicle.
After you replace the low pressure tire
with the compact spare tire, the Low
Tire Pressure Telltale may blink or illu-
minate because the compact spare
tire does not have a TPMS sensor.
Once the low pressure tire is reinflat-
ed to the recommended pressure
and installed on the vehicle or the
TPMS sensor mounted on the
replaced spare wheel is initiated by
an authorized HYUNDAI dealer, the
TPMS malfunction indicator and the
low tire pressure telltale will extin-
guish within a few minutes of driving.
If the indicator is not extinguished
after a few minutes of driving, please
visit an authorized HYUNDAI dealer.CAUTION
If original mounted tire is
replaced with the spare tire, the
TPMS sensor on the replaced
spare wheel should be initiated
and the TPMS sensor on the
original mounted wheel should
be deactivated. If the TPMS sen-
sor on the original mounted
wheel located in the spare tire
carrier still activates, the tire
pressure monitoring system
may not operate properly. Have
the tire with TPMS serviced or
replaced by an authorized
HYUNDAI dealer.
CAUTION
Never use a puncture-repairing
agent not approved by HYUNDAI
to repair and/or inflate a low
pressure tire. The tire sealant
not approved by HYUNDAI may
damage the tire pressure sen-
sor. The sealant on the tire pres-
sure sensor and wheel shall be
eliminated when you replace the
tire with a new one.
WARNING
If you do not use the authorized
tires or wheels, the TPMS may
malfunction.