Hyundai Sonata Hybrid 2013 Owner's Manual

727
Maintenance
BRAKE FLUID
Checking the brake fluid level
Check the fluid level in the reservoir peri-
odically. The fluid level should be
between MAX and MIN marks on the
side of the reservoir. To check the brake
fluid exactly, after stopping the vehicle,
apply the brake pedal a few times and
then check the fluid level.
Before removing the reservoir cap and
adding brake fluid, clean the area around
the reservoir cap thoroughly to prevent
brake fluid contamination.
If the level is low, add fluid to the MAX
level. The level will fall with accumulated
mileage. This is a normal condition asso-
ciated with the wear of the brake linings.
If the fluid level is excessively low, have
the brake system checked by an author-
ized HYUNDAI dealer.
Use only the specified brake fluid. (Refer
to “Recommended lubricants or capaci-
ties” in section 8.)
Never mix different types of fluid.
WARNING - Brake fluid
When changing and adding brake
fluid, handle it carefully. Do not let it
come in contact with your eyes. If
brake fluid should come in contact
with your eyes, immediately flush
them with a large quantity of fresh
tap water. Have your eyes examined
by a doctor as soon as possible.
WARNING - Loss of brake
fluid
In the event the brake system
requires frequent additions of fluid,
the vehicle should be inspected by
an authorized HYUNDAI dealer.CAUTION
Do not allow brake fluid to contact
the vehicle's body paint, as paint
damage will result. Brake fluid,
which has been exposed to open air
for an extended time should never
be used as its quality cannot be
guaranteed. It should be disposed
of properly. Don't put in the wrong
kind of fluid. A few drops of miner-
al-based oil, such as engine oil, in
your brake system can damage
brake system parts.
CAUTION
Do not overfill the brake fluid. Brake
system damage may occur if the
brake fluid level exceeds the Max
fill level.
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Maintenance
28 7
WASHER FLUID
Checking the washer fluid level
The reservoir is translucent so that you
can check the level with a quick visual
inspection.
Check the fluid level in the washer fluid
reservoir and add fluid if necessary. Plain
water may be used if washer fluid is not
available. However, use washer solvent
with antifreeze characteristics in cold cli-
mates to prevent freezing.
Checking the parking brake
Check whether the stroke is within spec-
ification when the parking brake pedal is
depressed with 44 lb (20 kg, 196 N) of
force. Also, the parking brake alone should
securely hold the vehicle on a fairly steep
grade. If the stroke is more or less than
specified, have the parking brake adjusted
by an authorized HYUNDAI dealer.
Stroke : 4~5 notch
WARNING -Coolant
Do not use radiator coolant or
antifreeze in the washer fluid
reservoir.
Radiator coolant can severely
obscure visibility when sprayed
on the windshield and may cause
loss of vehicle control or damage
to paint and body trim.
Windshield washer fluid agents
contain some amounts of alcohol
and can be flammable under cer-
tain circumstances. Do not allow
sparks or flame to contact the
washer fluid or the washer fluid
reservoir. Damage to the vehicle
or occupants could occur.
Windshield washer fluid is poi-
sonous to humans and animals.
Do not drink and avoid contacting
windshield washer fluid. Serious
injury or death could occur.
OYFH071010N
PARKING BRAKE
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729
Maintenance
AIR CLEANER
Filter replacement
It must be replaced when necessary, and
should not be cleaned and reused.
You can clean the filter when inspecting
the air cleaner element.
Clean the filter by using compressed air.1. Loosen the air cleaner cover attaching
clips and open the cover.2. Wipe the inside of the air cleaner.
3. Replace the air cleaner filter.
4. Lock the cover with the cover attaching
clips.
OYFH071011NOYFH071012NOYF079013

Maintenance
30 7
Replace the filter according to the
Maintenance Schedule.
If the vehicle is operated in extremely
dusty or sandy areas, replace the ele-
ment more often than the usual recom-
mended intervals. (Refer to
“Maintenance under severe usage condi-
tions” in this section.)
Filter inspection
The climate control air filter should be
replaced according to the Maintenance
Schedule. If the vehicle is operated in
severely air-polluted cities or on dusty
rough roads for a long period, it should
be inspected more frequently and
replaced earlier. When you replace the
climate control air filter, replace it by per-
forming the following procedure, and be
careful to avoid damaging other compo-
nents.
Filter replacement
1. Open the glove box and remove the
support strap (1).
CAUTION
Do not drive with the air cleaner
removed; this will result in exces-
sive engine wear.
When removing the air cleaner fil-
ter, be careful that dust or dirt
does not enter the air intake, or
damage may result.
Use a HYUNDAI genuine part. Use
of non-genuine parts could dam-
age the air flow sensor.
CLIMATE CONTROL AIR FILTER
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731
Maintenance
2. With the glove box open, remove the
stoppers by turning them counter-
clockwise on both sides.3. Remove the climate control air filter
cover while pressing the lock on the
right of the cover.4. Replace the climate control air filter.
5. Reassemble in the reverse order of
disassembly.
✽ ✽
NOTICE
When replacing the climate control air
filter install it properly. Otherwise, the
system may produce noise and the effec-
tiveness of the filter may be reduced.
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Maintenance
32 7
WIPER BLADES
Blade inspection
✽
✽
NOTICE
Commercial hot waxes applied by auto-
matic car washes have been known to
make the windshield difficult to clean.
Contamination of either the windshield or
the wiper blades with foreign matter can
reduce the effectiveness of the wind-
shield wipers. Common sources of con-
tamination are insects, tree sap, and hot
wax treatments used by some commer-
cial car washes. If the blades are not wip-
ing properly, clean both the window and
the blades with a good cleaner or mild
detergent, and rinse thoroughly with
clean water.Blade replacement
When the wipers no longer clean ade-
quately, the blades may be worn or
cracked, and require replacement.
1JBA5122CAUTION
To prevent damage to the wiper
blades, do not use gasoline,
kerosene, paint thinner, or other
solvents on or near them.
CAUTION
To prevent damage to the wiper
arms or other components, do not
attempt to move the wipers manual-
ly.
CAUTION
The use of a non-specified wiper
blade could result in wiper malfunc-
tion and failure.

733
Maintenance
Front windshield wiper blade
1. Raise the wiper arm.2. Lift up the wiper blade clip. Then pull
down the blade assembly and remove
it.3. Install the new blade assembly in the
reverse order of removal.
OHM078059OYF079061OYF079062
CAUTION
Do not allow the wiper arm to fall
against the windshield, since it may
chip or crack the windshield.

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)
OYFH071017N
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.