Hyundai Sonata Hybrid (2017 year). Manual — part 28
Maintenance
Checking the Engine Oil and
WARNING
Filter
CALIFORNIA PROPOSITION 65
WARNING
Engine oil contains chemicals
known to the State of California
to cause cancer, birth defects
and reproductive harm. Used
engine oil may cause irritation
or cancer of the skin if left in
contact with the skin for pro-
longed periods of time. Always
protect your skin by washing
your hands thoroughly with
soap and warm water as soon
Have engine oil and filter changed by
as possible after handling used
an authorized HYUNDAI dealer
oil.
according to the Maintenance
Schedule at the beginning of this
chapter.
7-26
ENGINE COOLANT
The high-pressure cooling system
Checking the Engine Coolant
(Continued)
has a reservoir filled with year-round
Level
antifreeze coolant. The reservoir is
Turn the engine off and wait
filled at the factory.
until the engine cools down.
Use extreme care when remov-
Check the antifreeze protection and
ing the radiator cap. Wrap a
coolant level at least once a year, at
thick towel around it, and turn it
the beginning of the winter season
counterclockwise slowly to the
and before traveling to a colder cli-
first stop. Step back while the
mate.
pressure is released from the
cooling system. When you are
sure all the pressure has been
released, press down on the
cap, using a thick towel, and
continue turning counterclock-
OLF074007N
wise to remove it.
WARNING
Never remove the
radiator cap or the
drain plug while the
7
engine and radiator
are hot. Hot coolant
and steam may blow out under
pressure, causing serious
injury.
(Continued)
7-27
Maintenance
Recommended engine coolant
WARNING
•
When adding coolant, use only
deionized water, distilled water or
The electric motor for
soft water for your vehicle and
the cooling fan may
never mix hard water in the coolant
continue to operate
filled at the factory.
or start up when the
engine is not running
•
An improper coolant mixture can
and can cause serious injury.
result in severe malfunction or
Keep hands, clothing and tools
engine damage.
away from the rotating fan
•
The engine in your vehicle has alu-
blades of the cooling fan.
minum engine parts and must be
OLF074006N
protected by an ethylene-glycol
Check the condition and connections
with phosphate based coolant to
The electric motor for the cooling fan
of all cooling system hoses and
prevent corrosion and freezing.
is controlled by engine coolant tem-
heater hoses. Replace any swollen
•
Do not use alcohol or methanol
perature, refrigerant pressure and
or deteriorated hoses.
coolant or mix them with the spec-
vehicle speed. As the engine coolant
The coolant level should be filled
ified coolant.
temperature decreases, the electric
between the F and the L marks on
•
Do not use a solution that contains
motor will automatically shut off. This
the side of the coolant reservoir
more than 60% antifreeze or less
is a normal condition. If your vehicle
when the engine is cool.
than 35% antifreeze, which would
is equipped with GDI, the electric
If the coolant level is low, add enough
reduce the effectiveness of the
motor for the cooling fan may begin
distilled
(deionized) water to bring
solution.
to operate at any time and continue
the level to the F mark, but do not
to operate until you disconnect the
overfill. If frequent additions are
negative battery cable.
required, we recommend that you
see an authorized HYUNDAI dealer
for a cooling system inspection.
7-28
For mixing percentage, refer to the
Changing Engine Coolant
NOTICE
following table:
Have coolant changed by an author-
To prevent damage to engine
Mixture Percentage
ized HYUNDAI dealer according to
parts, put a thick towel around the
Ambient
(volume)
the Maintenance Schedule at the
radiator cap before refilling the
Temperature
beginning of this chapter.
Antifreeze
Water
coolant to prevent the coolant
5°F (-15°C)
35
65
from overflowing into engine
-13°F (-25°C)
40
60
WARNING
parts, such as the generator.
-31°F (-35°C)
50
50
Do not use engine coolant or
-49°F (-45°C)
60
40
antifreeze in the washer fluid
reservoir.
Engine coolant can severely
i
Information
obscure visibility when sprayed
If in doubt about the mix ratio, a 50%
on the windshield and may
water and 50% antifreeze mix is the
cause loss of vehicle control
easiest to mix together as it will be the
resulting in an accident.
same quantity of each. It is suitable to
Engine coolant may also cause
use for most temperature ranges of -
damage to paint and body trim.
31°F and higher.
7
7-29
Maintenance
BRAKE FLUID
Checking the Brake Fluid Level
If the level is low, add the specified
NOTICE
brake fluid to the MAX level. The level
will fall with accumulated mileage.
• Do not allow brake fluid to con-
This is a normal condition associated
tact the vehicle’s body paint, as
with the wear of the brake linings. If
paint damage will result.
the fluid level is excessively low, have
• Brake fluid, which has been
the brake system checked by an
exposed to open air for an
authorized HYUNDAI dealer.
extended time should NEVER be
used as its quality cannot be
guaranteed. It should be dis-
WARNING
posed of properly.
If the brake system requires fre-
• Do not use the wrong kind of
brake fluid. A few drops of miner-
quent additions of fluid this
OLF074008N
could indicate a leak in the
al based oil, such as engine oil, in
Check the fluid level in the reservoir
your brake system can damage
brake system. Have the vehicle
periodically. The fluid level should be
inspected by an authorized
brake system parts.
between MAX and MIN marks on the
HYUNDAI dealer.
side of the reservoir.
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Information
Before removing the reservoir cap
Use only the specified brake fluid
and adding brake fluid, clean the
WARNING
(refer to "Recommended Lubricants
area around the reservoir cap thor-
and Capacities" in chapter 8).
oughly to prevent brake fluid contam-
Do not allow brake fluid to come
ination.
in contact with your eyes. If
brake fluid comes in contact
with your eyes, flush your eyes
with clean water for at least 15
minutes and get immediate
medical attention.
7-30
WASHER FLUID
PARKING BRAKE
Checking the Washer Fluid
Checking the Parking Brake
WARNING
Level
Foot type
To prevent serious injury or
death, take the following safety
precautions when using washer
fluid:
•
Do not use engine coolant or
antifreeze in the washer fluid
reservoir.
Engine coolant can severely
obscure visibility
when
sprayed on the windshield and
may cause loss of vehicle con-
OLF074009N
trol resulting in an accident or
ODH053142
damage to paint and body trim.
Check the fluid level in the washer
Check whether the stroke is within
fluid reservoir and add fluid if neces-
•
Do not allow sparks or flame to
specification when the parking brake
sary. Plain water may be used if
contact the washer fluid or the
pedal is depressed with 44 lb (20 kg,
washer fluid is not available.
washer fluid reservoir. Washer
196 N) of force. Also, the parking
However, use washer solvent with
fluid may contain alcohol and
brake alone should securely hold the
antifreeze characteristics in cold cli-
can be flammable.
7
vehicle on a fairly steep grade. If the
mates to prevent freezing.
•
Do not drink washer fluid and
stroke is more or less than specified,
avoid contact with skin.
have the parking brake adjusted by
Washer fluid is poisonous to
an authorized HYUNDAI dealer.
humans and animals.
Stroke : 3 notch
•
Keep washer fluid away from
children and animals.
7-31
Maintenance
AIR CLEANER
Filter Replacement
OLF074011
OLF074012
1. Remove the air cleaner filter cover.
3. Pull down the lever to the
OLF074010
UNLOCK position.
2. Wipe the inside of the air cleaner.
The air cleaner filter can be cleaned
for inspection using compressed air.
Do not attempt to wash or to rinse it,
as water will damage the filter.
If soiled, the air cleaner filter must be
replaced.
7-32
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Information
If the vehicle is operated in extremely
dusty or sandy areas, replace the ele-
ment more often than the usual rec-
ommended intervals
(refer to
"Maintenance Under Severe Usage
Conditions" in this chapter).
NOTICE
• Do not drive with the air cleaner
OLF074013
OLF074101K
filter removed. This will result in
4. Replace the air cleaner filter.
5. Pull up the lever (1) to the LOCK
excessive engine wear.
position.
• When removing the air cleaner
6. Install the cover and make sure
filter, be careful that dust or dirt
the inner hooks (2) to be inserted
does not enter the air intake, or
to holes (3).
damage may result.
7. Check if the cover is firmly
• Use HYUNDAI genuine parts,
installed.
use of non-genuine parts could
damage the air flow sensor.
7
7-33
Maintenance
CLIMATE CONTROL AIR FILTER
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 performing the fol-
lowing procedure, and be careful to
avoid damaging other components.
OLF074015
OLF074014
1. With the glove box open, remove
2. Remove the support rod (1).
the stoppers on both sides to allow
the glove box to hang freely on the
hinges.
7-34
NOTICE
Install a new climate control air fil-
ter in the correct direction with the
arrow symbol (↓) facing down-
wards. Otherwise, the climate con-
trol effects may decrease, possi-
bly with a noise.
OLF074016
OLF074107K
3. Remove the climate control air fil-
4. Replace the climate control air fil-
ter case by pulling out the right
ter.
side of the cover.
5. Reassemble in the reverse order
of disassembly.
7
7-35
Maintenance
WIPER BLADES
Blade Inspection
NOTICE
Blade Replacement
Contamination of either the wind-
When the wipers no longer clean
To prevent damage to the wiper
shield or the wiper blades with for-
adequately, the blades may be worn
blades, arms or other compo-
eign matter can reduce the effective-
or cracked, and require replacement.
nents, do not:
ness of the windshield wipers.
• Use gasoline, kerosene, paint
Common sources of contamination
thinner, or other solvents on or
NOTICE
are insects, tree sap, and hot wax
near them.
treatments used by some commer-
To prevent damage to the wiper
cial car washes. If the blades are not
• Attempt to move the wipers
arms or other components, do not
wiping properly, clean both the win-
manually.
attempt to move the wipers manu-
dow and the blades with a clean
• Use non-specified wiper blades.
ally.
cloth dampened with washer fluid or
clean water.
NOTICE
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Information
Commercial hot waxes applied by
The use of a non-specified wiper
automatic car washes have been
blade could result in wiper mal-
known to make the windshield diffi-
function and failure.
cult to clean.
7-36
OLF074017
OLF074018
OLF074019
1. Raise the wiper arm.
2. Lift the wiper blade clip. Then push
3. Install the new blade assembly in
down the blade body.
the reverse order of removal.
NOTICE
4. Return the wiper arm on the wind-
shield.
Do not allow the wiper arm to fall
against the windshield, since it
may chip or crack the windshield.
7
7-37
Maintenance
BATTERY
WARNING
(Continued)
(Continued)
Batteries contain sulfu-
•
NEVER attempt to recharge
To prevent SERIOUS INJURY or
ric acid which is highly
the battery when the vehicle’s
DEATH to you or bystanders,
corrosive. Do not allow
battery cables are connected
always follow these precautions
acid to contact your
to the battery.
when working near or handling
eyes, skin or clothing.
•
The electrical ignition system
the battery:
If acid gets into your eyes, flush
works with high voltage.
Always read and follow
your eyes with clean water for at
NEVER touch these compo-
instructions carefully
least 15 minutes and get imme-
nents with the engine running
when handling a battery.
diate medical attention. If acid
or when the ignition is in the
Wear eye protection
gets on your skin, thoroughly
ON position.
designed to protect the
wash the area. If you feel pain or
eyes from acid splashes.
a burning sensation, get med-
ical attention immediately.
Keep all flames, sparks,
or smoking materials
• When lifting a plastic-cased
away from the battery.
battery, excessive pressure
on the case may cause battery
Hydrogen is always pres-
acid to leak. Lift with a battery
ent in battery cells, is
carrier or with your hands on
highly combustible, and
opposite corners.
may explode if ignited.
• Do not attempt to jump start
Keep batteries out of
your vehicle if your battery is
reach of children.
frozen.
(Continued)
(Continued)
7-38
For Best Battery Service
Battery Recharging
WARNING
WARNING
CALIFORNIA PROPOSITION 65
WARNING
Always follow these instructions
Battery posts, terminals, and
when recharging your vehicle’s
related accessories contain
battery to avoid the risk of SERI-
lead and lead compounds,
OUS INJURY or DEATH from
chemicals known to the State of
explosions or acid burns:
California to cause cancer, birth
•
Before performing mainte-
defects and reproductive harm.
nance or recharging the bat-
Batteries also contain other
tery, turn off all accessories and
chemicals known to the State of
place the ignition switch to the
OLF074020
California to cause cancer.
LOCK/OFF position.
Wash hands after handling.
•
Keep the battery securely mounted.
•
Keep all flames, sparks, or
•
Keep the battery top clean and dry.
smoking materials away from
NOTICE
•
Keep the terminals and connec-
the battery.
tions clean, tight, and coated with
•
Always work outdoors or in a
• When you do not use the vehicle
petroleum jelly or terminal grease.
well ventilated area.
for a long time in a low tempera-
•
Rinse any spilled acid from the bat-
•
Wear eye protection when
ture area, disconnect the battery
7
tery immediately with a solution of
checking the battery during
and keep it indoors.
water and baking soda.
charging.
• Always charge the battery fully
to prevent battery case damage
•
The battery must be removed
in low temperature areas.
from the vehicle and placed in
a well ventilated area.
(Continued)
7-39
Maintenance
By jump starting
Reset features
(Continued)
After a jump start from a good bat-
Some items need to be reset after
•
Watch the battery during
tery, idle the vehicle with the head-
the battery has been discharged or
charging, and stop or reduce
lights turned ON for 20-30 minutes
the battery has been disconnected.
the charging rate if the battery
before started driving. The vehicle
See chapter 3 for:
cells begin boiling violently.
may not run properly if you drive it off
•
Power Windows
•
The negative battery cable
before the battery had a chance to
must be removed first and
•
Trip Computer
adequately recharge. See "Jump
installed last when the battery
Starting" in chapter 6 for more infor-
•
Climate Control System
is disconnected. Disconnect
mation on jump starting procedures.
•
Clock
the battery charger in the fol-
•
Audio System
lowing order:
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Information
•
Sunroof
(1) Turn off the battery charger
main switch.
An inappropriately disposed
battery can be harmful to
(2) Unhook the negative
the environment and human
clamp from the negative
health.
battery terminal.
Dispose the battery according to your
(3) Unhook the positive clamp
local law(s) or regulation.
from the positive battery
terminal.
•
Always use a genuine HYUNDAI
approved battery when you
replace the battery.
7-40
TIRES AND WHEELS
Tire Care
WARNING
(Continued)
For proper maintenance, safety, and
•
Replace tires that are worn,
maximum fuel economy, you must
Tire failure may cause loss of
show uneven wear, or are dam-
vehicle control resulting in an
aged. Worn tires can cause
always maintain recommended tire
inflation pressures and stay within the
accident. To reduce risk of
loss of braking effectiveness,
SERIOUS INJURY or DEATH,
steering) control, or traction.
load limits and weight distribution rec-
ommended for your vehicle.
take the following precautions:
•
ALWAYS replace tires with the
•
Inspect your tires monthly for
same size as each tire that
proper inflation as well as
was originally supplied with
wear and damage.
this vehicle. Using tires and
•
The recommended cold tire
wheels other than the recom-
pressure for your vehicle can
mended sizes could cause
be found in this manual and on
unusual handling characteris-
the tire label located on the dri-
tics, poor vehicle control, or
ver’s side center pillar. Always
negatively affect your vehi-
use a tire pressure gauge to
cle’s Anti-Lock Brake System
measure tire pressure. Tires
(ABS) resulting in a serious
with too much or too little
accident.
pressure wear unevenly caus-
ing poor handling.
7
•
Check the pressure of the
spare every time you check
the pressure of the other tires
on your vehicle.
(Continued)
7-41
Maintenance
Recommended Cold Tire
WARNING
Inflation Pressures
All tire pressures
(including the
Recommended pressures must
spare) should be checked when the
be maintained for the best ride,
tires are cold. "Cold tires" means the
vehicle handling, and minimum
vehicle has not been driven for at
tire wear.
least three hours or driven less than
Over-inflation or under-inflation
one mile (1.6 km).
can reduce tire life, adversely
Warm tires normally exceed recom-
affect vehicle handling, and
mended cold tire pressures by 4 to 6
lead to sudden tire failure that
psi (28 to 41 kPa). Do not release air
could result in loss of vehicle
OLF084007N
from warm tires to adjust the pres-
control resulting in an accident.
All specifications
(sizes and pres-
sure or the tires will be under-inflat-
Severe under-inflation can lead
sures) can be found on a label
ed. For recommended inflation pres-
to severe heat build-up, causing
attached to the driver’s side center
sure, refer to "Tire and Wheels" in
blowouts, tread separation and
pillar.
chapter 8.
other tire failures that can result
in the loss of vehicle control
resulting in an accident. This
risk is much higher on hot days
and when driving for long peri-
ods at high speeds.
7-42
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