2016 Hyundai Sonata Plug-in Hybrid Owner's Manual

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What to do in an emergency
For your safety, do not touch
high voltage cables, connec-
tors and package modules.
High voltage components are
orange in color.
Exposed cables or wires may
be visible inside or outside of
the vehicle. Never touch the
wires or cables, because an
electrical shock, an injury, or a
death may occur.
Any gas or electrolyte leakage
from your vehicle is not only
poisonous but also flammable.
Upon witnessing one of those,
open the windows, and remain
a safe distance from the vehi-
cle out of the road. Immediately
contact an authorized Hyundai
dealer and advise them that a
hybrid vehicle is involved.
If you need towing, refer to
"Towing" in the previous pages.
(Continued)
(Continued)
When the vehicle is severely
damaged, remain a safe dis-
tance of 50 feet (15 meter) or
more between your vehicle
and other vehicles/flamma-
bles.
WARNING
If a fire occurs :
Upon witnessing any sparks,
gases, flames, or fuel leakage of
your vehicle, immediately call
911 or contact an authorized
HYNDAI dealer. Also, advise
them that a hybrid vehicle is
involved.
WARNING
When a submersion in water
occurs:
When your vehicle is flooded in
water, a high-voltage battery
may cause shock or may catch
on fire. Thus, turn the hybrid
system OFF, take the key in
your possession and move to a
safe place. Never attempt phys-
ical contact with your flooded
vehicle. Immediately contact an
authorized HYUNDAI dealer and
advise them that a hybrid vehi-
cle is involved.
WARNING

7
Maintenance
7
Maintenance
Engine compartment .............................................7-3
Maintenance services ...........................................7-4
Owner's responsibility ......................................................7-4
Owner maintenance precautions ..................................7-4
Owner maintenance ...............................................7-5
Owner maintenance schedule ........................................7-6
Scheduled maintenance services.........................7-8
Normal maintenance schedule .......................................7-9
Maintenance under severe usage conditions ..........7-22
Explanation of scheduled maintenance
items.......................................................................7-24
Engine oil ..............................................................7-27
Checking the engine oil level ................................7-27
Checking the engine oil and filter ..............................7-28
Engine coolant/inverter coolant .......................7-29
Checking the engine/inverter coolant level .............7-29
Changing engine coolant .............................................7-32
Hybrid starter & generator (HSG) belt.............7-32
Checking the hybrid starter &
generator (HSG) belt ......................................................7-32
Brake fluid ............................................................7-33
Checking the brake fluid level .....................................7-33
Washer fluid .........................................................7-34
Checking the washer fluid level ..................................7-34
Parking brake .......................................................7-34
Checking the parking brake .........................................7-34
Air cleaner ...........................................................7-35
Filter replacement ........................................................7-35
Climate control air filter .....................................7-37
Filter inspection ...............................................................7-37
Wiper blades .........................................................7-39
Blade inspection ..............................................................7-39
Blade replacement ..........................................................7-39
Battery...................................................................7-41
For best battery service................................................7-42
Battery recharging .........................................................7-42
Reset features .................................................................7-43
Tires and wheels ..................................................7-44
Tire care ............................................................................7-44
Recommended cold tire inflation pressures.............7-45
Check tire inflation pressure........................................7-46
Tire rotation .....................................................................7-47
Wheel alignment and tire balance ..............................7-48
Tire replacement .............................................................7-48
Wheel replacement .........................................................7-49
Tire traction ......................................................................7-49
Tire maintenance ............................................................7-50
Tire sidewall labeling ......................................................7-50
Tire terminology and definitions.................................7-54
7

7
All season tires ................................................................7-57
Summer tires ....................................................................7-57
Snow tires .........................................................................7-57
Radial-ply tires ................................................................7-58
Low aspect ratio tires ....................................................7-58
Fuses ......................................................................7-60
Instrument panel fuse replacement ...........................7-61
Engine compartment panel fuse replacement.........7-62
Fuse/relay panel description .......................................7-64
Light bulbs.............................................................7-80
Headlamp, parking lamp, turn signal lamp and
side marker light bulb replacement ............................7-81
Side repeater lamp replacement .................................7-86
Rear combination light bulb replacement .................7-87
Back-up lamp ...................................................................7-91
High mounted stop lamp ...............................................7-92
License plate light bulb replacement .........................7-92
Interior light bulb replacement ....................................7-92
Appearance care ..................................................7-94
Exterior care ....................................................................7-94
Interior care......................................................................7-99
Emission control system ...................................7-101
Crankcase emission control system .........................7-101
Evaporative emission control system including
onboard refueling vapor recovery (ORVR) ............7-101
Exhaust emission control system .............................7-102
California perchlorate notice ...........................7-105

7-3
7
Maintenance
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1. Engine oil filler cap
2. Engine oil dipstick
3. Radiator cap
4. Engine coolant reservoir
5. Brake fluid reservoir
6. Air cleaner
7. Inverter coolant reservoir
8. Windshield washer fluid reservoir
9. Fuse box
The actual engine compartment the vehicle
may differ from the illustration.
OLFH014005K

7-4
Maintenance
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You should exercise the utmost care
to prevent damage to your vehicle
and injury to yourself whenever per-
forming any maintenance or inspec-
tion procedures.
Have your vehicle maintained and
repaired by an authorized HYUNDAI
dealer. An authorized HYUNDAI
dealer meets HYUNDAI’s high serv-
ice quality standards and receives
technical support from HYUNDAI in
order to provide you with a high level
of service satisfaction.
Owner's responsibility
Maintenance service and record
retention are the owner’s responsibil-
ity.
You should retain documents that
show proper maintenance has been
performed on your vehicle in accor-
dance with the scheduled mainte-
nance service charts shown on the
following pages. You need this infor-
mation to establish your compliance
with the servicing and maintenance
requirements of your vehicle war-
ranties. Detailed warranty information is pro-
vided in your Owner’s Handbook &
Warranty Information booklet.
Repairs and adjustments required as
a result of improper maintenance or
a lack of required maintenance are
not covered.
Owner
maintenance precau-
tions
Inadequate, incomplete or insuffi-
cient servicing may result in opera-
tional problems with your vehicle that
could lead to vehicle damage, an
accident, or personal injury. This
chapter provides instructions only for
the maintenance items that are easy
to perform. Several procedures can
be done only by an authorized
HYUNDAI dealer with special tools.
Your vehicle should not be modified
in any way. Such modifications may
adversely affect the performance,
safety or durability of your vehicle
and may, in addition, violate condi-
tions of the limited warranties cover-
ing the vehicle. Certain modifications may also be in
violation of regulations established
by the U.S. Department of
Transportation and other federal or
state agencies.
Improper owner maintenance dur-
ing the warranty period may affect
warranty coverage. For details,
read the separate Owner’s
Handbook & Warranty Information
booklet provided with the vehicle.
If you’re unsure about any service
or maintenance procedure, have it
done by an authorized HYUNDAI
dealer.
NOTICE

7-5
7
Maintenance
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The following lists are vehicle checks
and inspections that should be per-
formed by the owner or an authorized
HYUNDAI dealer at the frequencies
indicated to help ensure safe,
dependable operation of your vehicle.
Any adverse conditions should be
brought to the attention of your deal-
er as soon as possible.
These Owner Maintenance vehicle
checks are generally not covered by
warranties and you may be charged
for labor, parts and lubricants used.
Performing maintenance work
on a vehicle can be dangerous.
If you lack sufficient knowledge
and experience or the proper
tools and equipment to do the
work, have it done by an author-
ized HYUNDAI dealer. ALWAYS
follow these precautions for
performing maintenance work:
Park your vehicle on level
ground, move the shift lever
into the P (Park, for automatic
transmission vehicle) posi-
tion, apply the parking brake,
place the Engine Start/Stop
button in the OFF position.
Block the tires (front and back)
to prevent the vehicle from
moving.
Remove loose clothing or jew-
elry that can become entan-
gled in moving parts.
(Continued)
WARNING (Continued)
If you must run the engine
during maintenance, do so
out doors or in an area with
plenty of ventilation.
Keep flames, sparks, or smok-
ing materials away from the
battery and fuel-related parts.
When you open the engine
hood, turn the hybrid system
off. If not, It may result in death
or serious injury because of
the high voltage flow.

7-6
Maintenance
Owner maintenance schedule
When you stop for fuel:
Check the engine oil level.
Check coolant level in the enginecoolant reservoir.
Check the windshield washer fluid level.
Check for low or under-inflated tires.
While operating your vehicle:
Note any changes in the sound ofthe exhaust or any smell of
exhaust fumes in the vehicle.
Check for vibrations in the steering wheel. Notice if there is any
increased steering effort or loose-
ness in the steering wheel, or
change in its straight-ahead posi-
tion.
Notice if your vehicle constantly turns slightly or “pulls” to one side
when traveling on smooth, level
road.
When stopping, listen and check for unusual sounds, pulling to one
side, increased brake pedal travel
or “hard-to-push” brake pedal.
If any slipping or changes in the operation of your transmission
occurs, check the transmission
fluid level.
Check the automatic transmission P (Park) function.
Check the parking brake.
Check for fluid leaks under your vehicle (water dripping from the air
conditioning system during or after
use is normal).
At least monthly:
Check coolant level in the enginecoolant reservoir.
Check the operation of all exterior lights, including the stoplights, turn
signals and hazard warning flashers.
Check the inflation pressures of all tires including the spare for tires
that are worn, show uneven wear,
or are damaged.
Check for loose wheel lug nuts.
Be careful when checking your
engine coolant level when the
engine is hot. This may result in
coolant being blown out of the
opening and cause serious
burns and other injuries.
WARNING

7-7
7
Maintenance
At least twice a year:(i.e., every Spring and Fall)
Check radiator, heater and air condi-
tioning hoses for leaks or damage.
Check windshield washer spray and wiper operation. Clean wiper
blades with clean cloth dampened
with washer fluid.
Check headlamp alignment.
Check muffler, exhaust pipes, shields and clamps.
Check the seat belts for wear and function.
At least once a year:
Clean body and door drain holes.
Lubricate door hinges and hoodhinges.
Lubricate door and hood locks and latches.
Lubricate door rubber weather strips.
Check the air conditioning system.
Inspect and lubricate automatic transmission linkage and controls.
Clean the battery and terminals.
Check the brake fluid level.