2018 Hyundai Sonata Plug-in Hybrid headlamp

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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.

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7
Maintenance
Instrument panel fuse replace-
ment
1. Turn the hybrid system off.
2. Turn all other switches OFF.
3. Open the fuse panel cover.
4. Refer to the label on the inside ofthe fuse panel cover to locate the
suspected fuse location. 5. Pull the suspected fuse straight
out. Use the removal tool provided
in the engine compartment fuses
panel.
6. Check the removed fuse; replace it if it is blown. Spare fuses are
provided in the instrument panel
fuse panels (or in the engine com-
partment fuse panel).
7. Push in a new fuse of the same rating, and make sure it fits tightly
in the clips. If it fits loosely, consult
an authorized HYUNDAI dealer. In an emergency, if you do not have
a spare fuse, use a fuse of the same
rating from a circuit you may not
need for operating the vehicle, such
as the cigarette lighter fuse.
If the headlamps or other electrical
components do not work and the
fuses are OK, check the fuse panel
in the engine compartment. If a fuse
is blown, it must be replaced with the
same rating.
OLF077021
OLFH074012

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7
Maintenance
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Consult an authorized HYUNDAI
dealer to replace most vehicle light
bulbs. It is difficult to replace vehicle
light bulbs because other parts of the
vehicle must be removed before you
can get to the bulb. This is especially
true for removing the headlamp
assembly to get to the bulb(s).
Removing/installing the headlamp
assembly can result in damage to
the vehicle.Information
After heavy driving, rain or washing,
headlamp and trunk lenses could
appear frosty. This condition is caused
by the temperature difference
between the lamp inside and the out-
side temperature. This is similar to the
condensation on your windows inside
your vehicle during the rain and does-
n’t indicate a problem with your vehi-
cle. If the water leaks into the lamp
bulb circuitry, have your vehicle
checked by an authorized HYUNDAI
dealer.
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Prior to replacing a lamp,
depress the foot brake, move
the shift lever into P (Park)
apply the parking brake, place
the igntion switch to the
LOCK/OFF position, and take
the key with you when leaving
the vehicle to avoid sudden
movement of the vehicle and
to prevent possible electric
shock.
Be aware the bulbs may be hot
and may burn your fingers.
WARNING

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Maintenance
Headlamp, parking lamp,
turn signal lamp and side
marker light bulb replacement(1) Headlamp (Low)
(2) Headlamp (High)
(3) Turn signal lamp
(4) Side marker lamp
(5) Daytime running lamp (DRL) /Parking lamp
Headlamp (Halogen bulb)
OLMB073042L
Handle halogen bulbs with
care. Halogen bulbs contain
pressurized gas that will pro-
duce flying pieces of glass
that could cause injuries if
broken.
Wear eye protection when
changing a bulb. Allow the
bulb to cool down before han-
dling it.
WARNING
OLFH077050
OLFH077051
■Type A
■Type B

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7
Maintenance
Always handle them carefully, andavoid scratches and abrasions. If
the bulbs are lit, avoid contact with
liquids.
Never touch the glass with bare hands. Residual oil may cause the
bulb to overheat and burst when lit.
A bulb should be operated only when installed in a headlamp.
If a bulb becomes damaged or cracked, replace it immediately
and carefully dispose of it.
1. Open the hood.
2. Disconnect the negative batterycable.
3. Remove the headlamp bulb cover by turning it counterclockwise.
4. Disconnect the headlamp bulb socket-connector. 5. Unsnap the headlamp bulb retain-
ing wire by pressing the end and
pushing it upward.
6. Remove the bulb from the head- lamp assembly.
7. Install a new headlamp bulb and snap the headlamp bulb retaining
wire into position by aligning the
wire with the groove on the bulb.
8. Connect the headlamp bulb sock- et-connector.
9. Install the headlamp bulb cover by turning it clockwise.
Information
The headlamp aiming should be
adjusted after an accident or after the
headlamp assembly is reinstalled at an
authorized HYUNDAI dealer.
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OLF077070
OLF077069
■High beam
■Low beam

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Maintenance
Headlamp (LED type)
If the LED lamp does not operate,
have the system checked by an
authorized HYUNDAI dealer.
Turn signal lamp
1. Open the hood.
2. Disconnect the negative batterycable.
3. Remove the socket from the assembly by turning the socket
counterclockwise until the tabs on
the socket align with the slots on
the assembly.
4. Remove the bulb from the socket by pressing it in and rotating it
counterclockwise until the tabs on
the bulb align with the slots in the
socket. Pull the bulb out of the
socket. 5. Install a new bulb by inserting it
into the socket and rotating it until
it locks into place.
6. Install the socket in the assembly by aligning the tabs on the socket
with the slots in the assembly.
7. Push the socket into the assembly and turn the socket clockwise.
OLF077052N
Turn signal lamp

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Specifications, Consumer information and Reporting safety defects
Light BulbBulb TypeWattage
Front
Headlamps
Low HB360
HighHB360
Low/HighLEDLED
Turn signal lampsFrontPY28/8W28
Outside rearview mirrorLEDLED
Position lampsLEDLED
Front side markerW5W5
Daytime running light (DRL)LEDLED
Rear
Rear combination lamp
Stop/Tail lampsBulb typeP28/8W28/8
Stop/Tail lampsLED typeLEDLED
Tail lampsP28/8W8
Turn signal lampsPY27W27
Back-up lampsW16W16
License plate lightW5W5
High mounted stop lampLEDLED
Interior
Map lampswith sunroofLEDLED
without sunroofFESTOON10
Room lampswith sunroofLEDLED
without sunroofFESTOON10
Luggage room lampFESTOON5
Glove box lampFESTOON5
Vanity mirror lampFESTOON5
8-3

I-6
Interior features .............................................................3-144Clock ........................................................................\
3-149
Clothes Hanger .........................................................3-149
Cup Holder ...............................................................3-146
Floor Mat Anchor(s) .................................................3-150
Luggage Net Holder .................................................3-152
Power Outlet.............................................................3-147
Rear Cutrain .............................................................3-151
Side Curtain ..............................................................3-152
Sunvisor ....................................................................3-14\
7
Wireless Cellular Phone Charging System ..............3-144
Interior overview...............................................................1-4
Jump starting .....................................................................6-4\
Lane Keeping Assist System (LKAS) ............................5-53 Limitations of the System ..........................................5-61
LKAS function change ...............................................5-60
LKAS malfunction .....................................................5-58
LKAS operation .........................................................5-54
LCD Display ...................................................................3-91 LCD display control ...................................................3-91 Light ........................................................................\
......3-104
Exterior Lights..........................................................3-104
Interior Lights ...........................................................3-113
Smart High Beam .....................................................3-106
Welcome System ......................................................3-112
Light bulbs ......................................................................7-\
67 Headlamp, parking lamp, turn signal lamp and side marker light bulb replacement.........................7-68
High mounted stop lamp ............................................7-74
Interior light bulb replacement ...................................7-74
License plate light bulb replacement .........................7-74
Rear combination light bulb replacement ..................7-72
Side repeater lamp replacement .................................7-71
Maintenance services ........................................................7-4 Owner maintenance precautions ..................................7-4
Owner's responsibility ..................................................7-4
Malfunction Indicator .....................................................6-12 Changing a Tire with TPMS ......................................6-13
Mirrors ........................................................................\
....3-19 Inside Rearview Mirror ..............................................3-19
Reverse Parking Aid Function ...................................3-37
Side View Mirrors ......................................................3-34
Index
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