engine HYUNDAI SONATA 2023 Repair Manual

Convenience Features
5-46
If your vehicle is equipped with a
sunroof, you can slide or tilt your sunroof
with the sunroof control switch located
on the overhead console.
ODN8A059035
The sunroof can only be opened, closed,
or tilted when the ignition switch is in the ON position.
The sunroof is operable for 30 seconds,
after the ignition switch is placed in the
OFF or ACC position. However, if the
front doors are opened, the sunroof
cannot be operated even within 30 seconds.
Information
• In cold and wet climates, the sunroof
may not work properly due to freezing conditions.
• After the vehicle is washed or in a
rainstorm, be sure to wipe off any
water that is on the sunroof before operating it.
WARNING
• Never adjust the sunroof or sunshade
while driving. This could result in
loss of control and an accident that
may cause death, serious injury, or
property damage.
• Make sure heads, hands, arms or
any other body parts or objects are
out of the way before operating the
sunroof.
• Do not extend your head, arms or
body outside the sunroof while
driving, to avoid serious injury.
• Do not leave the engine running
and the key in your vehicle with
unsupervised children. Unattended
children could operate the sunroof,
which could result in serious injury.
• Do not sit on the top of the vehicle. It
may cause injury or vehicle damage.
NOTICE
• Do not continue to move the sunroof
control lever after the sunroof is fully
opened, closed, or tilted. Damage
to the motor or system components
could occur.
• Make sure the sunroof is closed fully
when leaving your vehicle.
If the sunroof is left open, rain or
snow may wet the interior of the
vehicle. Also, leaving the sunroof
open when the vehicle is unattended
may invite theft.
pAnorAmic SUnroof (if eQUippeD)

05
5-49
Resetting the Sunroof
ODN8A059039
The sunroof may need to be reset if the
following conditions occur:
• The battery is discharged or disconnected or the sunroof fuse has
been replaced or disconnected
• The sunroof control lever is not operating correctly
To reset the sunroof, perform the
following steps:
1. Turn the engine on and close the sunroof glass and sunshade
completely.
2. Release the control lever.
3. Push and hold the sunroof control lever (1) forward (to close the
sunshade) for about 10 seconds until
the sunroof moves slightly, then
release the control lever.
4. Push and hold the sunroof control lever forward until the sunroof
operates as follows:
TILT DOWN → SLIDE OPEN → SLIDE
CLOSE
Then, release the control lever.
When this is complete, the sunroof
system is reset.
For more information, contact an
authorized HYUNDAI dealer.
Information
If you do not reset the sunroof, it may not
work properly.
Sunroof Open Warning (if equipped)
• If the driver turns off the engine when the sunroof is not fully closed,
the warning chime will sound for
approximately 3 seconds and the
sunroof open warning will appear on
the cluster LCD display.
• If the driver turns off the engine and opens the door when the sunroof is
not fully closed, the sunroof open
warning will appear on the cluster
LCD display until the door is closed or
the sunroof is fully closed.
Close the sunroof securely when leaving
your vehicle.

Convenience Features
5-50
Hood
Opening the hood
ODN8A059040
1. Park the vehicle and set the parking brake.
2. Pull the release lever to unlatch the hood. The hood should pop open
slightly.
ODN8A059041
3. Go to the front of the vehicle, raise the hood slightly, push up the secondary
latch (1) inside of the hood center
and lift the hood (2). After it has been
raised about halfway, it will raise
completely by itself. Closing the hood
1. Before closing the hood, check in and
around the engine compartment to
ensure the following:
- Any tools or other loose objects are removed from the engine room area
or hood opening area
- All glove, rags, or other combustible material is removed from the engine
compartment
- All filler caps are tightly and correctly installed
2. Lower the hood halfway (lifted approximately 30 cm (12 inches) from
the closed position) and push down
to securely lock in place. Then double
check to be sure the hood is secure.
If the hood can be raised slightly, it is
not securely locked. Open it again and
close it with more force.
WARNING
• Before closing the hood, ensure
all obstructions are removed from
around the hood opening.
• Always double check to be sure that
the hood is firmly latched before
driving away. Check there is no
hood open warning light or message
displayed on the instrument cluster.
Driving with the hood opened may
cause a total loss of visibility, which
might result in an accident.
• Do not move the vehicle with the
hood in the raised position, as vision
is obstructed, which might result in
an accident, and the hood could fall or be damaged.
exterior FeAtures

Convenience Features
5-56
Detecting area
ODN8059049L
• The Smart Trunk with Auto Open operates with a welcome alert if the
smart key is detected within 50 ~ 100
cm (20~40 inches) from the trunk.
• The alert stops at once if the smart key is positioned outside the
detecting area during the Detect and
Alert stage.
Information
• The Smart Trunk with Auto Open function will not work if any of the following occurs:
- The smart key is close to a radio transmitter such as a radio station or
an airport which can interfere with
normal operation of the transmitter.
- The smart key is near a mobile two way radio system or a cellular phone.
- Another vehicle’s smart key is being operated close to your vehicle.
• The detecting range may decrease or increase when :
- One side of the tire is raised to replace a tire or to inspect the vehicle.
- The vehicle is parked on a slope or unpaved road, etc.
Fuel Filler Door
Opening the fuel filler door
ODN8059050
1. Turn the engine off.
2. Ensure the driver’s door is unlocked.
3. Push the fuel filler door near the 3 o’clock position.
ODN8059051
3. Pull the fuel filler door (1) outward to access the fuel tank cap.
4. To remove the fuel tank cap (2), turn
it counterclockwise. You may hear a
hissing noise as the pressure inside
the tank equalizes.
5. Place the cap on the fuel filler door.

05
5-57
Information
If the fuel filler door does not open
because ice has formed around it, tap
lightly or push on the door to break the
ice and release the door. Do not pry on the
door. If necessary, spray around the door
with an approved deicer fluid (do not use
radiator antifreeze) or move the vehicle to a warm place and allow the ice to melt. Closing the fuel filler door
1. To install the fuel tank cap, turn it clockwise until it “clicks” one time.
2. Close the fuel filler door until it is latched securely.
WARNING
Gasoline is highly flammable and
explosive. Failure to follow these
guidelines may result in SERIOUS
INJURY or DEATH: • Read and follow all warnings posted
at the gas station.
• Before refueling, note the location of
the Emergency Gasoline Shut-Off, if
available, at the gas station.
• Before touching the fuel nozzle, you
should eliminate the potential build-
up of static electricity by touching
a metal part of the vehicle, a safe
distance away from the fuel filler
neck, nozzle, or other gas source,
with your bare hand.
• Do not use cellular phones while
refueling. Electric current and/or
electronic interference from cellular
phones can potentially ignite fuel
vapors and cause a fire. •
Do not get back into a vehicle
once you have begun refueling.
You can generate a buildup of
static electricity by touching,
rubbing or sliding against any item
or fabric capable of producing
static electricity. Static electricity
discharge can ignite fuel vapors
causing a fire. If you must re-enter
the vehicle, you should once again
eliminate potentially dangerous
static electricity discharge by
touching a metal part of the vehicle,
away from the fuel filler neck, nozzle
or other gasoline source, with your
bare hand.
• When using an approved portable
fuel container, be sure to place the
container on the ground prior to
refueling. Static electricity discharge
from the container can ignite fuel
vapors causing a fire.
Once refueling has begun, contact
between your bare hand and the
vehicle should be maintained until
the filling is complete.
• Use only approved portable plastic
fuel containers designed to carry and
store gasoline.
• When refueling, always move the
shift button to the P (Park) position
set the parking brake, and place
the ignition switch to the LOCK/
OFF position. Sparks produced by
electrical components related to the
engine can ignite fuel vapors causing
a fire.
• Do not use matches or a lighter and
do not smoke or leave a lit cigarette
in your vehicle while at a gas station,
especially during refueling.
• Do not over-fill or top-off your
vehicle tank, which can cause gasoline spillage.

05
5-63
ODN8A059204
To flash the high beam headlamp, pull
the lever towards you, then release the
lever. The high beams will remain ON as
long as you hold the lever towards you.
High Beam Assist (HBA)
OOS047409N
High Beam Assist is a system that
automatically adjusts the headlamp
range (switches between high beam and
low beam) according to the brightness of
other vehicles and road conditions.
System setting
The driver can activate HBA by placing
the ignition switch to the ON position
and by selecting:
‘User Settings → Lights → High Beam
Assist’. If you disable this setting, HBA
will not work.
The setting of the HBA will be
maintained, as selected, when the
engine is re-started.
Operating condition
1. Place the headlamp switch in the AUTO position.
2. Turn on the high beam by pushing the lever away from you.
High Beam Assist (
) indicator will
illuminate.
3. High Beam Assist will turn on when vehicle speed is above 40 km/h (25
mph).
• If the headlamp switch is pushed
away when High Beam Assist
system is operating, High Beam
Assist system will turn off and the
high beam will be on continuously.
• If the headlamp switch is pulled
towards you when the high beam
is OFF, the high beam will turn ON
without High Beam Assist system
canceled. When you let go of the
light switch, the lever will move to the middle and the high beam will
turn OFF.
• If the headlamp switch is pulled
towards you when the high beam is
on by High Beam Assist system, the
low beam will be on and High Beam
Assist system will turn OFF.
• If the headlamp switch is placed
to the headlamp ON position,
High Beam Assist system will turn
off and the low beam will be on
continuously.

Convenience Features
5-66
Turn signals and lane change signals
ODN8A059207
To signal a turn, push down on the lever
for a left turn or up for a right turn in
position (A).
If an indicator stays on and does not flash
or if it flashes abnormally, one of the turn
signal bulbs may be burned out and will
require replacement.
One touch turn signal function
To activate the One Touch Turn Signal
function, push the turn signal lever up or
down to position (B) and then release it. The lane change signals will blink 3, 5 or 7 times.
You can activate or deactivate the One
Touch Turn Signal function or choose
the number of blinks (3, 5, or 7) from the
User Settings mode in the LCD display. Battery saver function
The purpose of this feature is to prevent
the battery from being discharged.
The system automatically turns off the
parking lamp when the driver turns the
vehicle off and opens the driver-side
door.
With this feature, the parking lamps will
turn off automatically if the driver parks
on the side of road at night.
However, the position lamps stay ON
even when the driver-side door is opened
if the headlamp switch is turned to the
position lamp or AUTO (if equipped)
position after the engine is turned off.
If necessary, to keep the lamps on turn the position lamps OFF and ON
again using the headlamp switch on
the steering column after the engine is
turned off.
Headlamp delay function (if equipped)
If the key is removed from the ignition
switch or placed in the ACC position
or the LOCK/OFF position with the
headlamps ON, the headlamps (and/
or parking lamps) remain on for about
5 minutes. However, if the driver’s door is opened and closed, the headlamps
are turned off after 15 seconds. Also,
with the engine off if the driver’s door is
opened and closed, the headlamps (and/
or parking lamps) are turned off after 15 seconds.
The headlamps (and/or parking lamps)
can be turned off by pressing the lock
button on the remote key or smart key
twice or turning the headlamp switch to
the OFF or AUTO position.
You can activate or deactivate the
Headlamp Delay function from the User
Settings Mode in the LCD display.

05
5-67
NOTICE
If the driver exits the vehicle through
another door besides the driver
door, the battery saver function
does not operate and the headlamp
delay function does not turn OFF
automatically.
This may cause the battery to
discharge. To avoid battery discharge,
turn OFF the headlamps manually from
the headlamp switch before exiting the
vehicle.
Headlamp leveling device
It automatically adjusts the headlamp
beam level according to the number of
passengers and loading weight in the
luggage area.
And it offers proper headlamp beam
under various conditions.
WARNING
If the function does not work properly,
have the vehicle inspected by an
authorized HYUNDAI dealer. Do not
attempt to inspect or replace the wiring
yourself.
Interior Lights
WARNING
Do not use the interior lights when
driving in the dark. The interior lights
may obscure your view and cause an
accident.
NOTICE
Do not use the interior lights for
extended periods when the vehicle is
turned off or the battery will discharge.
Interior lamp AUTO cut
The interior lamps will automatically go
off approximately 20 minutes after the
engine is turned off and the doors are closed. If a door is opened, the lamp
will go off 40 minutes after the engine is
turned off. If the doors are locked by the
remote key or smart key and the vehicle
enters the armed stage of the theft
alarm system, the lamps will go off five
seconds later.

Convenience Features
5-68
Front lamps
ODN8A059210
Front Map Lamp (1):
Press either lenses to turn the map lamp
on or off. This light produces a spot
beam for convenient use as a map lamp
at night or as a personal lamp for the
driver and the front passenger.
Front Door Lamp (2) ():
The front or rear room lamps come on
when the front or rear doors are opened
if the engine is running or not. When
doors are unlocked by the remote key or
smart key, the front and rear lamps come
on for approximately 30 seconds as long
as any door is not opened. The front and
rear room lamps go out gradually after
approximately 30 seconds when the door
is closed. However, if the ignition switch
is in the ON position or all doors are
locked, the front and rear lamps will turn
off. If a door is opened with the ignition
switch in the ACC position or the OFF
position, the front and rear lamps stay on
for about 20 minutes.
Front room lamp (3) :
Press the button to turn ON the room
lamp for the front/rear seats.
Rear lamp
ODN8059211
„
„Type A (without sunroof )
„„Type B (with sunroof )
OLFP048099
Rear Room Lamp ():
Press this switch to turn the rear room
lamp on and off.
NOTICE
Do not leave the lamp switches on for
an extended period of time when the
engine is turned off.

Convenience Features
5-72
Information
If the wiper switch is set in AUTO mode when Engine Start/Stop button is in the
ON position, the wiper will operate once to perform a self-check of the system. Set the
wiper to the OFF position when the wiper is not in use.
WARNING
To avoid personal injury from the
windshield wipers, when the engine is running and the windshield wiper
switch is placed in the AUTO mode:
• Do not touch the upper end of the windshield glass facing the rain
sensor.
• Do not wipe the upper end of the windshield glass with a damp or wet
cloth.
• Do not put pressure on the windshield glass.

Windshield Washers
ODN8059209K
In the OFF position, pull the lever gently
toward you to spray washer fluid on the
windshield and to run the wipers 1-3
cycles. The spray and wiper operation
will continue until you release the lever. If
the washer does not work, you may need
to add washer fluid to the washer fluid
reservoir.
WARNING
When the outside temperature is below
freezing, ALWAYS warm the windshield
using the defroster to help prevent
the washer fluid from freezing on the
windshield and obscuring your vision
which could result in an accident and
serious injury or death.
NOTICE
• To prevent possible damage to the
washer pump, do not operate the
washer when the fluid reservoir is
empty.
• To prevent possible damage to the
wipers or windshield, do not operate
the wipers when the windshield is
dry.
• To prevent damage to the wiper
arms and other components, do
not attempt to move the wipers
manually.
• To prevent possible damage to the
wipers and washer system, use anti-
freezing washer fluids in the winter
season or cold weather.