light system HYUNDAI SONATA 2021 Service Manual

05
5-77
When High Beam Assist system is
operating, the high beam switches to low
beam if any of the following conditions
occur: - When the headlamp of an on-coming vehicle is detected.
- When the tail lamp of a vehicle in front
is detected.
- When the headlamp or tail lamp of a motorcycle or a bicycle is detected.
- When the surrounding ambient light is bright enough that high beams are not
required.
- When streetlights or other lights are detected.
- When the headlamp switch is not in the AUTO position.
- When High Beam Assist system is off.
- When vehicle speed is below 15 mph (24 km/h).
OIK047132N
Warning light and message
When High Beam Assist system is not
working properly, the Check High Beam
Assist warning message will come on
for a few seconds. After the message
disappears, the master warning light (
)
will illuminate. Take your vehicle to an
authorized HYUNDAI dealer and have the
system checked.
CAUTION
The system may not operate normally if
any of the following conditions should
occur:
1. When the illumination from an on- coming vehicle or a vehicle in front is
dim. Such examples may include:
• When the headlamps of an on-
coming vehicle or the tail lamps of
a vehicle in front is covered with
dust, snow, or water.
• When the headlamps on an on-
coming vehicle are OFF, but the
fog lamps are ON.

Convenient Features5-78
2. When the High Beam Assis t camera
is adversely affected by an external
condition. Such examples may
include:
• When the vehicle’s headlamps
have been damaged or not
repaired properly.
• When the vehicle headlamps are
not aimed properly.
• When the vehicle is driven on a
narrow curved road or rough road
• When the vehicle is driven on an
uphill road or downhill road
• When only part of the vehicle in
front is visible on a crossroad or
curved road.
• When there is a traffic light,
reflecting sign, flashing sign or
mirror.
• When the road conditions are bad
such as being wet or covered with
snow.
• When a vehicle suddenly appears
from a curve.
• When the vehicle is tilted from a
flat tire or being towed.
• When Lane Keeping Assist system
warning light illuminates.
• When the light from the on-coming
or front vehicle is not detected
because of exhaust fume, smoke,
fog, snow, etc.
• When the front window is covered
with foreign matters such as ice,
dust, fog, or is damaged.
3.

When the f
orward visibility is poor.
Such examples may include:
• When the headlamps of an on-
coming vehicle or a vehicle in front
is not detected due to poor outside
visibility (smog, smoke, dust, fog,
heavy rain, snow, etc.).
• When the windshield visibility is
poor. WARNING
• Do not attempt to disassemble
the front view camera without the
assistance of an authorized HYUNDAI
dealer technician. If the front camera
is removed for any reason, the
system may need to be re-calibrated.
Have the system inspected by an
authorized HYUNDAI dealer.
• If the windshield of your vehicle is
replaced, most likely the front view
camera will need to be re-calibrated.
If this occurs, have your vehicle
inspected and have the system re-
calibrated by an authorized HYUNDAI
dealer.
• Be careful that water doesn’t get into
High Beam Assist unit and do not
remove or damage related parts of
High Beam Assist system.
• Do not place objects on the crash
pad that reflect light such as mirrors,
white paper, etc. The system may
malfunction if sunlight is reflected.
• At times, High Beam Assist system
may not work properly. The system
is for your convenience only. It is the
responsibility of the driver for safe
driving practices and always check
the road conditions for your safety.
• When the system does not operate
normally, change the headlamp
position manually between the high
beam and low beam.

Convenient Features
5-80
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.

Convenient Features
5-82
Luggage compartment lamp
ODN8059213L
The luggage compartment lamp comes
on when the trunk is opened.
NOTICE
The luggage compartment lamp comes
on as long as the trunk is open. To
prevent unnecessary battery system
drain, close the trunk securely after
using the luggage compartment.
Vanity mirror lamp
OOS047055
Push the switch to turn the light on or off.
•
: The lamp will turn on if this
button is pressed.
•
: The lamp will turn o ff if this
button is pressed.
NOTICE
Always have the switch in the off
position when the vanity mirror lamp
is not in use. If the sunvisor is closed
without the lamp off, it may discharge
the battery or damage the sunvisor.

05
5-83
Welcome System (if equipped)
Welcome light
ODN8A059099
Door handle lamp
When all the doors (and trunk) are closed
and locked, the door handle lamp will
come on for about 15 seconds if any of
the below is performed.
• When the door unlock button is
pr

essed on the remote key or smart
key.
• When
the button of the outside door
handle is pr

essed.
• When
the vehicle is approached with
the smart k

ey in possession.
Headlamp
When the headlamp (lamp switch in
the headlamp or AUTO position) is on
and all doors (and trunk) are locked
and closed, the headlamp will come on
for 15 seconds if/or any of the below is
performed.
• When
the door unlock button is
pr

essed on the remote key or smart
key.
At this time, if you press the door lock or
unlock button, the headlamp will turn off
immediately. You can activate or deactivate the
Welcome Light from the User Settings
Mode on the LCD display.
For more information, refer to “LCD
Display” in chapter 4. If your vehicle is
equipped with additional navigation,
please refer to the infotainment system
manual separately supplied.
Interior lamp
When the interior lamp switch is in the
DOOR position and all doors (and trunk)
are closed and locked, the room lamp
will come on for 30 seconds if any of the
below is performed.
• When
the door unlock button is
pr

essed on the remote key or smart
key.
• When
the button of the outside door
handle is pr

essed.
At this time, if you press the door lock or
unlock button, the room lamp will turn
off immediately.

05
5-91
The brake assist will turn off when:
- The driv
er shifts the gear to P (Park) or
D (Drive)
- The driv

er depresses the brake pedal
with sufficient power
- The br

aking has been assisted for
approximately 2 seconds
The warning will turn off when:
- The driv

er shifts the gear to P (Park), N
(Neutral), or D (Drive)
The brake control may not operate
properly depending on the status of the
ESC (Electronic Stability Control). There
will only be a warning when:
- The ESC (Electr

onic Stability Control)
warning light is on
- The ESC (Electr

onic Stability Control)
is engaged in a different function
Warning only
• If the system detects a risk of collision
with a pedestrian or an object, the
system will warn the driver with
audible warning and warnings on the
cluster LCD display or infotainment
system display.
• If ‘Warning Only’ is selected, braking
will not be assisted.
The warning will turn off when:
- The driv

er shifts the gear to P (Park), N
(Neutral), or D (Drive)
WARNING
• Reverse Parking Collision-
Avoidance Assist system may
not operate properly or may
operate unnecessarily in some
circumstances.
• Always pay extreme caution while
driving. The driver is responsible for
controlling the brake appropriately.
CAUTION
• Always pay attention to road and
traffic conditions while driving,
whether or not there is a warning.
• Playing the vehicle audio system at
high volume may prevent occupants
from hearing Reverse Parking
Collision-Avoidance Assist system
warning sounds.
• If any other warning sound, such as
seat belt warning chime, is already
generated, Reverse Parking Collision-
Avoidance Assist system warning
may not sound.
Information
The system can detect a pedestrian or an
object when:
• A pedestrian is standing behind the
vehicle.
• A large obstacle, such as a vehicle, is
parked in the rear center of the vehicle.

05
5-93
Warning message
„„Rear view camera
ODN8A049044
„„Rear ultrasonic sensor
ODN8A049045
Rear camera error or blockage/ Parking
sensor error or blockage
This warning message may appear when:
• The rear view camera or the ultrasonic
sensor(s) is blocked by dirt, snow, or a
foreign object.
• There is inclement weather, such as
heavy snow, rain, etc.
If any of these conditions occur, the
system may turn off automatically or not
operate properly.
When the warning message is displayed
in the cluster, make sure that the rear
view camera and the rear ultrasonic
sensors are clean.
System Malfunction
ODN8A049046
Check Parking Collision-Avoidance Assist
system
If there is a problem with Reverse Parking
Collision-Avoidance Assist system
or other related systems, a warning
message will appear and the system will
turn off automatically. Have the vehicle
inspected by an authorized HYUNDAI
dealer.
Limitations of the System
Reverse Parking Collision-Avoidance
Assist system may not assist braking
or alert the driver under the following
conditions even if there are pedestrians
or objects.
• Any non-factory equipment or
accessories have been installed.
• The condition of the vehicle is
unstable due to an accident or other
causes.
• The height of the bumper or the
sensor installation has been modified.
• The rear view camera or the ultrasonic
sensor(s) is damaged.
• The rear view camera or the ultrasonic
sensor(s) is stained with foreign
matter, such as snow, dirt, etc.
• The rear view camera is obscured
by a light source or by bad weather
conditions, such as heavy rain, fog,
snow, etc.
• The surrounding is either too dark or
too bright.

Convenient Features
5-94
• Outside air temperature is hot or cold.
• The wind is either strong (over 12 mph
(20 km/h)) or blowing perpendicular
to the rear bumper.
• Objects generating excessive
noise, such as vehicle horns, loud
motorcycle engines, or truck air
brakes, are near the vehicle.
• An ultrasonic sensor with a similar
frequency is near the vehicle.
• There is ground height difference
between the vehicle and the
pedestrian.
• The image of the pedestrian in the
rear view camera is indistinguishable
from the background.
• The pedestrian is near the rear edge of
the vehicle.
• The pedestrian is not standing upright.
• The pedestrian is either too short or
too tall for the system to recognize.
• The pedestrian is wearing clothes that
are hard for the system to recognize.
• The pedestrian is wearing a cloth that
does not reflect ultrasound well.
• The size, thickness, height, or shape of
the object does not reflect ultrasound
well (e.g., pole, bush, curbs, carts,
edge of a wall, etc.).
• The pedestrian or the object is
moving.
• The pedestrian or the object is very
close to the rear of the vehicle.
• A wall is behind the pedestrian or the
object.
• The object is not at the rear center of
the vehicle.
• The plane of the obstacle is not
parallel to the rear bumper.
• The road is slippery or inclined.
• The driver backs up the vehicle
immediately after shifting to R
(Reverse).
• The driver accelerates or turns the
vehicle. Reverse Parking Collision-Avoidance
Assist system may alert the driver or
apply brake power unnecessarily under
the following conditions even if there are
“no” pedestrians or objects.
•
Any non-factory equipment or
accessories have been installed.
• The condition of the vehicle is
unstable due to an accident or other
causes.
• The height of the bumper or the
sensor installation has been modified.
• The bumper height has changed due
to heavy loads, tire pressure change,
etc.
• The rear view camera or the ultrasonic
sensor(s) is stained with foreign
matter, such as snow, dirt, etc.
• The pattern on the road is mistaken
for a pedestrian.
• There is a shadow or a light reflecting
on the ground.
• Pedestrians or objects are around the
path of the vehicle.
• Objects generating excessive
noise, such as vehicle horns, loud
motorcycle engines, or truck air
brakes, are near the vehicle.
• The vehicle is backing towards a
narrow passage or parking space.
• The vehicle is backing towards an
uneven road surface, such as unpaved
road, gravel, bump, gradient, etc.
• A trailer is attached to the vehicle

05
5-97
To Turn off Reverse Parking
Distance Warning System
(if equipped)
ODN8059057L
Push the button to turn off Reverse
Parking Distance Warning system. The
indicator light on the button will turn on.
Non-Operational Conditions
of Reverse Parking Distance
Warning System
Reverse Parking Distance Warning
system may not operate normally when:
• Moisture is frozen to the sensor.
• Sensor is covered with foreign matter,
such as snow or water, or the sensor
cover is blocked.
There is a possibility of Reverse
Parking Distance Warning system
malfunction when:
• Driving on uneven road surfaces such
as unpaved roads, gravel, bumps, or
gradient.
• Objects generating excessive
noise such as vehicle horns, loud
motorcycle engines, or truck air
brakes can interfere with the sensor.
• Heavy rain or water spray is present.
• Wireless transmitters or mobile
phones are present near the sensor.
• The sensor is covered with snow.
• Any non-factory equipment or
accessories have been installed, or if
the vehicle bumper height or sensor
installation has been modified.
Detecting range may decrease
when:
Outside air temperature is extremely hot
or cold.

Convenient Features
5-108
How Remote Smart Parking
Assist System Works
Remote Moving Forward/Backward
Remote Moving Forward/Backward is
available with the driver outside the
vehicle. Make sure the conditions are
met before activating Remote Moving
Forward/Backward function. With the
function, you can park or exit the vehicle
and the procedure is as follows.
1.
R
emote Moving Forward/Backward
ready:
(1)


With the v
ehicle off: Remotely turn
on the vehicle.
(2)


With the v
ehicle on: with shift
button is in P (Park) position,
then press Remote Smart Parking
Assist system button. Then exit the
vehicle possessing the smart key.
2.

R
emote Moving Forward/Backward
assist: Press and hold the Moving
Forward/Backward button of the
smart key to provide the Remote
Moving Forward/Backward assist
through steering wheel, gear shift and
vehicle speed control.
3.

R
emote Moving Forward/Backward
complete: When the vehicle reaches
the desired position, release the
smart key button. Then complete the
Remote Moving Forward/Backward
by entering the vehicle possessing the
smart key or by pressing the remote
start button of the smart key.
Remote Smart Parking
Assist system button
Parking Distance Warning system button
Remote start button
Moving forward button
Moving backward button
ODN8059332
OFE048422
1. Remote Moving Ready
Y

ou can activate Remote Moving
Forward/Backward in 2 ways.
(1)


With the v
ehicle turned off, press
the door lock button of the smart
key and then within 4 seconds
press the remote start button for
over 2 seconds to start up the
vehicle. The hazard warning light
blinks and displays the status of the
function.
à F

or the details of remote start up,
refer to Remote Start in this chapter.