2020 Hyundai Sonata Marker

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6-109
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Lane Following Assist system helps
detect lane markers on the road
with a front view camera at the front
windshield, and assists the driver’s
steering to help keep the vehicle
between lanes.
WARNING
Lane Following Assist system is not a
substitute for safe driving practices,
but a convenience function. It is the
responsibility of the driver to always be
aware of the surroundings and steer the
vehicle.
WARNING
Take the following precautions when
using Lane Following Assist system:
• Do not turn the steering wheel
suddenly when the steering wheel is
being assisted by the system.
• LFA system helps the driver to keep
the vehicle in the center of the lane
by assisting the driver’s steering.
However, the driver should not solely
rely on the system but always pay
attention on the steering wheel to
stay in the lane.
• The operation of LFA system can
be canceled or not work properly
according to road condition and
surroundings. Always be cautious
when driving.
• Do not disassemble LFA system
camera temporarily to tint the
window or attach any types of
coatings and accessories. If you
disassemble the camera and
assemble it again, have the vehicle
inspected by an authorized HYUNDAI
dealer.
LANE FOLLOWING ASSIST (LFA) (IF EQUIPPED)

While Driving6-110
• When you replace the windshield
glass, LFA system camera or related
parts of the steering wheel, have the
vehicle inspected by an authorized
HYUNDAI dealer.
• The system helps detect lane
markers and controls the steering
wheel by a camera, therefore, if the
lane markers are hard to detect, the
system may not work properly.
• Please refer to “Limitations of the
System”.
• Do not remove or damage the related
parts of LFA system.
• You may not hear a warning sound
of LFA system if the audio volume is
high.
• Do not place objects on the
dashboard that reflects light such as
mirrors, white paper, etc. This may
prevent LFA system from functioning
properly. •
Always have your hands on the
steering wheel while LFA system is
activated. If you continue to drive
with your hands off the steering
wheel after the “Keep hands on
steering wheel” warning message
appears, the system will turn off
automatically.
However, if the driver has their
hands on the steering wheel again,
the system will start controlling the
steering wheel.
• The steering wheel is not
continuously controlled so if the
vehicle speed is at a higher rate
when leaving a lane the vehicle may
not be controlled by the system. The
driver must always follow the speed
limit when using the system.
• If you attach objects to the steering
wheel, the system may not assist
steering or the hands off alarm may
not work properly.

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Driver’s hands not detected.
LFA system is disabled temporarily
If the driver still does not have their
hands on the s
teering wheel after the
message “Keep hands on steering
wheel”, the system will not control the
steering wheel and warn the driver
only when the driver crosses the lane
markers.
However, if the driver has their hands on
the steering wheel again, the system will
start controlling the steering wheel.
WARNING
• LFA system is a supplemental system
only. It is the responsibility of the
driver to safely steer the vehicle and
to maintain it in its lane.
• Turn off LFA system and drive
without using the system in the
following situations:
- In bad weather
- In bad road conditions
- When the steering wheel needs
to be controlled by the driver
frequently
- A trailer or carrier is installed.
Information
• Even though the steering is assisted by
the system, the driver may control the
steering wheel.
• The steering wheel may feel heavier
when the steering wheel is assisted by
the system than when it is not.
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Check LFA (Lane Following Assist) system
If there is a problem with the system a
message will appear f

or a few seconds. If
the problem continues LFA system failure
indicator will illuminate.

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LFA system will not be in the ENABLED
state and/or the steering wheel will not be
assisted when:
• The turn signal is turned on before changing a lane. If y
ou change
lanes without the turn signal on, the
steering wheel might be controlled.
• The vehicle is not driven in the middle of the lane when the system is turned
on or right after changing a lane.
• ESC (Electronic Stability Control) or VSM (Vehicle Stability Management)
is activated.
• The vehicle is driven on a sharp curve.
• If vehicle speed is over 95 mph (153 km/h)
• The vehicle makes sharp lane changes.
• The vehicle brakes suddenly.
• Only one lane marker is detected.
• The lane is very wide or narrow.
• There are more than two lane markers on the road (e.g. construction area).
• Radius of a curve is too small.
• The vehicle is driven on a steep incline.
• The steering wheel is turned suddenly.
• The system may not operate for 15 seconds after the engine is started or
the camera is initialized.
Limitations of the System
LFA system may operate prematurely
even if the vehicle does not depart from
the intended lane, OR, LFA system may
not assist your steering or warn you if the
vehicle leaves the intended lane under
the following circumstances:
When the lane and road conditions are
poor
• It is difficult to distinguish the lane marking from the road surface or the
lane marking is faded or not clearly
marked.
• It is difficult to distinguish the color of the lane marker from the road.
• There are markings on the road surface that look like a lane marker
that is inadvertently being detected
by the camera.
• The lane marker is indistinct or damaged.
• The lane marker is merged or divided (e.g. tollgate).
• The lane number increases or decreases or the lane marker are
crossing complicatedly.
• There are more than two lane markers on the road in front of you.
• The lane marker is very thick or thin.
• The lane is very wide or narrow.
• The lane marker ahead is not visible due to rain, snow, water on the road,
damaged or stained road surface, or
other factors.

While Driving6-114
• The shadow is on the lane marker by a median strip, trees, guardrail, noise
barriers, etc.
• The lane markers are complicated or a structure substitutes for the lines such
as a construction area.
• There are crosswalk signs or other symbols on the road.
• The lane marker in a tunnel is stained with oil, etc.
• The lane suddenly disappears such as at the intersection.
• Driving the shared lane usage (bicycle lane, pedestrians lane, etc.)
When external condition is intervened
• The brightness outside changes suddenly such as when entering or
exiting a tunnel, or when passing
under a bridge.
• The brightness outside is too low such as when the headlamps are not on at
night or the vehicle is going through
a tunnel.
• There is a boundary structure in the roadway such as a concrete barrier,
guardrail and reflector post that is
inadvertently being detected by the
camera.
• When light coming from a street light or an oncoming vehicle is reflected on
a wet road surface such as a puddle in
the road.
• The field of view in front is obstructed by sun glare. • There is not enough distance between
you and the vehicle in front to be
able to detect the lane marker or the
vehicle ahead is driving on the lane
marker.
• Driving on a steep grade, over a hill, or when driving on a curved road.
• The adverse road conditions cause excessive vehicle vibrations while
driving.
• The surrounding of the inside rear view mirror temperature is high due to
direct sunlight, etc.
• The sensor recognition changes suddenly when passing over a speed
bump or driving on a steep up/down
or right/left grade
When front visibility is poor
• The windshield or the camera lens is blocked with dirt or debris.
• The windshield glass is fogged up; a clear view of the road is obstructed.
• Placing objects on the dashboard, etc.
• The sensor cannot detect the lane because of fog, heavy rain or snow.

While Driving6-116
System Setting and Operation
System setting
• With the Engine Start/Stop button in the ON or START position, Highway
Driving Assist can be activated
by selecting 'Driver Assistance

Highway Driving Assist’ from the User
Settings mode on the infotainment
system. For detailed information,
please refer to the infotainment
system manual separately supplied.
• If the engine is turned off then on again, the system maintains the last
setting.
Operating conditions
Select 'Highway Driving Assist' from
the Settings menu in the infotainment
system screen and satisfy the following
conditions for the system to operate.
• Driving on the highway main line
• Smart Cruise Control is operating
- If Smart Cruise Control is in the READY state the Highway Driving
Assist will be in the READY state.
The
indicator on the cluster
will illuminate white.
• Vehicle speed is under 95 mph (153 km/h)
If all the mentioned conditions are
satisfied, the system is ENABLED and
the
indicator on the cluster will
illuminate green.
Steering wheel control
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Steering control
If the vehicle detects both lane markers
(lane color whit

e), the
indicator light
will change from white to green. This
indicates that the steering wheel is being
controlled.
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Temporary deactivation
The
indicator light changes from
green to white when the steering wheel
control is temporarily deactivated. Even
if the steering wheel is not controlled,
the distance between the vehicle ahead
will be maintained.

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Warning Message
Hands-off warning
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Keep hands on steering wheel
If the driver takes their hands off the
s
teering wheel for several seconds while
HDA system is activated, the system will
warn the driver.
Information
If the steering wheel is held with a light
grip, the message may appear because
HDA system may not recognize that the
driver has their hands on the steering
wheel.
WARNING
The warning message may appear
late according to road conditions.
Therefore, always have your hands on
the steering wheel while driving. Highway Driving Assist (HDA) system
canceled
If the driver still does not have their
hands on the s

teering wheel after the
message "Keep hands on steering
wheel", HDA system will be canceled.
However, if Lane Following Assist is
reactivated manually by the driver,
Highway Driving Assist System will
reactivate.
To activate Lane Following Assist, refer to
“Lane Following Assist” in this chapter.
HDA system will not be in the ENABLED
state and/or the steering wheel will not
be assisted when:
• The turn signal is turned on before changing a lane. If you change
lanes without the turn signal on, the
steering wheel might be controlled.
• The vehicle is not driven in the middle of the lane when the system is turned
on or right after changing a lane.
• ESC (Electronic Stability Control) or VSM (Vehicle Stability Management)
is activated.
• The vehicle is driven on a sharp curve.
• Vehicle speed is over 95 mph (153 km/h).
• The vehicle makes sharp lane changes.
• The vehicle brakes suddenly.
• Only one lane marker is detected.
• The lane is very wide or narrow.
• There are more than two lane markers on the road (e.g. construction area).
• Radius of a curve is too small.
• The vehicle is driven on a steep incline.
• The steering wheel is turned suddenly.

Tires and Wheels ........................................................................\
.................. 8-34Tire Care ........................................................................\
.......................................... 8-34
Recommended Cold Tire Inflation Pressures ....................................................... 8-34
Check Tire Inflation Pressure ........................................................................\
......... 8-35
Tire Rotation ........................................................................\
................................... 8-36
Wheel Alignment and Tire Balance ....................................................................... 8-36
Tire Replacement ........................................................................\
........................... 8-37
Wheel Replacement ........................................................................\
....................... 8-38
Tire Traction ........................................................................\
.................................... 8-38
Tire Maintenance..................................................................\
.................................. 8-38
Tire Sidewall Labeling ........................................................................\
.................... 8-38
Tire Terminology and Definitions ........................................................................\
.. 8-42
All Season Tires ........................................................................\
...............................8-44
Summer Tires ........................................................................\
.................................8-44
Snow Tires......................................................................\
.........................................8-44
Radial-Ply Tires ........................................................................\
............................... 8-45
Low Aspect Ratio Tires ........................................................................\
................... 8-45
Fuses ...................................................................\
......................................... 8-46Instrument Panel Fuse Replacement .................................................................... 8-47
Engine Compartment Panel Fuse Replacement ..................................................8-48
Fuse/Relay Panel Description........................................................................\
........8-49
Light Bulbs ........................................................................\
............................ 8-55
Headlamp, Parking Lamp, Daytime Running Light, Turn Signal Lamp,
Cornering Lamp and Side Marker ........................................................................\
. 8-55
Side Repeater Lamp Replacement .......................................................................8-56
Rear Combination Light Bulb Replacement .........................................................8-56
High Mounted Stop Lamp Replacement ..............................................................8-58
License Plate Light Bulb Replacement .................................................................8-58
Interior Light Bulb Replacement ........................................................................\
...8-59
Appearance Care ........................................................................\
................. 8-61Exterior Care ........................................................................\
................................... 8-61
Interior Care ........................................................................\
....................................8-65
Emission Control System ........................................................................\
..... 8-67
California Perchlorate Notice ...................................................................... 8-70
Consumer Information ........................................................................\
......... 8-71
Reporting Safety Defects ........................................................................\
.... 8-72
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