2018 Hyundai Sonata lane assist

5
Blind Spot Detection System (BSD) ..................5-89
BSD (Blind Spot Detection) /
LCA (Lane Change Assist) .............................................5-90
RCTA (Rear Cross Traffic Alert) ..................................5-93
Automatic emergency braking (AEB) ...............5-97
System setting and activation......................................5-97
AEB warning message and system control ..............5-99
Sensor to detect the distance from the vehicle
in front (front radar) ...................................................5-102
System malfunction......................................................5-103
Limitation of the system .............................................5-105
Special Driving Conditions ................................5-109
Hazardous Driving Conditions....................................5-109
Rocking the Vehicle ......................................................5-109
Smooth Cornering .........................................................5-110
Driving at Night .............................................................5-110
Driving in the Rain ........................................................5-111
Driving in Flooded Areas.............................................5-111
Winter Driving ....................................................5-112
Snow or Icy Conditions................................................5-112
Winter Precautions .......................................................5-114
Vehicle Load Limit..............................................5-116
Tire Loading Information Label .................................5-117
Trailer Towing .....................................................5-121

5-74
The Lane Keeping Assist System
helps detect the lane markers on the
road with a camera at the front wind-
shield, and assists the driver's steer-
ing to help keep the vehicle in the
lanes.
When the system detects the vehicle
straying from its lane, it alerts the
driver with a visual and audible warn-
ing, while applying a slight counter-
steering torque, trying to prevent the
vehicle from moving out of its lane.
L LA
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SS
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S T
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S Y
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(
( L
L K
K A
A S
S)
)
Driving your vehicle
OLF057510
Driver is responsible for being
aware of surroundings and
steering the vehicle for safe
driving practices.
Do not steer the steering
wheel suddenly when the
steering wheel is being assist-
ed by the system.
LKAS helps prevent the driver
from moving out of the lane
unintentionally by assisting
the driver's steering. However,
the system is just a conven-
ience function and the steer-
ing wheel is not always con-
trolled. While driving, the driv-
er should pay attention to the
steering wheel.
The operation of the LKAS
can be cancelled or not work
properly according to road
condition and surroundings.
Always be cautious when
driving.
WARNING
Do not disassemble LKAS
camera temporarily for tinted
window or attaching any
types of coatings and acces-
sories. If you disassemble a
camera and assemble it again,
take your vehicle to an author-
ized HYUNDAI dealer and
have the system checked for a
calibration.
When you replace the wind-
shield glass, LKAS camera or
related parts of the steering,
take your vehicle to an author-
ized HYUNDAI dealer and
have the system checked for a
calibration.
The system detects 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.
Always be cautious when
using the system.
(Continued)
WARNING

5-75
Driving your vehicle
5
LKAS operation
To activate/deactivate the LKAS:
With the ignition switch in the ON
position, press the LKAS button
located on the instrument panel on
the lower left hand side of the driver.
The indicator in the cluster display
will initially illuminate white.
When the indicator(white) activated
in the previous ignition cycle, the
system turns on without any control.
Do not place objects on the
dashboard that reflects light
such as mirrors, white paper,
etc. The system may malfunc-
tion if the sunlight is reflected.
Do not place any accessories
near the rearview mirror.
You may not hear warning
sound of LKAS because of the
excessive audio sound.(Continued)
(Continued)
If you continue to drive with
your hands off the steering
wheel, the LKAS will stop con-
trolling the steering wheel
after the hands off alarm.
After then, if you drive with
your hands on the steering
wheel, the control will be acti-
vated again.
If the vehicle speed is high,
steering torque for assistance
will not be enough to keep
your vehicle within the lane. If
so, the vehicle may move out
of its lane.
If you attach objects to the
steering wheel, the system
may not assist steering.
If you attach objects to the
steering wheel, hands off
alarm may not work properly.
WARNING
(Continued)
When the lane markers are
hard to detect, please refer to
"Limitation of the System".
Do not remove or damage the
related parts of LKAS.
OLF057035

5-76
Driving your vehicle
If you press the LKAS button again,
the indicator on the cluster display
will go off.
The color of indicator will change
depend on the condition of LKAS.
- White : Sensor does not detect the lane marker or vehicle speed is
less than 40 mph (64 km/h).
- Green : Sensor detects the lane marker and system is able to con-
trol the steering.
LKAS activation
To see the LKAS screen on theLCD display in the cluster, Tab to
the ASSIST mode ( ). For more
details, refer to "LCD Display" in
chapter 3.
After LKAS is activated, if both lane markers are detected, vehicle
speed is over 40 mph (64 km/h)
and all the activation conditions are
satisfied, a green steering wheel
indicator will illuminate and the
steering wheel will be controlled.
OLF057562N
The Lane Keeping Assist
System is a system to help pre-
vent the driver from leaving the
lane. However, the driver should
not solely rely on the system
but always check the road con-
ditions when driving.
WARNING

5-77
Driving your vehicle
If the speed of the vehicle is over 40
mph (64 km/h) and the system
detects lane markers, the color
changes from gray to white.If the speed of the vehicle is over 40
mph (64 km/h) and the system
detects lane markers, the color
changes from gray to white.When the conditions below are met,
LKAS will be enable to assist steer-
ing.
Vehicle speed is above 40mph (64
km/h).
Both lane markers are detected by LKAS.
The vehicle is between the lane markers.
If LKAS can assist steering, a green
steering wheel indicator will illumi-
nate.
5
■Left lane line■Right lane line
OLF057566N/OLF057565N
■Lane Line undetected■Lane Line detected
OLF057563N/OLF057564N

5-79
Driving your vehicle
Driver's grasp not detected.
LKAS will be disabled temporarily
If the driver still does not have their
hands on the steering wheel after
several seconds, the system will not
control the steering wheel and warn
the driver only when the driver cross-
es the lane markers.
However, if the driver has their hands
on the steering wheel again, the sys-
tem will start controlling the steering
wheel.
LKAS malfunction
Check LKAS
LKAS failure indicator
The LKAS failure indicator (yellow)
will illuminate if the LKAS is not
working properly. Have your vehicle
checked by an authorized HYUNDAI
dealer.
5OLF057571N
OLF057570N
The driver is responsible for
accurate steering.
Turn off the system and drive
the vehicle in below situa-
tions.
- In bad weather
- In bad road condition
- When the steering wheelneeds to be controlled by the
driver frequently.
The steering wheel may feel
heavier when the steering
wheel is assisted by the sys-
tem than when it is not.
WARNING

5-80
The system will be cancelled when:
You change lanes with the turn sig-nal.
- Using the turn signal to changelanes.
- If you change lanes without the turn signal on, the steering wheel
might be controlled.
LKAS can transit to steering assist mode when the car is near to mid-
dle of the lane after system on or
the lane was changed. LKAS can
not assist steering if the vehicle fol-
lows lane marker too close contin-
uously before transition to steering
assist mode.
The control of ESC (Electronic Stability Control) or VSM (Vehicle
Stability Management) is activated.
The steering will not be assisted when your drive fast on a sharp
curve.
The steering will not be assisted when vehicle speed is below 40
mph (64 km/h) and over 110 mph
(177 km/h).
The steering will not be assisted when you change lanes fast. The steering will not be assisted
when you brake suddenly.
The steering will not be assisted when the lane is very wide or nar-
row.
The steering will not be assisted when only one side lane marker is
detected.
There are more than two lane markers such as a construction
area.
Radius of a curve is too small.
When you turn steering wheel sud- denly, the LKAS will be disabled
temporarily.
Driving on a steep slope or hill.
Driving your vehicle

5-81
Driving your vehicle
LKAS function change Lane Departure Warning
LDWS alerts the driver with a visual
and acoustic warning when the sys-
tem detects the vehicle leaving the
lane. In this mode, the steering wheel
will not be controlled. When the vehi-
cle’s front wheel contacts the inside
edge of lane line, LKAS issues the
lane departure warning.
Standard LKA
The Standard LKA mode guides the
driver to help keep the vehicle within
the lanes. It rarely controls the steer-
ing wheel, when the vehicle drives
well inside the lanes. However, it
starts to control the steering wheel,
when the vehicle is about to deviate
out of the lanes.
Active LKA
The active LKA mode provides more
frequent steering wheel control in
comparison with the Standard LKA
mode. Active LKA can reduce the dri-
ver’s fatigue to assist the steering for
maintaining the vehicle in the middle
of the lane.
5The driver can change LKAS to Lane Departure Warning System (LDWS) or
the LKAS mode between Standard LKA and Active LKA from the User
Settings Mode on the LCD display.
OLF057572N/OLF057596N/OLF057573N
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