2021 HYUNDAI SONATA HYBRID light

While Driving
6-110
LFA Operation
ODN8069079
With the Engine Start/Stop button
is in the ON or START position, Lane
Following Assist can be activated by
pressing the button.
Operating conditions
When the system is activated, the
indicator () on the cluster will
illuminate. The color of the indicator will
change depending on the condition of
LFA system.
- Green: Steering assist mode is ON
-White: Steering assist mode is OFF
LFA system operation
• If the vehicle is inside the lane with
both lanes detected by the system
(lane color changes from gray to
white), and there is no abrupt steering
made by the driver, LFA system
changes to steering assist mode.
The
indicator light will come on green, and the system helps the
vehicle stay in line by controlling the
steering wheel.
When the steering wheel is not
controlled temporarily, the
indicator light will flash green and
change to white.
Warning Message
ODN8069068L
Keep hands on steering wheel
If the driver takes their hands off the
steering wheel for several seconds while
LFA system is activated, the system will
warn the driver.
Information
Hold the steering wheel tight. Otherwise,
LFA system could misjudge that the
driver’s hands are off the steering wheel,
and the above warning may occur.
WARNING
The warning message may appear
late according to road conditions.
Therefore, always have your hands on
the steering wheel while driving.

06
6-113
• 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.

06
6-115
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
ODN8A069215
Steering control
If the vehicle detects both lane markers
(lane color white), the
indicator light will change from white to green. This
indicates that the steering wheel is being
controlled.
ODN8A069216
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.

06
6-117
Warning Message
Hands-off warning
ODN8A069219
Keep hands on steering wheel
If the driver takes their hands off the
steering 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 steering 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.

06
6-121
WARNING
• Always be aware of road conditions
while driving and be alert for
unexpected situations even though
Rear Cross-Traffic Collision Warning
system and Rear Cross-Traffic
Collision-Avoidance Assist system
are operating.
• Rear Cross-Traffic Collision Warning
system and Rear Cross-Traffic
Collision-Avoidance Assist system
are supplemental systems to assist
you. Do not entirely rely on the
systems. Always pay attention, while
driving, for your safety.
• Rear Cross-Traffic Collision Warning
system and Rear Cross-Traffic
Collision-Avoidance Assist system
are not substitutes for proper and
safe driving. Always drive safely and
use caution when backing up the
vehicle.
System Setting and Activation
System setting
• The driver can activate the systems
by placing the ignition switch to the
ON position and by selecting “User
Settings → Driver Assistance → Parking Safety → Rear Cross-Traffic Safety”. RCCW and RCCA turn on and get
ready to be activated when ‘Rear
Cross-Traffic safety’ is selected.
• When the engine is turned off then on
again, the systems are always ready to
be activated.
• When the system is initially turned
on and when the engine is turned off
then on again, the warning light will
illuminate for 3 seconds on the side
view mirror.
The driver can select the initial warning
activation time in the User Settings in
the LCD display or infotainment system
display by selecting ‘User Settings → Driver Assistance → Warning Timing’.

While Driving
6-122
The options for the initial Rear Cross-
Traffic Collision Warning includes the
following:
-Normal:
When this condition is selected, the
initial Rear Cross-Traffic Collision
Warning is activated normally. If this
setting feels sensitive, change the
option to ‘Late’.
The warning activation time may feel
late if the a vehicle at the side or rear
abruptly accelerates.
-Late:
Select this warning activation time
when the traffic is light and you are
driving at a low speed.
Information
If you change the warning timing, the
warning time of other systems may
change. Always be aware before changing
the warning timing.
The driver can select the warning volume
of Rear Cross-Traffic Collision Warning
by selecting ‘User Settings → Driver Assistance → Warning Volume → High/Medium/Low’.
Information
If you change the warning volume, the
warning volume of other systems may
change. Always be aware before changing
the warning volume.
Operating conditions
To operate:
Go to the “User Settings → Driver Assistance → Parking Safety → Rear Cross-Traffic Safety” on the LCD display or
infotainment system display. The system
will turn on and standby to activate.
The system will activate when vehicle
speed is below 7 mph (10 km/h) and with
the shift button in R (Reverse).

The system will not activate when the vehicle speed exceeds 7 mph (10
km/h). The system will activate again
when the speed is below 5 mph (8
km/h).
The system’s detecting range is
approximately 1 ~ 65 ft (0.5 ~ 20 m). An
approaching vehicle will be detected if
their vehicle speed is within 5 ~ 22.5 mph
(8 ~ 36 km/h).
Note that the detecting range and
operating speed may vary under certain
conditions. As always, use caution and
pay close attention to your surroundings
when backing up your vehicle.

06
6-123
If the vehicle detected by the radar sensors approaches from the rear left/right side of
your vehicle, the warning chime will sound, the warning light on the side view mirror
will blink and a message will appear on the LCD display or infotainment system display.
If the rear view monitor system is in activation, a message will also appear on the
infotainment system screen.
The warning will stop when:
-The detected vehicle moves out of the sensing area or
-when the vehicle is right behind your vehicle or
-when the vehicle is not approaching your vehicle or
-when the other vehicle slows down.
-The vehicle’s approaching speed is decreased.
„„Left
ODN8H069036
„„Left
ODN8069038
„„Right
ODN8H069037
„„Right
ODN8069039
Warning and System Control
Rear Cross-Traffic Collision Warning (RCCW) system

While Driving
6-124
Rear Cross-Traffic Collision-Avoidance Assist (RCCA) system
„„Left
ODN8H069203L
„„Left
ODN8069038
„„Right
ODN8H069204L
„„Right
ODN8069039
If the risk of collision is detected while RCCW is generated, brake is controlled. The
instrument cluster will inform the driver of the brake control. If the rear view monitor
system is in activation, a message will also appear on the infotainment system screen.
After the brake control, the driver must immediately depress the brake pedal and
check the surroundings.
-The brake activation by the system lasts for about 2 seconds.
The driver must pay attention as the brake is disengaged after 2 seconds.
-The brake control by the system is cancelled if the driver depresses the brake pedal
with sufficient power.
-Brake control is activated once for each right/left approach after shifting the shift
button to R (Reverse).
The brake control may not operate properly according to the status of the ESC
(Electronic Stability Control). The same warning message is displayed on the
instrument cluster for this case also.
- When the ESC (Electronic Stability Control) warning light is on.
-When the ESC (Electronic Stability Control) is engaged in a different function.