2023 HYUNDAI SONATA warning light

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To resume Smart Cruise Control set speed
If any method other than the cruise
toggle switch was used to cancel
cruising speed and the system is still
activated, the cruising speed will
automatically resume when you push the
toggle switch up (RES+) or down (SET-).
If you push the toggle switch up (RES+),
the speed will resume to the recently set
speed. However, if vehicle speed drops
below 10 km/h (5 mph), it will resume
when there is a vehicle in front of your
vehicle.
Information
Always check the road conditions when you push the toggle switch up (RES+) to
resume speed. To turn Cruise Control off
ODN8069043
• Pushing the CRUISE/
button.
The cruise indicator will go off.
If you wish not to use the cruise
control system, always turn the
system off by pushing the CRUISE/

button.
WARNING
Take the following precautions : • Always set the vehicle speed under
the speed limit in your country.
• If Smart Cruise Control is left on, (
indicator light in the
instrument cluster is illuminated)
Smart Cruise Control can be
activated unintentionally. Keep
Smart Cruise Control system off (
indicator light OFF)
when Smart Cruise Control is not in
use, to avoid inadvertently setting a speed.
• Use Smart Cruise Control system only
when traveling on open highways in
good weather.

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•
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.
LFA Operation
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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.

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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
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 153 km/h (95
mph).
• 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.

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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
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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 ‘Later’.
The warning activation time may feel
late if the a vehicle at the side or rear
abruptly accelerates.
- Later: 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 10 km/h (7 mph) and with
the shift button in R (Reverse). 
The system will not activate when
the vehicle speed exceeds 10 km/h (7
mph). The system will activate again
when the speed is below 8 km/h (5
mph).
The system’s detecting range is
approximately 0.5 ~ 20 m (1 ~ 65 ft). An
approaching vehicle will be detected if
their vehicle speed is within 8 ~ 36 km/h
(5 ~ 22.5 mph).
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.

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Warning and System Control
Rear Cross-Traffic Collision Warning (RCCW) system
„„Left
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„„Right
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„„Left
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„„Right
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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.

While Driving
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Rear Cross-Traffic Collision-Avoidance Assist (RCCA) system
„„Left
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„„Right
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„„Left
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„„Right
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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.

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CAUTION
• When the operation condition of
Rear Cross-Traffic Collision Warning
system is satisfied, the warning
will occur every time a vehicle
approaches the side or rear of your
stopped (0 km/h (0 mph) vehicle
speed) vehicle.
• The system’s warning or brake may
not operate properly if the left or
right of your vehicle’s rear bumper is
blocked by a vehicle or obstacle.
• The driver should always use
extreme caution while operating
the vehicle, whether or not the
warning light on the side view mirror
illuminates or there is a warning alarm.
• Playing the vehicle audio system at
high volume may offset the system’s
warning sounds.
• The warning of Rear Cross-Traffic
Collision Warning System may not
sound while other system’s warning sounds.
• If any other warning sound such as
seat belt warning chime is already
generated, Rear Cross-Traffic
Collision Warning system warning
may not sound. WARNING
• Drive safely even though the vehicle
is equipped with Rear Cross-Traffic
Collision Warning system and Rear
Cross-Traffic Collision-Avoidance
Assist system. Do not solely rely
on the system but check your
surrounding when backing the
vehicle up.
• The driver is responsible for accurate
brake control.
• Always pay extreme caution while
driving. Rear Cross-Traffic Collision
Warning system and Rear Cross-
Traffic Collision-Avoidance Assist
system may not operate properly or
unnecessarily operate in accordance
with your driving situations.
• Rear Cross-Traffic Collision-
Avoidance Assist system is not a
substitute for safe driving practices,
but a convenience function only. It
is the responsibility of the driver to
always drive cautiously to prevent
unexpected and sudden situations
from occurring. Pay attention to the
road conditions at all times.