HYUNDAI SONATA HYBRID 2023 Owners Manual

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6-41
Prerequisite for activation
Forward Collision-Avoidance Assist
gets ready to be activated, when
‘Active Assist’ or ‘Warning Only’ under
Forward Safety is selected in the cluster
LCD display, and when the following
prerequisites are satisfied.
-ESC (Electronic Stability Control) is on.
- Vehicle speed is over 6 mph (10 km/h ).
(FCA is only activated within a certain
speed range.)
- Forward Collision-Avoidance Assist
detects a pedestrian, cyclist or a
vehicle in front, which may collide
with your vehicle. However, Forward
Collision-Avoidance Assist may not be
activated or may only sound a warning
alarm depending on the driving or
vehicle conditions.
Forward Collision-Avoidance Assist may
not operate properly according to the
frontal situation, condition of the vehicle,
the direction of pedestrian or cyclist or
speed. If you select "Warning Only", only
warnings occur.
WARNING
To avoid driver distractions, do not
attempt to set or cancel Forward
Collision-Avoidance Assist while driving
the vehicle. Always completely stop the
vehicle at a safe place before setting or
canceling the function.
Forward Collision-Avoidance Assist
automatically activates upon placing
the ignition switch to the ON position.
The driver can deactivate Forward
Collision-Avoidance Assist by canceling
the system setting on the cluster LCD
display or infotainment system display
(if equipped). Forward Collision-Avoidance Assist
automatically deactivates upon
canceling ESC (Electronic Stability
Control). When ESC is canceled,
Forward Collision-Avoidance Assist
cannot be activated in the LCD display
or infotainment system display (if
equipped). In this situation, the Forward
Collision-Avoidance Assist warning light
will illuminate which is normal.
Forward Collision-Avoidance
Assist Warning Message and
Brake Control
Forward Collision-Avoidance Assist
produces warning messages, warning
alarms, and emergency braking based
on the level of risk of a frontal collision,
such as when a vehicle ahead suddenly
brakes, or the system detects that a
collision with a pedestrian or cyclist is
imminent.
Collision warning (First warning)
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This warning message appears on the
LCD display with a warning chime.
Additionally, some vehicle function
intervention occurs by the engine
management system to help decelerate
the vehicle.

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• Your vehicle speed may decelerate
moderately.
• If Forward Collision-Avoidance Assist
detects a vehicle in front, the function
operates when your vehicle speed
is between 6 mph (10 km/h ) and 112
mph (180 km/h). Maximum vehicle
speed may decrease depending on
the condition of the vehicle ahead and
surroundings.
• If Forward Collision-Avoidance Assist
detects a pedestrian or cyclist in
front, the system operates when
your vehicle speed is between 6
mph (10 km/h ) and 53 mph (85
km/h). Maximum vehicle speed may
decrease depending on the condition
of the pedestrian or cyclist ahead and
surroundings.
• If you select ‘Warning Only’ for the
function setting, Forward Collision-
Avoidance Assist activates and
produces only warning alarms in
accordance with the collision risk
levels. You should control the brake
directly because Forward Collision-
Avoidance Assist will not control the
brake.
Emergency braking (Second
warning)
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This warning message appears on the
LCD display with a warning chime.
Additionally, some vehicle function
intervention occurs by the engine
management system to help decelerate
the vehicle.
• Forward Collision-Avoidance Assist
limitedly controls the brakes to
preemptively mitigate impact in
a collision. The brake control is
maximized just before a collision.
• If Forward Collision-Avoidance Assist
detects a vehicle in front, the function
operates when your vehicle speed is
above 6 mph (10 km/h ) and 47 mph
(75 km/h) or under. Maximum vehicle
speed may decrease depending on
the condition of the vehicle ahead and
surroundings.
• If Forward Collision-Avoidance Assist
detects a pedestrian or cyclist in
front, the system operates when your
vehicle speed is between 6 mph (10
km/h) or above and under 40 mph (65
km/h). Maximum vehicle speed may
decrease depending on the condition
of the pedestrian or cyclist ahead or
surroundings.
• If you select ‘Warning Only’ for the
function setting, Forward Collision-
Avoidance Assist activates and
produces only warning alarms in
accordance with the collision risk
levels. You should control the brake
directly because Forward Collision-
Avoidance Assist will not control the
brake.

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Brake operation
• In an urgent situation, the braking
system enters into the ready status for
prompt reaction against the driver’s
depressing the brake pedal.
• Forward Collision-Avoidance Assist
provides additional braking power for
optimum braking performance, when
the driver depresses the brake pedal.
• The braking control is automatically
deactivated, when the driver sharply
depresses the accelerator pedal, or
when the driver abruptly operates the
steering wheel.
• Forward Collision-Avoidance Assist
brake control is automatically
canceled, when risk factors disappear.
CAUTION
• The driver should always use
extreme caution while operating
the vehicle, whether or not there is
a warning message or alarm from
Forward Collision-Avoidance Assist.
• After the brake control is activated,
the driver must immediately depress
the brake pedal and check the
surroundings. The brake activation
by the function lasts for about 2
seconds.
• If any other warning sound such as
seat belt warning chime is already
generated, Forward Collision-
Avoidance Assist warning may not
sound.
• Playing the vehicle audio system at
high volume may prevent occupants
from hearing the function warning
sounds.
WARNING
The braking control cannot completely
stop the vehicle nor avoid all
collisions. The driver should hold the
responsibility to safely drive and control
the vehicle.
WARNING
The Forward Collision-Avoidance
Assist logic operates within certain
parameters, such as the distance from
the vehicle, pedestrian or cyclist ahead,
the speed of the vehicle ahead, and
the driver’s vehicle speed. Certain
conditions such as inclement weather
and road conditions may affect the
operation of Forward Collision-
Avoidance Assist.
WARNING
Never deliberately drive dangerously to
activate Forward Collision-Avoidance
Assist.
Information
Exceptional operation of the braking assist
function
• The vehicle drives on a slope or curve.
• The vehicle drives by a pedestrian or
cyclist at the crossroads, traffic signals
or structure.
• The vehicle drives through a tunnel or
near a railroad.
• The vehicle drives where steam, smoke
or shadow is on the road.
• The vehicle drives on a road with a row
of trees or street lamps along the edge.
• There is interference by
electromagnetic waves or electric noise.

While Driving
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Detecting sensor

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NOTICE
NEVER install any accessories or
stickers on the front windshield, or tint
the front windshield.
NEVER place any reflective objects (for
example, white paper, mirror) over the
dashboard. Any light reflection may
prevent Forward Collision-Avoidance
Assist from functioning properly.
Pay extreme caution to keep the camera
dry.
NEVER disassemble the camera
assembly, or apply any impact on the
camera assembly.
Information
Have the vehicle inspected by an
authorized HYUNDAI dealer when:
• The windshield glass is replaced.
• The radar sensor or cover gets
damaged or replaced.
Warning message and warning light
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Forward Collision-Avoidance Assist (FCA)
system disabled. Camera obscured / Radar
blocked
When the sensor cover is blocked with
dirt, snow, or debris, Forward Collision-
Avoidance Assist may not detect other
vehicles. If this occurs, a warning
message will appear on the LCD display.
Forward Collision-Avoidance Assist will
operate normally when such dirt, snow
or debris is removed.
Forward Collision-Avoidance Assist
may not properly operate in an area
(for example, open terrain), where any
substances are not detected after turning
ON the vehicle.
Also, even though a warning message
does not appear on the LCD display,
Forward Collision-Avoidance Assist may
not properly operate.
WARNING
Forward Collision-Avoidance Assist
may not activate according to the road
conditions, inclement weather, driving
conditions or traffic conditions.

While Driving
6-46
Forward Collision-Avoidance
Assist Malfunction

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• If the vehicle in front stops suddenly,
you may have less control of the
brake system. Therefore, always keep
a safe distance between your vehicle
and the vehicle in front of you.
• Forward Collision-Avoidance Assist
may activate during braking and the
vehicle may stop suddenly shifting
loose objects toward the passengers.
Always keep loose objects secured
and fasten the seat belt.
• Forward Collision-Avoidance Assist
may not activate if the driver applies
the brake pedal to avoid collision.
• The brake control may be
insufficient, possibly causing a
collision, if a vehicle in front abruptly
stops. Always pay extreme caution.
• Occupants may get injured, if
the vehicle abruptly stops by
the activated Forward Collision-
Avoidance Assist. Pay extreme
caution.
• Forward Collision-Avoidance Assist
system operates only when the
function detect vehicles, pedestrian
or cyclist in front of the vehicle.
• Forward Collision-Avoidance
Assist may not activate according
to road conditions, inclement
weather, driving conditions or traffic
conditions.
• Forward Collision-Avoidance Assist
may not work for all vehicles,
passengers or cyclists.
WARNING
• Forward Collision-Avoidance Assist
does not operate when the vehicle is
in reverse.
• Forward Collision-Avoidance Assist is
not designed to detect other objects
on the road such as animals.
• Forward Collision-Avoidance Assist
does not detect vehicles in the
opposite lane.
• Forward Collision-Avoidance Assist
does not detect cross traffic vehicles
that are approaching.
• Forward Collision-Avoidance Assist
cannot detect vehicles that are
stopped vertically to your vehicle at a
intersection or dead end street.
• Forward Collision-Avoidance Assist
cannot detect the cross traffic cyclist
that are approaching.
In these cases, you must maintain a
safe braking distance, and if necessary,
depress the brake pedal to reduce the
driving speed in order to maintain a
safe distance or to stop the vehicle.

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Limitations of Forward Collision-
Avoidance Assist
Forward Collision avoidance assist is
designed to monitor the vehicle ahead
or a pedestrian or cyclist in the roadway
through radar signals and camera
recognition to warn the driver that a
collision is imminent, and if necessary,
apply emergency braking.
In certain situations, the radar sensor or
the camera may not be able to detect
the vehicle, pedestrian or cyclist ahead.
In these cases, Forward Collision-
Avoidance Assist may not operate
normally. The driver must pay careful
attention in the following situations
where Forward Collision-Avoidance
Assist operation may be limited.
Detecting vehicle, pedestrian and
cyclist
The sensor may be limited when:
• Forward Collision-Avoidance Assist
may not operate for 15 seconds after
the vehicle is started or the camera is
initialized
• The radar sensor or camera is covered
with a foreign object or debris
• The camera lens is contaminated due
to tinted, filmed or coated windshield,
damaged glass, or stuck of foreign
matter (sticker, bug, etc.) on the glass
• Inclement weather such as heavy rain
or snow obscures the field of view of
the radar sensor or camera
• There is interference by
electromagnetic waves
• There is severe irregular reflection
from the radar sensor
• The radar/camera sensor recognition
is limited
• The vehicle in front is too small to be
detected (for example a motorcycle
etc.)
• The vehicle in front is an oversize
vehicle or trailer that is too big to be
detected by the camera recognition
function (for example a tractor trailer,
etc.)
• The camera’s field of view is not well
illuminated (either too dark or too
much reflection or too much backlight
that obscures the field of view)
• The vehicle in front does not have
their rear lights or their rear lights
does not turned ON or their rear lights
are located unusually
• The outside brightness changes
suddenly, for example when entering
or exiting a tunnel
• 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 or head light of oncoming
vehicle
• The windshield glass is fogged up; a
clear view of the road is obstructed
• The vehicle in front is driving
erratically
• The vehicle is on unpaved or uneven
rough surfaces, or road with sudden
gradient changes

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• The vehicle is driven near areas
containing metal substances as a
construction zone, railroad, etc.
• The vehicle drives inside a building,
such as a basement parking lot
• The camera does not recognize the
entire vehicle in front
• The camera is damaged
• The brightness outside is too low such
as when the headlights are not on at
night or the vehicle is going through
a tunnel
• The shadow is on the road by a
median strip, trees, etc.
• The vehicle drives through a tollgate
• The windshield glass is fogged up; a
clear view of the road is obstructed
• The rear part of the vehicle in front is
not normally visible (the vehicle turns
in other direction or the vehicle is
overturned.)
• The adverse road conditions cause
excessive vehicle vibrations while
driving
• The sensor recognition changes
suddenly when passing over a speed
bump
• The vehicle in front is moving
vertically to the driving direction
• The vehicle in front is stopped
vertically
• The vehicle in front is driving towards
your vehicle or reversing
• You are on a roundabout and the
vehicle in front circles
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• Driving on a curved road
The performance of Forward Collision-
Avoidance Assist may be limited
when driving on a curved road.
The front view camera or radar sensor
recognition function may not detect
the vehicle traveling in front on a
curved road. This may result in no
alarm and braking when necessary.
Always pay attention to road and
driving conditions, and if necessary,
depress the brake pedal to reduce
your driving speed in order to
maintain a safe distance.

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6-50
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Forward Collision-Avoidance Assist
may recognize a vehicle in the next
lane or outside the lane when driving
on a curved road.
If this occurs, Forward Collision-
Avoidance Assist may unnecessarily
alarm the driver and apply the brake.
Always pay attention to road and
driving conditions, while driving.
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• Driving on an inclined road
The performance of Forward Collision-
Avoidance Assist may be decreased
while driving upward or downward on
a slope.
The front view camera or front radar
sensor recognition may not detect the
vehicle in front.
This may result in unnecessary alarm
and braking or no alarm and braking
when necessary.
When Forward Collision-Avoidance
Assist suddenly recognizes the
vehicle in front while passing over
a slope, you may experience sharp
deceleration.
Always keep your eyes forward while
driving upward or downward on a
slope, and, if necessary, depress the
brake pedal to reduce your driving
speed in order to maintain distance.