2020 Hyundai Sonata Speed Sensor B

06
6-61
LKA Operation
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To activate/deactivate LKA system:
With the ignition switch in the ON
position, press LKA system button
located on the instrument panel on the
left hand side of the steering wheel.
The
indicator in the cluster
display will initially illuminate white. This
indicates LKA system is in the READY but
NOT ENABLED state.
Note that the vehicle speed
must be at least approximately
40 mph (64 km/h) to ENABLE
LKA system. The indicator in the
cluster display will illuminate
green.
- White: Sensor does not detect lane markers or vehicle speed is under 40
mph (64 km/h).
- Green: Sensor detects lane markers and the system is able to control
vehicle steering.
Information
If the indicator (white) is activated from
the previous ignition cycle, the system will
turn ON without any additional control.
If you press the LKA button again, the
indicator on the cluster goes off.
LKA System Function Change
The driver can change LKA to
Lane Departure Warning or Lane
Keeping Assist from the LCD display
or infotainment system display(if
equipped). Go to the ‘User Settings →
Driver Assistance → Lane Safety → Lane
Keeping Assist/Lane Departure Warning/
Off'. The system is automatically set to
Lane Keeping Assist if a function is not
changed.
Lane Keeping Assist
The LKA mode guides the driver to help
keep the vehicle within the lanes. It
rarely controls the steering 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.
Lane Departure Warning
LDW alerts the driver with a visual
warning and a warning alarm when the
system detects the vehicle departing
the lane. The steering wheel will not be
controlled.
LKA system operation
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To see LKA screen on the LCD display in
the cluster, select Driving Assist mode
(
). For more information, refer to “LCD
Display Modes” section in chapter 4.

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System Description
Blind-Spot Collision Warning
Blind-Spot Collision Warning system
uses rear corner radar sensors to monitor
and warn the driver of an approaching
vehicle in the driver’s blind spot area.
(1) Blind-spot vehicle warning
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BCW system detects and warns vehicles
in blind-spot.
The blind spot detection range varies
relative to vehicle speed.
Note that if your vehicle is traveling
much faster than the vehicles around
you, the warning will not occur.(2) Fast approach vehicle warning
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BCW system will alert you when a vehicle
is detected approaching in an adjacent
lane at a high rate of speed. If the driver
activates the turn signal when the system
detects an oncoming vehicle, the system
sounds an audible alert.
Blind-Spot Collision-Avoidance
Assist
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Blind-Spot Collision-Avoidance Assist
system detects the front lane through the
front view camera installed on the upper
front windshield and detects the side/
rear areas through rear corner radars.
BLIND-SPOT COLLISION WARNING (BCW) / BLIND-SPOT
COLLISION-AVOIDANCE ASSIST (BCA) (IF EQUIPPED)

While Driving6-76
• While going down or up a steep road where the height of the lane is
different.
• Driving on a narrow road where trees or grass or overgrown.
• Driving in rural areas where the sensor does not detect another vehicle or
structure for an extended period of
time.
• Driving on a wet road.
• Driving on a road where the guardrail or wall is in double structure.
• A big vehicle is near such as a bus or truck.
• When the other vehicle approaches very close.
• When the other vehicle passes at a very fast speed.
• While changing lanes.
• If the vehicle has started at the same time as the vehicle next to you and
has accelerated.
• When the vehicle in the next lane moves two lanes away from you OR
when the vehicle two lanes away
moves to the next lane from you.
• A motorcycle or bicycle is near.
• A flat trailer is near.
• If there are small objects in the detecting area such as a shopping
cart or a baby stroller. • If there is a low height vehicle such as
a sports car.
• The brake pedal is depressed.
• ESC (Electronic Stability Control) is activated.
• ESC (Electronic Stability Control) malfunctions.
• The tire pressure is low or a tire is damaged.
• The brake is reworked.
• The vehicle abruptly changes driving direction.
• The vehicle makes sharp lane changes.
• The vehicle sharply stops.
• Temperature is extremely low around the vehicle.
• The vehicle severely vibrates while driving over a bumpy road, uneven/
bumpy road, or concrete patch.
• The vehicle drives on a slippery surface due to snow, water puddle,
or ice.
• Lane Keeping Assist does not operate normally. (if equipped)
• For more information, refer to “Lane Keeping Assist (LKA)” in this chapter.

While Driving6-92
To temporarily accelerate with
Smart Cruise Control on
If you want to speed up temporarily
when Smart Cruise Control is on, depress
the accelerator pedal. Increased speed
will not interfere with Smart Cruise
Control operation or change the set
speed.
To return to the set speed, take your foot
off the accelerator pedal.
If you push the toggle switch down
(SET-) at increased speed, the set speed
is updated.
Information
Be careful when accelerating temporarily,
because the speed is not controlled
automatically at this time even if there is a
vehicle in front of you.
Smart Cruise Control will be
temporarily canceled when:
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Cancelled manually
• Depressing the brake pedal.
• Pushing the CANCEL (CNCL) button located on the steering wheel.
Smart Cruise Control turns off
temporarily when the Set Speed and
Vehicle-to-Vehicle Distance indicator on
the LCD display turns off.
The cruise indicator (
) is illuminated
continuously.
Cancelled automatically
• The driver’s door is opened.
• The vehicle is shifted to N (Neutral), R (Reverse) or P (Park).
• The parking brake is applied.
• The vehicle speed is over 120 mph (190 km/h).
• The ESC (Electronic Stability Control), TCS (Traction Control System) or ABS
is operating.
• The ESC is turned off.
• The sensor or the cover is dirty or blocked with foreign matter.
• The vehicle is stopped for a certain period of time.

While Driving6-100
Warning message
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Smart Cruise Control disabled.
Radar blocked
When the sensor lens cover is blocked
with dirt, sno
w, or debris, Smart Cruise
Control system operation may stop
temporarily. If this occurs, a warning
message will appear on the cluster LCD
display. Remove any dirt, snow, or debris
and clean the radar sensor lens cover
before operating Smart Cruise Control
system. Smart Cruise Control system
may not properly activate, if the radar is
totally covered, or if any substance is not
detected after turning on the engine
(e.g. in an open terrain).
Information
For the SCC operation is temporarily
stopped if the radar is blocked, but you
wish to use cruise control mode (speed
control function), you must convert to the
cruise control mode (refer to "To convert
to Cruise Control mode" in the following
page.
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Check Smart Cruise Control System
The message will appear when the
v
ehicle to vehicle distance control
system is not functioning normally.
Have the vehicle inspected by an
authorized HYUNDAI dealer.

While Driving6-102
Lane changing
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• A vehicle which moves into your lane from an adjacent lane cannot be
recognized by the sensor until it is in
the sensor's detection range.
• The radar may not detect immediately when a vehicle cuts in suddenly.
Always pay attention to the traffic,
road and driving conditions.
• If a slower vehicle moves into your lane, your speed may decrease to
maintain the distance to the vehicle
ahead.
• If a faster vehicle which moves into your lane, your vehicle will accelerate
to the set speed.
Vehicle recognition
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• Some vehicles in your lane cannot be recognized by the sensor:
- Narrow vehicles such as motorcycles or bicycles
- Vehicles offset to one side
- Slow-moving vehicles or sudden- decelerating vehicles
- Stopped vehicles
- Vehicles with small rear profile such as trailers with no loads
• A vehicle ahead cannot be recognized correctly by the sensor if any of
following occurs:
- When the vehicle is pointing upwards due to overloading in the
luggage compartment
- While the steering wheel is operating
- When driving to one side of the lane
- When driving on narrow lanes or on curves
Apply the brake or accelerator pedal if
necessary.

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 Driving6-124
Warning and System Control
Rear Cross-Traffic Collision Warning (RCCW) system
LeftLeft
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RightRight
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LeftLeft
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RightRight
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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.