2020 Hyundai Ioniq Plug-in Hybrid brake sensor

2-67
Safety system of your vehicle
2
In an angled collision, the force of
impact may direct the occupants in a
direction where the air bags would
not be able to provide any additional
benefit, and thus the sensors may
not deploy any air bags.Just before impact, drivers often
brake heavily. Such heavy braking
lowers the front portion of the vehicle
causing it to "ride" under a vehicle
with a higher ground clearance. Air
bags may not inflate in this "under-
ride" situation because deceleration
forces that are detected by sensors
may be significantly reduced by such
"underride" collisions.Front air bags may not inflate in
rollover accidents because air bag
deployment could not provide protec-
tion to the occupants.
However, side and curtain air bags
may inflate when the vehicle is rolled
over by a side impact collision.
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3-136
Convenient features of your vehicle
There is a possibility of Reverse
Parking Distance Warning system
malfunction when:
Driving on uneven road surfaces
such as unpaved roads, gravel,
bumps, or gradient.
Objects generating excessive noise
such as vehicle horns, loud motor-
cycle engines, or truck air brakes
can interfere with the sensor.
Heavy rain or water spray is present.
Wireless transmitters or mobile
phones are present near the sensor.
The sensor is covered with snow.
Any non-factory equipment or
accessories have been installed, or
if the vehicle bumper height or sen-
sor installation has been modified.
Detecting range may decrease
when:
Outside air temperature is extreme-
ly hot or cold.
Undetectable objects smaller than
40 in (100 cm) and narrower than 6
in (14 cm) in diameter.
The following objects may not be
recognized by the sensor:
Sharp or slim objects such as
ropes, chains or small poles.
Objects, which tend to absorb sen-
sor frequency such as clothes,
spongy material or snow. Reverse Parking Distance
Warning system can only sense
objects within the range and
location of the sensors; It can-
not detect objects in other areas
where sensors are not installed.
Also, small or slim objects, such
as poles or objects located
between sensors may not be
detected by the sensors.
Always visually check behind
the vehicle when backing up.
Be sure to inform any drivers of
the vehicle that may be unfamil-
iar with the system regarding
the systems capabilities and
limitations.
NOTICE

3-140
Convenient features of your vehicle
Non-operational conditions of
Forward/Reverse Parking
Distance Warning system
Forward/Reverse Parking Distance
Warning may not operate when:
Moisture is frozen to the sensor. (It
will operate normally when the ice
melts.)
Sensor is covered with foreign mat-
ter, such as snow or water, or the
sensor cover is blocked. (It will
operate normally when the materi-
al is removed or the sensor is no
longer blocked.)
Parking Distance Warning button is
off.
There is a possibility of
Forward/Reverse Parking Distance
Warning system malfunction when:
Driving on uneven road surfaces
such as unpaved roads, gravel,
bumps, or gradient.
Objects generating excessive
noise such as vehicle horns, loud
motorcycle engines, or truck air
brakes can interfere with the sen-
sor.
Heavy rain or water spray is pres-
ent.
Wireless transmitters or mobile
phones present near the sensor.
The sensor is covered with snow
Any non-factory equipment or
accessories have been installed,
or if the vehicle bumper height or
sensor installation has been modi-
fied.
Detecting range may decrease
when:
Outside air temperature is
extremely hot or cold.
The sensor is covered with foreign
matter such as snow or water. (The
sensing range will return to normal
when removed.)
The following objects may not be
recognized by the sensor:
Sharp or slim objects such as
ropes, chains or small poles.
Objects, which tend to absorb sen-
sor frequency such as clothes,
spongy material or snow.
Undetectable objects smaller than
40 in (100 cm) and narrower than
5.5 in (14 cm) in diameter.

Driving your vehicle
5
Before driving.........................................................5-4
Before Entering the Vehicle ...........................................5-4
Before Starting ..................................................................5-4
Engine Start/Stop Button .....................................5-6
Engine Start/Stop Button Positions .............................5-7
Starting the Vehicle ..........................................................5-9
Turning Off the Vehicle .................................................5-11
Dual clutch transmission .....................................5-12
Dual Clutch Transmission Operation ..........................5-12
LCD display for transmission temperature and
warning message.............................................................5-14
Shift Lever Position ........................................................5-16
Parking ...............................................................................5-19
Good Driving Practices .................................................5-20
Paddle shifter .......................................................5-22
Regen B mode..................................................................5-22
Coasting guide .....................................................5-25
Braking system ...................................................5-26
Power Brakes ...................................................................5-26
Disc Brake Wear Indicator ............................................5-27
Parking Brake (foot type) .............................................5-27
Electronic Parking Brake (EPB)...................................5-29
AUTO HOLD ......................................................................5-35
Anti-lock Brake System (ABS) ....................................5-39
Electronic Stability Control (ESC)................................5-41Vehicle Stability Management (VSM).........................5-44
Hill-Start Assist Control (HAC) ....................................5-46
Good Braking Practices ................................................5-46
Forward Collision-Avoidance Assist (FCA)
- Front view camera only ...................................5-47
System setting and activation......................................5-47
FCA Warning Message and Brake Control ...............5-49
FCA sensor (Front view camera) ................................5-52
System malfunction ........................................................5-53
Limitations of the System .............................................5-55
Forward Collision-Avoidance Assist (FCA)
- Sensor fusion ....................................................5-61
System setting and activation......................................5-61
FCA warning message and brake control .................5-63
FCA sensor (Front view camera+ Front radar) .......5-66
System malfunction ........................................................5-68
Limitations of the system .............................................5-70
Lane Keeping Assist (LKA) .................................5-77
LKA operation ..................................................................5-79
Warning light and message ..........................................5-82
Limitations of the System .............................................5-83
LKA system function change .......................................5-85
Blind-spot Collision Warning (BCW) ................5-86
System description .........................................................5-86
System setting and operation ......................................5-87

5-55
Driving your vehicle
Limitations of the System
Forward Collision-Avoidance Assist
system is designed to help monitor
the vehicle ahead in the roadway
through camera recognition to warn
the driver that a collision is imminent,
and if necessary, apply emergency
braking.
In certain situations, the camera may
not be able to detect the vehicle
ahead. In these cases, FCA system
may not operate normally. The driver
must pay careful attention in the fol-
lowing situations where FCA opera-
tion may be limited.
Detecting vehicles
The sensor may be limited when:
The front view camera is blocked
with a foreign object or debris
The front view camera lens is con-
taminated 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 camera
The vehicle is on unpaved or
uneven rough surfaces, or road
with sudden gradient changes.
The camera sensor recognition is
limited
The vehicle in front is too small to
be detected (for example a motor-
cycle or a bicycle, etc.)
The front view camera does not
recognize the entire vehicle in
front.
The vehicle in front is an oversize
vehicle or trailer that is too big to
be detected by the camera recog-
nition system (for example a tractor
trailer, etc.)
5
FCA system does not operate
when the vehicle is in reverse.
FCA system is not designed
to detect other objects on the
road such as animals.
FCA system does not detect
vehicles in the opposite lane.
FCA system does not detect
cross traffic vehicles that are
approaching.
FCA system cannot detect the
driver approaching the side
view of a parked vehicle (for
example on a dead end
street.)
In these cases, you must main-
tain a safe braking distance,
and if necessary, depress the
brake pedal to reduce the driv-
ing speed in order to maintain a
safe distance.
WARNING

5-69
Driving your vehicle
5
FCA is only a supplemental
system for the driver's con-
venience. The driver should
hold the responsibility to con-
trol the vehicle operation. Do
not solely depend on FCA
system. Rather, maintain a
safe braking distance, and, if
necessary, depress the brake
pedal to reduce the driving
speed or to stop the vehicle.
In certain instances and
under certain driving condi-
tions, FCA system may acti-
vate unintentionally. This ini-
tial warning message appears
on the LCD display with a
warning chime.
Also due to sensing limita-
tions, in certain situations, the
front radar sensor or front view
camera recognition system
may not detect the vehicle,
pedestrian or cyclist ahead.
FCA system may not activate
and the warning message may
not be displayed.
(Continued)
(Continued)
Even if there is any problem
with the brake control func-
tion of FCA system, the vehi-
cle's basic braking perform-
ance will operate normally.
However, brake control func-
tion for avoiding collision will
not activate.
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.
FCA system may activate dur-
ing braking and the vehicle
may stop suddenly shifting
loose objects toward the pas-
sengers. Always keep loose
objects secured.
FCA system may not activate
if the driver applies the brake
pedal to avoid collision.
(Continued)WARNING
FCA system does not operate
when the vehicle is in reverse.
FCA system is not designed
to detect other objects on the
road such as animals.
(Continued)
WARNING
(Continued)
If a vehicle in front abruptly
stops, the brake control may
not work possibly causing a
collision.
Occupants may get injured, if
the vehicle abruptly stops by
activated FCA system. Pay
extreme caution.
FCA system operates only
when the system detects vehi-
cles, pedestrian, or cyclist
directly in front of the vehicle.

5-70
Driving your vehicle
Limitations of the system
Forward Collision-Avoidance Assist
system is designed to monitor the
vehicle ahead or a pedestrian or
cyclist in the roadway through front
view camera and radar signals recog-
nition to warn the driver that a colli-
sion is imminent, and if necessary,
apply emergency braking.
In certain situations, the front view
camera or the front radar sensor may
not be able to detect the vehicle,
pedestrian or cyclist ahead. In these
cases, FCA system may not operate
normally. The driver must pay careful
attention in the following situations
where the FCA operation may be lim-
ited.
Detecting vehicles
The sensor may be limited when:
The system may not operate for 15
seconds after the vehicle is started
or the front view camera is initial-
ized
The front view camera or front
radar sensor is covered with a for-
eign object or debris
The front view camera lens is con-
taminated 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 front view camera or
front radar sensor
There is interference by electro-
magnetic waves
There is severe irregular reflection
from the front radar sensor
The front view camera/front radar
sensor recognition is limited
The vehicle in front is too small to
be detected (for example a motor-
cycle etc.) (Continued)
FCA system does not detect
vehicles in the opposite lane.
FCA system does not detect
cross traffic vehicles that are
approaching.
FCA system cannot detect
vehicles that are stopped ver-
tically to your vehicle at a
intersection or dead end
street.
FCA system cannot detect the
cross traffic cyclist that are
approaching.
In these cases, you must main-
tain a safe braking distance,
and if necessary, depress the
brake pedal to reduce the driv-
ing speed in order to maintain a
safe distance or to stop the
vehicle.

5-72
Driving your vehicle
Driving on a curve
The performance of Forward
Collision-Avoidance Assist system
may be limited when driving on a
curved road.
The front view camera or front
radar sensor recognition system
may not detect the vehicle, pedes-
trian or cyclist 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 neces-
sary, depress the brake pedal to
reduce your driving speed in order
to maintain a safe distance.
Forward Collision-Avoidance Assist
system may recognize a vehicle or
pedestrian or cyclist in the next lane
or outside the lane when driving on a
curved road.
If this occurs, the system may unnec-
essarily alarm the driver and apply
the brake.
Always pay attention to road and
driving conditions, while driving.
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