brake sensor HYUNDAI IONIQ ELECTRIC 2022 Owners Manual

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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Driving your vehicle
Before driving .......................................................5-3Before Entering the Vehicle ...........................................5-3
Before Starting ..................................................................5-3
Power button ..........................................................5-5 POWER Button Positions.................................................5-6
Starting the Vehicle ..........................................................5-8
Turning Off the Vehicle ...................................................5-9
Reduction gear .....................................................5-10 Reduction Gear Operation ............................................5-10
Parking ...............................................................................5-12
LCD Display Messages ...................................................5-12
Good Driving Practices ..................................................5-15
Paddle shifter (regenerative braking control) ... 5-16
One Pedal Driving ...........................................................5-17
Smart regeneration system with
smart cruise control system...............................5-18 System Setting .................................................................5-18
Activating the Smart Regeneration System .............5-18
Cancelling the Smart Regeneration System .............5-19
Resuming the Smart Regeneration System ..............5-20
Disabling the Smart Regeneration System ...............5-20
Vehicle-to-Vehicle Front Recognition
- Front Radar Sensor ....................................................5-20 Warning Message............................................................5-21
Limitations of the System .............................................5-21 Braking system ...................................................5-25
Power Brakes ...................................................................5-25
Disc Brake Wear Indicator ............................................5-26
Electronic Parking Brake (EPB)...................................5-26
Auto Hold ..........................................................................5-31
Anti-lock Brake System (ABS) ....................................5-35
Electronic Stability Control (ESC)................................5-37
Vehicle Stability Management (VSM).........................5-41
Hill-Start Assist Control (HAC) ....................................5-42
Good Braking Practices ................................................5-43
Drive Mode Integrated Control System ...........5-44 Drive mode ........................................................................5-44
Initial setting for each Drive Mode ............................5-44
Forward Collision-Avoidance assist (FCA) .....5-45 System setting and activation......................................5-45
FCA warning message and brake control .................5-47
FCA sensor (Front view camera+ Front radar) .......5-50
System malfunction ........................................................5-52
Limitations of the system .............................................5-54
Lane Keeping Assist (LKA) .................................5-61 LKA operation ..................................................................5-63
Warning light and message ..........................................5-66
Limitations of the System .............................................5-67
LKA system function change .......................................5-69
5

5-20
Resuming the Smart
Regeneration System
To re-activate the Smart
Regeneration System while driving,
pull and hold the right side paddle
shifter for more than 1 second again.
Note that the "AUTO" indicator in the
LCD display turns back on, signaling
that the Smart Regeneration System
is enabled again.
Disabling the Smart
Regeneration System
To turn off the system, shift to P (Park) and deselect 'User Settings
Convenience Smart Regeneration'
on the User Settings mode.
Vehicle-to-Vehicle Front
Recognition - Front RadarSensor
In order for the Smart Regeneration
System to operate properly, always
make sure the radar sensor cover is
clean and free of dirt, snow, and
debris. Dirt, snow, or foreign sub-
stances on the lens may adversely
affect the sensing performance of
the sensor. In this case, the system
operation may stop temporarily and
not operate normally.
Driving your vehicle

Do not apply license plate
frame or foreign objects such
as a bumper sticker or a
bumper guard near the radar
sensor. Doing so may adverse-
ly affect the sensing perform-
ance of the radar.
Always keep the radar sensor
and lens cover clean and free
of dirt and debris.
Use only a soft cloth to wash
the vehicle. Do not spray pres-
surized water directly on the
sensor or sensor cover.
Be careful not to apply unnec-
essary force on the radar sen-
sor or sensor cover. If the sen-
sor is forcibly moved out of
proper alignment, the Smart
Regeneration System may not
operate correctly. In this case,
a warning message may not
be displayed. Have the vehicle
inspected by an authorized
HYUNDAI dealer.
If the front bumper becomes
damaged in the area around
the radar sensor, the Smart
Regeneration System may not
operate properly. Have the
vehicle inspected by an
authorized HYUNDAI dealer.
Use only genuine HYUNDAI
parts to repair or replace a
damaged sensor or sensor
cover. Do not apply paint to
the sensor cover.
CAUTION
When the Smart Regeneration System is cancelled automati-
cally, adjust the vehicle speed
directly by depressing theaccelerator or brake pedal
according to the road conditionahead and driving condition.
WARNING

5-21
Driving your vehicle
Warning Message
Check Smart Regeneration System
The message will appear when the
system is not functioning normally.
The system will be disabled and the
"AUTO" indicator in the LCD display
will be turned off. Check for foreign
substances on the front radar.
Remove any dirt, snow, or foreign
material that could interfere with the
radar sensors. If the system still does
not operate normally, take your vehi-
cle to an authorized HYUNDAI deal-
er and have the system checked.
Limitations of the System
The Smart Regeneration System
may not operate properly in certain
situations when the driving condition
is beyond the performance of the
front radar sensor.
Driver's attention is required in such cases when the system does not
react properly or operate uninten-
tionally.
On curves
When coasting on the curve, the sys-
tem may not detect the vehicle in
your lane and the regenerative brak-
ing level will reduce automatically,
making you feel that the vehicle is
accelerating.
Also, if the system suddenly recog-
nizes the vehicle in front, the regen-
erative braking level will increase
automatically, making you feel that
the vehicle is decelerating.
The driver must maintain a safe brak-
ing distance, and if necessary,
depress the brake pedal to reduce
your driving speed in order to main-
tain a safe distance.5
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5-22
Your vehicle speed can be reduced
due to a vehicle in the adjacent lane.
Apply the accelerator pedal and
select the appropriate speed. Checkto be sure that the road conditions
permit safe operation of the Smart
Regeneration System.
On inclines
When coasting on an uphill or down-
hill, the system may not detect the
vehicle in your lane and the regener-
ative braking level will reduce auto-
matically, making you feel that the
vehicle is accelerating.
Also, if the system suddenly recog-
nizes the vehicle in front, the regen-
erative braking level will increase
automatically, making you feel that
the vehicle is decelerating.
The driver must maintain a safe brak-
ing distance, and if necessary,
depress the brake pedal to reduce
your driving speed in order to main-
tain a safe distance.
Lane changing
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 immedi- ately when a vehicle cuts in sud-
denly. Always pay attention to the
traffic, road and driving conditions.
Driving your vehicle
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5-23
Driving your vehicle
Vehicle recognition
Some vehicles in your lane cannot
be recognized by the sensor:
- Narrow vehicles such as motorcy-cles or bicycles
- Vehicles offset to one side
- Slow-moving vehicles or sudden- decelerating vehicles
- Stopped vehicles (When the vehi- cle ahead drives away, the system
may not detect a stopped vehicle.)
- Vehicles with small rear profile such as trailers with no loads A vehicle ahead cannot be recog-
nized 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 operat- ing
- When driving to one side of the lane
- When driving on narrow lanes or on curves
Apply the brake or accelerator pedal
if necessary.5
OAD058173N When using the Smart
Regeneration System take the
following precautions:
If an emergency stop is nec-
essary, you must apply thebrakes.
Keep a safe distance accord-
ing to road conditions and
vehicle speed. If the vehicle-
to-vehicle distance is too
close and the brakes are sud-
denly applied, a serious colli-
sion may result.
Always maintain sufficient braking distance and deceler-
ate your vehicle by applying
the brakes if necessary.
The Smart Regeneration
System cannot recognize a
stopped vehicle, pedestrians
or an oncoming vehicle.
Always look ahead cautiously
to prevent unexpected and
sudden situations from occur-ring.
WARNING

5-53
Driving your vehicle
5
FCA is only a supplemental
system for the driver's con-
venience. The driver shouldhold 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 brakepedal 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 viewcamera 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 looseobjects secured.
FCA system may not activate if the driver applies the brake
pedal to avoid collision.
(Continued)
WARNING (Continued)
If a vehicle in front abruptly
stops, the brake control may
not work possibly causing acollision.
Occupants may get injured, if
the vehicle abruptly stops by
the 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.

5-54
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 15seconds 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 orcoated 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.)
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
vehicles that are stopped ver-
tically to your vehicle at a
intersection or dead endstreet.
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 thebrake pedal to reduce the driv-
ing speed in order to maintain a
safe distance or to stop the
vehicle.
WARNING

5-56
Driving your vehicle
Driving on a curveThe 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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5-57
Driving your vehicle
5
Driving on a slopeThe performance of Forward
Collision-Avoidance Assist system
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, pedestrian orcyclist in front.
This may result in unnecessary
alarm and braking or no alarm and
braking when necessary. When the system suddenly recog-
nizes the vehicle, pedestrian or
cyclist 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.
Changing lanesWhen a vehicle changes lanes in
front of you, Forward Collision-
Avoidance Assist system may not
immediately detect the vehicle,
especially if the vehicle changes
lanes abruptly. In this case, you
must maintain a safe braking dis-
tance, and if necessary, depress
the brake pedal to reduce your
driving speed in order to maintain a
safe distance.
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