2018 Hyundai Elantra GT brake sensor

2-65
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.
OTL035069OPD036057OTL035068

Driving your vehicle
5
Before Driving ........................................................5-4
Before Entering the Vehicle ...........................................5-4
Before Starting ..................................................................5-4
Ignition Switch ........................................................5-6
Key Ignition Switch ...........................................................5-6
Engine Start/Stop Button................................................5-9
Manual Transmission ...........................................5-16
Manual Transmission Operation ..................................5-16
Good Driving Practices ..................................................5-18
Automatic Transmission ......................................5-19
Automatic Transmission Operation .............................5-19
Good Driving Practices ..................................................5-23
Dual Clutch Transmission ....................................5-25
Dual Clutch Transmission Operation ..........................5-25
Good Driving Practices ..................................................5-33
Braking System ....................................................5-35
Power Brakes ...................................................................5-35
Disc Brakes Wear Indicator ..........................................5-36
Parking Brake (Hand type) ...........................................5-36
Electronic Parking Brake (EPB)...................................5-38
Auto Hold ........................................................................\
..5-43
Anti-lock Brake System (ABS) ....................................5-47Electronic Stability Control (ESC)................................5-48
Vehicle Stability Management (VSM).........................5-51
Hill-Start Assist Control (HAC) ....................................5-53
Good Braking Practices .................................................5-53
Drive Mode Integrated Control System ............5-54
Blind Spot Detection System (BSD) ..................5-55
BSD (Blind Spot Detection) /
LCA (Lane Change Assist) .............................................5-56
RCTA (Rear Cross Traffic Alert) ..................................5-59
Limitations of the System .............................................5-61
Automatic Emergency Braking (AEB) ...............5-62
System Setting and Activation.....................................5-62
AEB Warning Message and System Control ............5-64
AEB Front Radar Sensor ...............................................5-66
System Malfunction .......................................................5-68
Limitations of the System .............................................5-69
Lane Keeping Assist System (LKAS) .................5-74
LKAS Operation ...............................................................5-75
Warning Light and Message.........................................5-79
Limitations of the System .............................................5-80
LKAS Function Change ..................................................5-81

5-68
Driving your vehicle
System Malfunction
Check AEB system
When the AEB is not working prop-erly, the AEB warning light ( )
will illuminate and the warning
message will appear for a few sec-
onds. After the message disap-
pears, the master warning light
( ) will illuminate. In this case,
have the vehicle inspected by an
authorized HYUNDAI dealer.
The AEB warning message may appear along with the illumination
of the ESC (Electronic Stability
Control) warning light.
The AEB is only a supplemen-
tal system for the driver’s con-
venience. The driver should
hold the responsibility to con-
trol the vehicle operation. Do
not solely depend on the AEB
system. Rather, maintain a
safe braking distance, and, if
necessary, depress the brake
pedal to reduce the driving
speed.
In certain instances and
under certain driving condi-
tions, the AEB system may
activate prematurely. This ini-
tial warning message appears
on the LCD display with a
warning chime.
Also, in certain instances the
front radar sensor or camera
recognition system may not
detect the vehicle or pedestri-
an ahead. The AEB system
may not activate and the
warning message will not be
displayed.
(Continued)
WARNING ■ Type A■Type B
OTLE055071/OAE056038L
(Continued)
If there is a malfunction with
the AEB system, the automat-
ic emergency braking is not
applied even though the brak-
ing system is operating nor-
mally.
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.
The AEB system may activate
during braking and the vehi-
cle may stop suddenly shift-
ing loose objects toward the
passengers. Always keep
loose objects secured.
The AEB system may not acti-
vate if the driver applies the
brake pedal to avoid a colli-
sion.
The brake control may be
insufficient, possibly causing
a collision, if a vehicle in front
abruptly stops. Always pay
extreme caution.
(Continued)

5-70
Driving your vehicle
Detecting vehicles
The sensor may be limited when:
The radar sensor or camera isblocked with a foreign object or
debris
Inclement weather such as heavy rain or snow obscures the field of
view of the radar sensor or camera
There is interference by electro- magnetic waves
There is severe irregular reflection from the radar sensor
The radar/camera sensor recogni- tion is limited
The vehicle in front is too small to be detected (for example a motor-
cycle or a bicycle, etc.)
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.)
The driver's field of view is not well illuminated (either too dark or too
much reflection or too much back-
light that obscures the field of view)
The vehicle in front does not have their rear lights properly turned ON The outside brightness changes
suddenly, for example when enter-
ing or exiting a tunnel
Light coming from a street light or an oncoming vehicle is reflected on
a wet road surface such as a pud-
dle in the road
The field of view in front is obstructed by sun glare
The windshield glass is fogged up; a clear view of the road is obstruct-
ed
The vehicle in front is driving errat- ically
The vehicle drives through a con- struction area, on an unpaved
road, or above metal materials,
such as a railway
The vehicle drives inside a building, such as a basement parking lot
The adverse road conditions cause excessive vehicle vibrations while
driving
The vehicle in front is moving verti- cally to the driving direction
The vehicle in front is stopped ver- tically
The vehicle in front is driving towards your vehicle or reversing - Driving on a curve
The performance of the AEB system
may be limited when driving on a
curved road.
In certain instances on a curved
road, the AEB system may activate
prematurely.
Also, in certain instances the front
radar sensor or camera recognition
system may not detect the vehicle
traveling on a curved road.
In these cases, the driver must main-
tain a safe braking distance, and if
necessary, depress the brake pedal
to reduce your driving speed in order
to maintain a safe distance.
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5-72
Driving your vehicle
When driving in stop-and-go traffic,
and a stopped vehicle in front of you
merges out of the lane, the AEB sys-
tem may not immediately detect the
new vehicle that is now in front of
you. In this case, you must maintain
a safe braking distance, and if nec-
essary, depress the brake pedal to
reduce your driving speed in order to
maintain a safe distance. - Detecting the vehicle in front of you
If the vehicle in front of you has cargo
that extends rearward from the cab,
or when the vehicle in front of you
has higher ground clearance, addi-
tional special attention is required.
The AEB system may not be able to
detect the cargo extending from the
vehicle. In these instances, you must
maintain a safe braking distance
from the rearmost object, and if nec-
essary, depress the brake pedal to
reduce your driving speed in order to
maintain distance.
Detecting pedestrians
(if equipped)
The sensor may be limited when:
The pedestrian is not fully detected
by the camera recognition system,
for example, if the pedestrian is
leaning over or is not fully walking
upright
The pedestrian is moving very quickly or appears abruptly in the
camera detection area
The pedestrian is wearing clothing that easily blends into the back-
ground, making it difficult to be
detected by the camera recogni-
tion system
The outside lighting is too bright (e.g. when driving in bright sunlight
or in sun glare) or too dark (e.g.
when driving on a dark rural road
at night)
It is difficult to detect and distin- guish the pedestrian from other
objects in the surroundings, for
example, when there is a group of
pedestrians or a large crowd
There is an item similar to a per- son's body structure
OAE056109OPD056040

5-94
Driving your vehicle
To temporarily accelerate withthe Smart Cruise Control on
If you want to speed up temporarily
when the 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 cruis-
ing speed will be set again pedal.
Information
Be careful when accelerating tem-
porarily, because the speed is not con-
trolled automatically at this time even
if there is a vehicle in front of you.
Smart Cruise Control set speedwill be temporarily canceledwhen:
Canceled manually
Depressing the brake pedal.
Pressing the CANCEL button
located on the steering wheel.
The 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.
Canceled automatically
The driver's door is opened.
The vehicle is shifted to N (Neutral), R (Reverse) or P (Park).
The EPB (Electronic Parking Brake) is applied.
The vehicle speed is over 120 mph (190 km/h).
The vehicle stops on a steep incline.
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.
The vehicle stops and goes repeat- edly for a long period of time.
The accelerator pedal is continuous- ly depressed for a long period of
time.
mal.
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5-103
Driving your vehicle
5
On inclines
During uphill or downhill driving,the Smart Cruise Control System
may not detect a moving vehicle in
your lane, and cause your vehicle
to accelerate to the set speed.
Also, the vehicle speed will rapidly
decrease when the vehicle ahead
is recognized suddenly.
Select the appropriate set speed on inclines and apply the brake or
accelerator pedal if necessary.
Lane changing
A vehicle which moves into yourlane 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.
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 acceler-
ate to the set speed.
Detecting vehicles
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
- Vehicles with small rear profile such as trailers with no loads
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5-104
Driving your vehicle
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. Your vehicle may accelerate when
a vehicle ahead of you disappears.
When you are warned that the vehicle ahead of you is not detect-
ed, drive with caution. When driving in stop-and-go traffic,
and a stopped vehicle in front of
you merges out of the lane, the
system may not immediately
detect the new vehicle that is now
in front of you. 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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