lane KIA NIRO HYBRID EV 2021 Service Manual

5121
Driving your vehicle
If a vehicle which moves into your
lane is faster than your vehicle,
your vehicle will accelerate to the
selected speed.
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.Vehicle recognition
Some vehicles ahead in your lane
cannot be recognized by the sensor
as follows:
- 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 profiles
such as trailers with no loads
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Driving your vehicle
122 5
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
liftgate (tailgate)
- While making turns by steering
- When driving to one side of the lane
- When driving on narrow lanes or on
curves
Adjust your vehicle speed by
depressing the brake pedal accord-
ing to the road condition ahead and
driving condition. When vehicles are at a standstill
and the vehicle in front of you
changes to the next lane, be care-
ful when your vehicle starts to
move because it may not recognize
the stopped vehicle 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. Always look out for pedestrians
when your vehicle is maintaining a
distance with the vehicle ahead.
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5123
Driving your vehicle
Always be cautious for vehicles
with higher height or vehicles car-
rying loads that sticks out to the
back of the vehicle.
WARNING
Smart Cruise Control system
cannot guarantee stopping
for every emergency situa-
tion.
If an emergency stop is nec-
essary, you must apply the
brakes.
Keep a safe distance accord-
ing to road conditions and
vehicle speed. If the vehicle to
vehicle distance is too close
during high-speed driving, a
serious collision may result.
Smart Cruise Control system
cannot recognize a stopped
vehicle, pedestrians or an
oncoming vehicle. Always
look ahead cautiously to react
to unexpected and sudden sit-
uations.
SCC system may have diffi-
culty in maintaining the cor-
rect distance or speed, if the
vehicle is driving on a steep
incline or towing a trailer.
(Continued)
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(Continued)
When other vehicles are
changing lanes in front of you
frequently, Smart Cruise
Control system may not oper-
ate appropriately. Always look
ahead cautiously to react to
unexpected and sudden situa-
tions.
Smart Cruise Control system
is not a substitute for safe
driving practices but a con-
venience function only. It is
the responsibility of the driver
to always check the speed
and the distance to the vehi-
cle ahead.
Always be aware of the select-
ed speed and vehicle to vehi-
cle distance.
Always maintain sufficient
braking distance and deceler-
ate your vehicle by applying
the brakes if necessary.
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Driving your vehicle
124 5
CAUTION
Smart Cruise Control system
may not operate temporarily
due to electrical interference.
(Continued)
As Smart Cruise Control sys-
tem may not recognize com-
plex driving situations, always
pay attention to driving condi-
tions and control your vehicle
speed.
For safe operation, carefully
read and follow the instruc-
tions in this manual before
use.
If another warning sound,
such as the fasten seat belt
warning, is played, the SCC
system warning sound may
not occur.
When driving with SCC set,
the system may not detect
parked vehicles ahead. Be
careful if this occurs and do
not rely solely on SCC func-
tion.
Please turn off SCC system
when the vehicle is being
towed.
(Continued)(Continued)
If the vehicle ahead is no
longer detected while you are
driving with the set distance,
the vehicle may accelerate
until it reached the set speed.
If this occurs, be cautious and
control your vehicle speed if
needed.
Be cautious and be careful of
dangerous situations when
driving on a slippery road.
Beware of dangerous situa-
tions as you may quickly pass
the vehicle driving in the next
lane.

5125
Driving your vehicle
Lane Following Assist system is
designed to center the vehicle in the
chosen lane by using a front mount-
ed camera on top of the windshield.
It can only become active in combi-
nation with Smart Cruise Control
and therefore assists the driver in his
task to control the lateral movement
of the vehicle.
* LFA stands for Lane Following
Assist.
LANE FOLLOWING ASSIST (LFA) (IF EQUIPPED)
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WARNING
It is the driver's responsibility
to operate the steering wheel
for safe driving.
Do not turn the steering wheel
hastily if LFA is operating.
LFA system assists the steer-
ing wheel control so that the
vehicle can stay in the center
of the lane. LFA system does
not automatically control the
steering wheel at all times,
which means the driver must
keep hands on the wheel at all
times while driving.
When using LFA system,
always be aware of surround-
ings and road conditions that
may interrupt or stop LFA sys-
tem.
CAUTION
- Do not attach glass tinting,
stickers, accessories to the
windshield where the front
camera near the indoor mirror
is placed.
- The removal or re-assembly of
the front camera to attach tint-
ing, stickers, accessories may
require LFA system to be thor-
oughly inspected and modi-
fied. In such case, have your
vehicle inspected by an
authorized Kia dealer.
- Inspection or modification
may be required when replac-
ing parts related to the wind-
shield or front camera, steer-
ing. we recommend that the
system be checked by an
authorized Kia dealer.
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Driving your vehicle
126 5
LFA system operation
To use Lane Following Assist two
steps are necessary:
(1) LFA system has to be enabled,
and
(2) SCC system has to be activated
With the ignition switch or ENGINE
START/STOP button in the [ON],
select or release the setting from
“User setting →Driver Assistance →
Driving Assist →Lane Following
Assist”.
Select LFA system in the user setting
of the instrument panel.
The LFA system status is remem-
bered by the system and therefore
does not need to be enabled again
for each new journey.
(Continued)
- Depending on your surround-
ings and road conditions, LFA
system could fail to recognize
the lane and stop working. In
turn, extra caution is required
while driving with LFA system
on.
- Be sure to check the non-
operating conditions and cau-
tions for the driver before
using LFA system.
- Do not place reflective materi-
als such as white paper or
mirror on the crash pad.
Sunlight reflections can cause
a malfunction in LFA system.
- Too big sound from the sound
system can interrupt the
alarming sound from LFA sys-
tem.
(Continued)(Continued)
- Keeping your hands off the
wheel while driving will trigger
the hands-off warning and
deactivate the steering-assist
system. Put your hands back
on the wheel, then the steer-
ing-assist system will be re-
activated.
- When driving at a high speed,
the steering assist force can
become weak and the vehicle
can drive out of its lane. Extra
caution is required, and com-
ply with the speed limit.
- Attaching an object to the
steering wheel could deter
steering assistance.
- Attaching an object to the
steering wheel could deter the
hands-off alarming system.

Driving your vehicle
128 5
LFA system activation
If the vehicle is inside the lane with
both lanes recognized by the sys-
tem, and there is no steep steering
made by the driver, LFA system
changes into steering assist mode.
The indicator light will come on
green, and the system helps the
vehicle stay in line by controlling the
steering wheel.
When the steering wheel is not con-
trolled temporarily, the indicator light
will flash green and changes to
white.
When the both lanes are not recog-
nized by the system, the system con-
trols the steering wheel limitedly
whether there is a vehicle in front or
not.
Warning
If you keep your hands off the wheel
while driving with LFA system assist-
ing the steering, the hands-off warn-
ing will be triggered.
If the driver keeps hands off the
wheel even with the hands-off warn-
ing on, the steering assist is tem-
porarily released automatically.
If you put your hands back on the
wheel with LFA system released, the
steering assist will re-start.
WARNING
LFA system ensures the vehicle
stays in its lane. LFA system
does not guarantee 100% safe-
ty. Make sure you always check
road conditions and drive safe-
ly at all times.
Never completely rely on your
LFA system.
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Driving your vehicle
130 5
Limitation of the system
If the driver turns on the turn signal
light or the emergency warning
light to change the lane
- Operate the turn signal light
switch before changing the lane
- If you change the lane without
operating the turn signal lights,
steering reaction force of the
wheel may occur.
Once LFA system is turned on or
the lane is changed, the vehicle
should be in the center of the road
to switch to the steering assist
mode. If the driver keeps driving
along the lane, LFA system will not
assist the steering.
When the ESC or VSM is activat-
ed, the system does not assist
steering.
When driving on a curved road at a
high speed, steering assist mode
may not work.
When driving at a speed faster
than 110 mph (180 km/h), steering
assist mode may not work. When sudden steering is made,
the system could be temporarily
deactivated.
If you change the lane in a hurry,
the system does not assist the
steering.
If the vehicle suddenly stops, it
does not assist the steering.
If the lane is too narrow or too
wide, steering is not assisted.
If the system is not able to recog-
nize a vehicle in front and either of
the lanes is not recognized, the
steering is not assisted
If the radius is too small for the
curve 
Cautions for the driver
If the lane recognition is difficult or
limited for the LFA system as shown
below, the driver may need to be
careful because it may not operate or
may cause unnecessary operation.
• Roads or lane markings in bad con-
dition
- When The lane is tainted or invisible
- When the driver cannot see the
lane due to rain, snow, dust,
sand, oil, puddles, etc
- When roads are set or the colors
of the lane and road are not dis-
tinctive
- If there is a sign other than the
lane near the lane or a mark sim-
ilar to the lane
- When the lane is not clear or
damaged
- If the road is covered in the shad-
ows of objects around the road,
such as medians, guard rails,
noise walls, and trees

5131
Driving your vehicle
- If the number of lanes increasesor decreases, or if the lanes inter-
sect with each other more
intensely (tollgate entry section,
road section/joining section, etc.)
- When there are two or more lane markings such as a construction
section, a designated lane, etc.
- When the lane is crowded such as the construction section or the
lane is replaced by some struc-
tures
- If there is a road marking such as a zigzag lane, crosswalk mark, or
road surface milestone
- When a lane suddenly becomes invisible or disappears from an
intersection
• The external environment affecting the system
- If the outside brightness of the vehi- cle suddenly changes, such as
when entering or exiting the tunnel
or passing under the bridge - If the vehicle's headlights are not
used at night or in the tunnel, or the
brightness of the headlights is too
weak
- If there are boundary structures such as tollgate booths and side-
walk blocks
- If it is difficult to distinguish lanes due to the reflection on the wet
road made by sunlight, streetlight,
and oncoming traffic.
- When the backlight is strongly reflected in the direction of the
vehicle
- When Driving to the left or right lane by bus lane or on the bus
lane
- If there is no enough distance between the front car or if the lane
is covered by the car ahead of me
- When the lane change is large, such as a steep curve or a contin-
uous curve
- When passing through speed bump, sudden up/down or left/right
slope
- If the vehicle is severely shaken - When the temperature around the
mirror is very high due to direct
sunlight
• When the front camera has poor vis- ibility
- If the windshield of the vehicle and the camera lens are covered
with dust, fingerprints, or tinting.
- If the camera has poor visibility due to bad weather such as fog,
heavy rain, heavy snow.
- If moisture is not completely removed from the windscreen.
- When placing objects on the dashboard, etc.

Driving your vehicle
138 5
Limitations of the system
The driver must be cautious in the
below situations, because the sys-
tem may not detect other vehicles or
objects in certain circumstances.
When a trailer or carrier is
installed.
The vehicle drives in inclement
weather such as heavy rain or
snow.
The sensor is polluted with rain,
snow, mud, etc.
The rear bumper where the sensor
is located is covered with a foreign
object such as a bumper sticker, a
bumper guard, a bike rack, etc.
The rear bumper is damaged, or
the sensor is out of the original
default position.
The vehicle height gets lower or
higher due to heavy loading in a
liftgate, abnormal tire pressure,
etc.
When the temperature of the rear
bumper is high. When the sensors are blocked by
other vehicles, walls or parking-lot
pillars.
The vehicle drives on a curved road.
The road pavement (or the periph-
eral ground) abnormally contains
metallic components (i.e. possibly
due to subway construction).
There is a fixed object near the
vehicle, such as a guardrail.
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 sen-
sor does not detect another vehicle
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.