2021 KIA NIRO engine

5123
Driving your vehicle
Smart Cruise Control will be tem-
porarily canceled when:
Canceled manually
Smart Cruise Control is temporarily
canceled when the brake pedal is
depressed or the CANCEL button is
pressed. The speed and vehicle dis-
tance indicator on the cluster is dis-
appeared and the cruise indicator
( CRUISE) is illuminated continu-
ously.Canceled automatically
SCC will automatically cancel in the
following situations:
The driver's door is opened.
The shift lever is shifted to N
(Neutral), R (Reverse) or P (Paking).
The EPB (Electronic Parking
Brake) is applied.
The vehicle speed is over 120 mph
(190 km/h)
The ESC, ABS or TCS is operating.
The ESC is turned off.
The sensor or the cover is dirty or
blocked with foreign matter.
The accelerator pedal is continu-
ously depressed for long time.
The engine speed is in dangerous
range.
SCC has malfunctioned.
When the braking control is operat-
ed for Forward Collision-Avoidance
Assist.
The vehicle stops and goes repeat-
edly for a long period of time. When the parking brake is locked
Speed of the vehicle has been
decreased to less than 5 mph (10
km/h)
Engine has some problems
Each of these actions will cancel SCC
operation. (The set speed of the clus-
ter is displayed in gray shades and the
distance indicator with the vehicle
ahead is disappeared.)
In a condition Smart Cruise Control
is cancelled automatically, Smart
Cruise Control will not operate even
though the RES+ or SET- switch is
moved.
The EPB (Electronic Parking Brake)
is applied when SCC auto release
condition occurs while SCC is in use.
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5125
Driving your vehicle
✽ ✽
NOTICE
To reduce the risk of an accident,
always check the road conditions
when reactivating Smart Cruise
Control using the RES+ switch to
ensure the road conditions permit
safe use of Cruise Control.
To turn Smart Cruise Control off:
Press the Driving Assist button. (the
CRUISE indicator in the instrument
cluster will go off).
When Smart Cruise Control is not
needed, press the Driving Assist but-
ton and deactivate the function.
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WARNING
Take the following precautions :
If Smart Cruise Control is left
on, (cruise indicator in the
instrument cluster illuminat-
ed) Smart Cruise Control can
be activated unintentionally.
Keep Smart Cruise Control off
(cruise indicator turn off)
when Smart Cruise Control is
not used.
Do not leave the vehicle when
it is stopped by SCC. If it is
necessary to leave the vehi-
cle, turn off SCC and move the
gear shift to P (Parking),
engage the parking brake, and
turn off the engine while
depressing the brake pedal.
Use SCC only on roads with
good traffic conditions. Do not
use SCC in the following situa-
tions because of the high risk
of an accident.
(Continued)

Driving your vehicle
128 5
Each time the button is pressed, the
vehicle distance changes as follows:
For example, if you drive at 56 mph
(90 km/h), the distance maintain as
follows;
Distance 4 - approximately 172 feet
(52.5 m)
Distance 3 - approximately 130 feet
(40 m)
Distance 2 - approximately 106 feet
(32.5 m)
Distance 1 - approximately 82 feet
(25 m) ✽ ✽
NOTICE
The distance is set to the last set dis-
tance when the function is used for
the first time after starting the
engine.
When the lane ahead is clear :
The vehicle speed will maintain the
set speed.
Distance 4 Distance 3 Distance 2
Distance 1
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5133
Driving your vehicle
Warning message
When the sensor lens cover is
blocked with dirt, snow, or debris,
Smart Cruise Control operation may
stop temporarily. If this occurs, a
warning message will appear on the
LCD display. Remove any dirt, snow,
or debris and clean the radar sensor
lens cover before operating Smart
Cruise Control. Smart Cruise Control
may not properly activate, if the radar
is totally contaminated, or if any sub-
stance is detected after turning ON
the engine (e.g. in an open terrain).
Smart Cruise Control malfunction
message
The message will appear when the
vehicle distance control function is
not functioning normally.
Take your vehicle to an authorized
Kia dealer and have the system
checked.
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OJF058406L
CAUTION
Do not install accessories
around the sensor and do not
replace the bumper by your-
self. It may interfere with the
sensor performance.
Always keep the sensor and
bumper clean.
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, Smart
Cruise Control may not oper-
ate correctly. In this case, a
warning message may not be
displayed.
Have the system checked by
an authorized Kia dealer.
(Continued)

5135
Driving your vehicle
1. Turn Smart Cruise Control on (the
cruise indicator light will be on but
the function will not be activated).
2. Push the distance to distance
switch for more than 2 seconds.
3. Choose between "Smart Cruise
Control" and "Cruise Control".
When the function is canceled using
the Driving Assist button or the
Driving Assist button is used after the
engine is turned on, Smart Cruise
Control mode will turn on.Limitations of the function
Smart Cruise Control may have lim-
its to its ability to detect distance to
the vehicle ahead due to road and
traffic conditions.
On curves
On curves, Smart Cruise Control
may not detect a moving vehicle in
your lane, and then your vehicle
could accelerate to the set speed.
Also, the vehicle speed will rapidly
down when the vehicle ahead is
recognized suddenly.
Select the appropriate set speed
on curves and adjust your vehicle
speed by depressing the accelera-
tor or brake pedal according to the
road condition ahead and driving
condition.WARNING
When using the cruise control
mode, you must manually
adjust the distance to other
vehicles as the function will not
automatically brake to slow
down for other vehicles.
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Driving your vehicle
142 5
Highway Auto Curve
Slowdown
If vehicle speed is high, Highway
Auto Curve Slowdown function will
temporarily decelerate your vehicle
to help you drive safely on a curve,
based on the curve information from
the navigation.
Function settings
Settings
Highway Auto Curve Slowdown
With the ENGINE START/STOP
button in the ON position, select
“Driver Assist Driving Assist 
Highway Auto Curve Slowdown”
from the “User Settings (LCD dis-
play)” to turn on Navigation-based
Smart Cruise Control and deselect
to turn off the function.
✽ ✽
NOTICE
When there is a problem with
Navigation-based Smart Cruise
Control, the function cannot be set
from the “User Settings” in the LCD
display.
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Driving your vehicle
150 5
LFA operation
To use Lane Following Assist two
steps are necessary:
(1) LFA has to be enabled, and
(2) SCC 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 in the user setting of the
instrument panel.
LFA status is remembered by the
function and therefore does not need
to be enabled again for each new
journey.
(Continued)
- Depending on your surround-
ings and road conditions, LFA
could fail to recognize the
lane and stop working. In turn,
extra caution is required
while driving with LFA on.
- Be sure to check the non-
operating conditions and cau-
tions for the driver before
using LFA.
- Do not place reflective materi-
als such as white paper or
mirror on the crash pad.
Sunlight reflections can cause
a malfunction in LFA.
- Too big sound from the sound
function can interrupt the
alarming sound from LFA.
(Continued)(Continued)
- Keeping your hands off the
wheel while driving will trigger
the hands-off warning and
deactivate the steering-assist
function. 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.

5157
Driving your vehicle
Setting and activating HDA
With the ignition switch or ENGINE
START/STOP button in the [ON],
select or release the setting from
“User Setting Driver Assistance
Driving Assist Highway Driving
Assist”.
Select HDA in the User setting of the
instrument panel. and the function
will operate if the following conditions
are met :
If the engine is turned off then on
again, the function maintains the last
setting.
Operating conditions
If you activate HDA in the User set-
ting of the instrument panel. and the
following conditions are met, HDA
will be ready to operate, and the indi-
cator light ( ) will come on
green in the cluster.
When driving on the highway main
line.
When Smart Cruise Control is in
operation (Vehicle deceleration
and acceleration control)
- Refer to “Smart Cruise Control
(SCC)” in this chapter.
- If SCC is in standby mode (SCC
is on but speed is not set), HDA
will be in the same mode. The
white indicator ( ) light will
be turned on.
When the vehicle speed is below
95 mph (153 km/h)
HDA operation
The speed is automatically set in
accordance with the steering control
and the highway speed limit when all
the operating conditions are met.