brake KIA SORENTO 2018 Workshop Manual

543
Driving your vehicle
ESC operation
ESC ON condition When the ignition is turnedON, ESC and ESC OFF
indicator lights illuminate for
approximately 3 seconds,
then ESC is turned on.
ton for at least half a sec-
ond after turning the igni-
tion ON to turn ESC off.
(ESC OFF indicator will
illuminate). To turn the
ESC on, press the ESC
OFF button (ESC OFF
indicator light will go off).
you may hear a slight tick-
ing sound. This is the ESC
performing an automatic
system self-check and does
not indicate a problem. When operating
When the ESC is in opera-
tion, the ESC indicator light
blinks.
Stability Control is operat-
ing properly, you can feel a
slight pulsation in the vehi-
cle. This is only the effect
of brake control and indi-
cates nothing unusual.
mud or driving on a slip-
pery road, pressing the
accelerator pedal may not
cause the engine rpm
(revolutions per minute) to
increase.
ESC operation off
ESC OFF state
This car has 2 kinds of ESC
off states.
If the engine stops when
ESC is off, ESC remains off.
Upon restarting the engine,
the ESC will automatically
turn on again.
-

Driving your vehicle
44
5
ESC off state 1
To cancel ESC operation, press the
ESC OFF button (ESC OFF )
shortly (ESC OFF indicator light
(ESC OFF ) illuminates). At this
state, the engine control function
does not operate. It means the trac-
tion control function does not oper-
ate. Brake control function only oper-
ates.
To cancel ESC operation, press the
ESC OFF button (ESC OFF ) for
more than 3 seconds. ESC OFF indi-
cator light (ESC OFF ) illuminates
and ESC OFF warning chime will
sound. At this state, the engine con-
trol function and brake control func-
tion do not operate. It means the car
stability control function does not
operate any more.
Indicator light
When ignition switch is turned to ON,
the indicator light illuminates, then
goes off if the ESC system is operat-
ing normally.
The ESC indicator light blinks when-
ever ESC is operating or illuminates
when ESC fails to operate.
The ESC OFF indicator light comes
on when the ESC is turned off with
the button.
OUM054165L
OUM054161L
■
Type A
■Type BOUM054162L
OUM054163L
■Type A
■Type B
■ ESC indicator light
■ ESC OFF indicator light

545
Driving your vehicle
ESC OFF usage
When driving
ESC should be turned on for dailydriving whenever possible.
To turn ESC off while driving, press the ESC OFF button while driving
on a flat road surface.
✽ ✽ NOTICE
• When operating the vehicle on a
dynamometer, ensure that the
ESC is turned off (ESC OFF light
illuminated). If the ESC is left on,
it may prevent the vehicle speed
from increasing, and result in false
diagnosis.
• Turning the ESC off does not affect ABS or brake system opera-
tion.
WARNING- Operating
ESC
Never press the ESC OFF but-
ton while ESC is operating (ESC
indicator light blinks).
If ESC is turned off while ESC is
operating, the vehicle may slip
out of control.
WARNING- Electronic sta- bility control
Drive carefully even though
your vehicle has Electronic
Stability Control. It can only
assist you in maintaining con-
trol under certain circum-
stances.

Driving your vehicle
46
5
Vehicle stability management
(VSM)
This system provides further
enhancements to vehicle stability
and steering responses when a vehi-
cle is driving on a slippery road or a
vehicle detects changes in coeffi-
cient of friction between right wheels
and left wheels when braking.
VSM operation
When the VSM is in operation, ESC
indicator light ( ) blinks.
When the vehicle stability manage-
ment is operating properly, you can
feel a slight pulsation in the vehicle
and/or abnormal steering responses
(EPS). This is only the effect of brake
and EPS control and indicates noth-
ing unusual.
The VSM does not operate when:
Driving on bank road such as gra-
dient or incline
Driving in reverse
ESC OFF indicator light ( ) remains on the instrument cluster
EPS indicator light remains on the instrument cluster
VSM operation off
If you press the ESC OFF button to
turn off the ESC, the VSM will also
cancel and the ESC OFF indicator
light ( ) illuminates.
To turn on the VSM, press the button
again. The ESC OFF indicator light
goes out.
WARNING- Tire/
Wheel size
When replacing tires and
wheels, make sure they are the
same size as the original tires
and wheels installed. Driving
with varying tire or wheel sizes
may diminish any supplemental
safety benefits of the VSM sys-
tem.

547
Driving your vehicle
Malfunction indicator
The VSM can be deactivated even if
you don’t cancel the VSM operation
by pressing the ESC OFF button. It
indicates that a malfunction has
been detected somewhere in the
Electric Power Steering system or
VSM system. If the ESC indicator
light ( ) or EPS warning light
remains on, take your vehicle to an
authorized Kia dealer and have the
system checked.
✽ ✽NOTICE
• The VSM is designed to function
above approximately 22 km/h (13
mph) on curves.
• The VSM is designed to function above approximately 10 km/h (6
mph) when a vehicle is braking on
a split-mu road. The split-mu road
is made of surfaces which have dif-
ferent friction forces.
The Vehicle Stability Management
system is not a substitute for safe
driving practices but a supplemen-
tary function only. It is the respon-
sibility of the driver to always check
the speed and the distance to the
vehicle ahead. Always hold the
steering wheel firmly while driving.
Your vehicle is designed to activate according to the driver’s intention,
even with installed VSM. Always
follow all the normal precautions
for driving at safe speeds for the
conditions – including driving in
clement weather and on a slippery
road.Hill-start assist control (HAC)
A vehicle has the tendency to roll
back on a steep hill when it starts to
go after stopping. The Hill-start
Assist Control (HAC) prevents the
vehicle from rolling back by applying
the brakes automatically for about 2
seconds. The brakes are released
when the accelerator pedal is
depressed or after about 2 seconds.
The HAC is activated only for about 2
seconds, so when the vehicle is
starting off always depress the accel-
erator pedal.
WARNING- Maintaining
Brake Pressure on Incline
HAC does not replace the need
to apply brakes while stopped
on an incline. While stopped,
make sure you maintain brake
pressure sufficient to prevent
your vehicle from rolling back-
ward and causing an accident.
Don’t release the brake pedal
until you are ready to accelerate
forward.

Driving your vehicle
48
5
Good braking practices
Check to be sure the parking brake
is not engaged and the parking
brake indicator light is out before
driving away.
Driving through water may get the brakes wet. They can also get wet
when the vehicle is washed. Wet
brakes can be dangerous! Your
vehicle will not stop as quickly if the
brakes are wet. Wet brakes may
cause the vehicle to pull to one
side.
To dry the brakes, apply the brakes
lightly until the braking action
returns to normal, taking care to
keep the vehicle under control at
all times. If the braking action does
not return to normal, stop as soon
as it is safe to do so and call an
authorized Kia dealer for assis-
tance. Don't coast down hills with the
vehicle out of gear. This is extreme-
ly hazardous. Keep the vehicle in
gear at all times, use the brakes to
slow down, then shift to a lower
gear so that engine braking will
help you maintain a safe speed.
Don't "ride" the brake pedal. Resting your foot on the brake
pedal while driving can be danger-
ous because the brakes might
overheat and lose their effective-
ness. It also increases the wear of
the brake components.
If a tire goes flat while you are driv- ing, apply the brakes gently and
keep the vehicle pointed straight
ahead while you slow down. When
you are moving slowly enough for it
to be safe to do so, pull off the road
and stop in a safe place. If your vehicle is equipped with an
automatic transaxle, don't let your
vehicle creep forward. To avoid
creeping forward, keep your foot
firmly on the brake pedal when the
vehicle is stopped.
Be cautious when parking on a hill. Firmly engage the parking brake
and place the shift lever in P (auto-
matic transaxle). If your vehicle is
facing downhill, turn the front
wheels into the curb to help keep
the vehicle from rolling. If your vehi-
cle is facing uphill, turn the front
wheels away from the curb to help
keep the vehicle from rolling. If
there is no curb or if it is required
by other conditions to keep the
vehicle from rolling, block the
wheels.

549
Driving your vehicle
Under some conditions your park-ing brake can freeze in the
engaged position. This is most like-
ly to happen when there is an
accumulation of snow or ice
around or near the rear brakes or if
the brakes are wet. If there is a risk
that the parking brake may freeze,
apply it only temporarily while you
put the shift lever in P (automatic
transaxle) and block the rear
wheels so the vehicle cannot roll.
Then release the parking brake.
Do not hold the vehicle on the upgrade with the accelerator
pedal. This can cause the transaxle
to overheat. Always use the brake
pedal or parking brake.

Driving your vehicle
52
5
Prerequisite for activation
The AEB will activate when the AEB
is selected on the LCD display, and
when the following prerequisites are
satisfied:
- The ESC (Electronic Stability
Control) is activated.
- The driving speed is over 6 mph. (The AEB only works within a cer-
tain range of vehicle speeds)
- When the AEB recognizes a vehi- cle or the pedestrian in front. (The
AEB may not recognize every
obstacle or provide warnings and
braking in every situation, so do
not rely on the AEB to stop the
vehicle in instances where the driv-
er sees an obstacle and has the
ability to apply the brakes) The AEB automatically activates
when you turn the vehicle on.
The driver can deactivate the AEB
by canceling it the system setting on
the LCD display.
Even when the Autonomous Emergency Braking (AEB) may be
set to "Use AEB" setting, if the
Traction Control System (TCS) or
Electronic Stability Control (ESC)
features are deselected, AEB func-
tion will be turned off automatically.
In this case, the AEB feature can-
not be turned on manually as well.
AEB warning message and
system control
Warning text may appear or warning
sound may sound when the vehicle in
front brakes suddenly or the distance
with the vehicle in front is short. Also,
the brake system will control the
brakes depending on the collision
possibility.
Depending on the vehicle condition
and traffic conditions in front of the
vehicle, some warning features may
activate or not activate at all.
WARNING
Set or cancel AEB with control-
ling switches on steering wheel
after stopping the vehicle in the
safe place for your safety.
Do not attempt to set or cancel
the AEB while your vehicle is
moving.

553
Driving your vehicle
Forward Warning (1st warning)
The warning message appears on the
LCD display and a warning chime
sounds.
Collision Warning (2nd warning)
The warning message appears onthe LCD display and a warning
chime sounds.
The AEB applies partial brakes to reduce the impact from a collision.
Emergency braking (3rd warning)
The warning message appears onthe LCD display and a warning
chime sounds.
The AEB applies partial brakes to release shock from the collision.
The AEB applies maximum brakes
just before the collision.
OUMA057221OUMA057222OUMA057223

Driving your vehicle
54
5
Brake operation
In an urgent situation, the braking
system enters into the ready status
for prompt reaction against the dri-
ver’s depressing the brake pedal.
The AEB provides additional brak- ing power for optimum braking per-
formance, when the driver
depresses the brake pedal.
The braking control is automatical- ly deactivated, when the driver
sharply depresses the brake pedal,
or when the driver abruptly turns
the steering wheel.
The braking control is automatical- ly canceled, when risk factors dis-
appear.
The driver should always exercise
caution when operating the vehicle,
even though there is no warning
message or warning alarm.
✽ ✽ NOTICE
The AEB operates in accordance
with the risk levels, such as the dis-
tance from the vehicle/passer-by in
front, the speed of the vehicle/pass-
er-by in front, and the driver's vehi-
cle operation. Do not drive danger-
ously in order to activate to system.
Sensor to detect the distance
from the vehicle in front
(front radar)
The sensor cannot maintain proper
distance from the vehicle in front
when the sensor lens is obscured by
foreign substances, such as snow
and rain, which will adversely affect
performance. It may even temporarily
cancel the AEB. Always keep the sen-
sor clean.
WARNING
The AEB cannot avoid all colli-
sions. The AEB might not com-
pletely stop the vehicle before
collision, due to ambient weath-
er and road conditions. The
driver has the responsibility to
drive safely and control the
vehicle.
OUM054054L