brake KIA SORENTO 2010 Service Manual

Driving your vehicle
36
5
ESP operation
ESP ON condition
ON, ESP and ESP OFF indi-
cator lights illuminate for
approximately 3 seconds,
then ESP is turned on.
Press the ESP OFF button for at least half a second after
turning the ignition ON to turn
ESP off. (ESP OFF indicator
will illuminate). To turn theESP on, press the ESP OFF
button (ESP OFF indicatorlight will go off).
you may hear a slight ticking
sound. This is the ESP per-
forming an automatic system
self-check and does not indi-
cate a problem. When operating
When the ESP is in operation,
ESP indicator light blinks.
Program is operating proper-
ly, you can feel a slight pulsa-
tion in the vehicle. This is only
the effect of brake control and
indicates nothing unusual.
or slippery road, pressing the
accelerator pedal may not
cause the engine rpm (revo-
lutions per minute) to
increase.
ESP operation off
ESP OFF state
press the ESP OFF button (ESP OFF indicator light illu-minates).
to LOCK position when ESP
is off, ESP remains off. Upon
restarting the engine, the
ESP will automatically turn onagain.
-

537
Driving your vehicle
Indicator light
When ignition switch is turned to the ON
position, the indicator light illuminates,then goes off if the ESP system is oper-
ating normally.
The ESP indicator light blinks whenever
ESP is operating or illuminates when
ESP fails to operate. ESP OFF indicator light comes on when
the ESP is turned off with the button.
ESP OFF usage
When driving
ESP should be turned on for daily driv-ing whenever possible.
To turn ESP off while driving, press the ESP OFF button while driving on a flat
road surface.
✽✽ NOTICE
 When operating the vehicle on a dynamometer, ensure that the ESP is
turned off (ESP OFF light illuminat-
ed). If the ESP is left on, it may pre-
vent the vehicle speed from increas-
ing, and result in false diagnosis.
 Turning the ESP off does not affect
ABS or brake system operation.
CAUTION
Driving with varying tire or wheel
sizes may cause the ESP system to
malfunction. When replacing tires,make sure they are the same size asyour original tires.
WARNING
The Electronic Stability Program
system is only a driving aid; use
precautions for safe driving by
slowing down on curved, snowy, or
icy roads. Drive slowly and don’t
attempt to accelerate whenever the
ESP indicator light is blinking, or
when the road surface is slippery.WARNING
Never press the ESP OFF button while ESP is operating (ESP indica-
tor light blinks). If ESP is turned off while ESP is
operating, the vehicle may slip out
of control.
■ ESP indicator light
■ ESP OFF indicator light

Driving your vehicle
38
5
Hill-start assist control (HAC) (if equipped)
A vehicle has the tendency to slip back
on a steep hill when it starts to go after
stopping. The Hill-start Assist Control
(HAC) prevents the vehicle from slipping
back by operating the brakes automati-
cally for about 2 seconds. The brakes are
released when the accelerator pedal is
depressed or after about 2 seconds.✽✽
NOTICE
 The HAC does not operate when the transaxle shift lever is in the P (Park)
or N (Neutral) position.
 The HAC activates even though the
ESP is off but it does not activate
when the ESP has malfunctioned.
Downhill brake control (DBC) (if equipped)
The Downhill Brake Control (DBC) sup-
ports the driver come down a steep hill
without the driver depressing the brake
pedal. It slows down the vehicle under 8
km/h (5mph) and lets the driver concen-
trate on steering the vehicle.
DBC defaults to the OFF position when-
ever the ignition is turned on.
The DBC can be turned on or off by
pushing the button.
OXM059018WARNING
The HAC is activated only for about
2 seconds, so when the vehicle is
starting off always depress theaccelerator pedal.

539
Driving your vehicle
✽✽NOTICE
 The DBC does not turn ON in the P (Park) position.
 The DBC may not activate if the ESP (or BAS) is activated.
 Noise or vibration may occur from the brakes when the DBC is activated.
 The rear stop light comes on when the DBC is activated.
 In a very steep hill even though the brake pedal or accelerator pedal is
depressed the DBC may not deacti-
vate.
 Always turn OFF the DBC on normal roads. The DBC might activate from
the standby mode when abrupt corn-
ing or driving through speed bumps.
 DBC may activate and cause the engine to stop in vehicles with manual
transaxle if you drive in 3rd gear (or
above) with DBC on. Do not turn on
DBC when driving in 3rd gear (or
above).
Standby Press the DBC button when the vehicle speed is under
40km/h (25mph). The DBC system will turn ON and
enter the standby mode.
The system does not turn ON if the vehicle speed is
over 40km/h (25mph).
In the standby mode, if the vehicle speed is under
35km/h (22mph) while driving down a steep hill, the
DBC will activate automatically.
In the activated mode, the DBC will temporarily deacti-
vate under the following conditions:

The brake pedal or accelerator pedal is depressed.If the above conditions are gone, the DBC will automat-
ically activate again.
The DBC will turn OFF under the following conditions:


Activated
Temporarily deactivated
OFF
Mode Indicator light Description
blinks
illuminated
not
illuminated
illuminated
WARNING
If the DBC red indicator light illuminates, the system has overheated or some-
thing is wrong. The DBC will not activate. If the DBC red indicator light illu-
minates even though the DBC system has been cooled enough have the sys-
tem checked by an authorized KIA dealer.

Driving your vehicle
40
5
Good braking practices
Check to be sure the parking brake is
not engaged and that the parking
brake indicator light is out before driv-
ing 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 assistance.
Don't coast down hills with the vehicle out of gear. This is extremely haz-
ardous. 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 safespeed.
Don't "ride" the brake pedal. Resting your foot on the brake pedal while driv-ing can be dangerous because the
brakes might overheat and lose their
effectiveness. It also increases the
wear of the brake components.
If a tire goes flat while you are driving, 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 auto- matic transaxle, don't let your vehicle
creep forward. To avoid creeping for-
ward, 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 (automatic
transaxle) or in first or reverse gear
(manual transaxle). If your vehicle is
facing downhill, turn the front wheels
into the curb to help keep the vehicle
from rolling. If your vehicle 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.
Under some conditions your parking brake can freeze in the engaged posi-
tion. This is most likely 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) or in first or
reverse gear (manual 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.
WARNING
Whenever you leave or park your vehicle, always set the parking
brake as far as possible and fully
engage the vehicle's transaxle
into the P (Park) position. If the
parking brake is not fully
engaged, the vehicle may move
inadvertently and injure yourself
and others.
All vehicles should always have the parking brake fully engaged
when parking to avoid inadver-
tent movement of the vehicle
which can injure occupants orpedestrians.

541
Driving your vehicle
1. Cruise indicator
2. Cruise set indicator
The cruise control system allows you to
program the vehicle to maintain a con-stant speed without pressing the acceler-ator pedal. This system is designed to function
above approximately 40 km/h (25 mph).
✽✽NOTICE
During normal cruise control operation,
when the SET switch is activated or
reactivated after applying the brakes,
the cruise control will energize after
approximately 3 seconds. The delay is
normal.
CRUISE CONTROL SYSTEM (IF EQUIPPED)
WARNING
If the cruise control is left on (Cruise indicator light in the
instrument cluster illuminated),
the cruise control can be
switched on accidentally. Keep
the cruise control system off(Cruise indicator light OFF) when
the cruise control is not in use, to
avoid inadvertently setting aspeed.
Use the cruise control system only when traveling on open
highways in good weather.
Do not use the cruise control when it may not be safe to keep
the vehicle at a constant speed,
for instance, driving in heavy or
varying traffic, or on slippery
(rainy, icy or snow-covered) or
winding roads or over 6% up-hill
or down-hill roads.
Pay particular attention to the driving conditions whenever
using the cruise control system.
OXM059019
CAUTION
During cruise-speed driving of a
manual transaxle vehicle, do notshift into neutral without depress-ing the clutch pedal, since the
engine will be overrevved. If thishappens, depress the clutch pedalor release the cruise control ON- OFF switch.

543
Driving your vehicle
To decrease the cruising speed:
Follow either of these procedures:
Push the SET- switch and hold it. Yourvehicle will gradually slow down.
Release the switch at the speed you
want to maintain.
Push the SET- switch and release it immediately. The cruising speed will
decrease by 2.0 km/h (1.2 mph) -
Diesel engine each time the SET-
switch is operated in this manner. To temporarily accelerate with the
cruise control on:
If you want to speed up temporarily when
the cruise control is on, depress the
accelerator pedal. Increased speed will
not interfere with cruise control operationor change the set speed.
To return to the set speed, take your foot
off the accelerator.
To cancel cruise control, do one
of the following:
Press the brake pedal.
Press the clutch pedal with a manualtransaxle.
Shift into N (Neutral) with an automatic transaxle.
Press the CANCEL switch located on the steering wheel.
Decrease the vehicle speed lower than the memory speed by 20 km/h (12 mph).
Decrease the vehicle speed to less than approximately 40 km/h (25 mph).
OXM059021OXM059023

545
Driving your vehicle
Your vehicle's fuel economy depends
mainly on your style of driving, where you
drive and when you drive.
Each of these factors affects how many
kilometers (miles) you can get from a
liter (gallon) of fuel. To operate your vehi-
cle as economically as possible, use the
following driving suggestions to help
save money in both fuel and repairs:
Drive smoothly. Accelerate at a moder-ate rate. Don't make "jack-rabbit" starts or full-throttle shifts and maintain a
steady cruising speed. Don't race
between stoplights. Try to adjust your
speed to the traffic so you don't have to
change speeds unnecessarily. Avoid
heavy traffic whenever possible.
Always maintain a safe distance from
other vehicles so you can avoid unnec-
essary braking. This also reduces
brake wear.
Drive at a moderate speed. The faster you drive, the more fuel your vehicle
uses. Driving at a moderate speed,
especially on the highway, is one of the
most effective ways to reduce fuel con-sumption. Don't "ride" the brake or clutch pedal.
This can increase fuel consumption
and also increase wear on these com-
ponents. In addition, driving with your
foot resting on the brake pedal may
cause the brakes to overheat, which
reduces their effectiveness and may
lead to more serious consequences.
Take care of your tires. Keep them inflated to the recommended pressure.
Incorrect inflation, either too much or
too little, results in unnecessary tire
wear. Check the tire pressures at leastonce a month.
Be sure that the wheels are aligned correctly. Improper alignment can
result from hitting curbs or driving too
fast over irregular surfaces. Poor align-
ment causes faster tire wear and may
also result in other problems as well as
greater fuel consumption. Keep your vehicle in good condition.
For better fuel economy and reduced
maintenance costs, maintain your vehi-cle in accordance with the mainte-
nance schedule in Section 7. If you
drive your vehicle in severe conditions,more frequent maintenance is required
(see Section 7 for details).
Keep your vehicle clean. For maximum service, your vehicle should be kept
clean and free of corrosive materials. It
is especially important that mud, dirt,
ice, etc. not be allowed to accumulate
on the underside of the vehicle. This
extra weight can result in increased
fuel consumption and also contributeto corrosion.
Travel lightly. Don't carry unnecessary weight in your vehicle. Weight reduces
fuel economy.
Don't let the engine idle longer than necessary. If you are waiting (and not
in traffic), turn off your engine and
restart only when you're ready to go.
ECONOMICAL OPERATION

Driving your vehicle
46
5
Remember, your vehicle does not
require extended warm-up. After the
engine has started, allow the engine to
run for 10 to 20 seconds prior to plac-
ing the vehicle in gear. In very cold
weather, however, give your engine a
slightly longer warm-up period.
Don't "lug" or "over-rev" the engine. Lugging is driving too slowly in too
high a gear resulting engine bucking. If
this happens, shift to a lower gear.
Over-revving is racing the engine
beyond its safe limit. This can be avoid-
ed by shifting at the recommended
speeds. Use your air conditioning sparingly.
The air conditioning system is operat-
ed by engine power so your fuel econ-
omy is reduced when you use it.
Open windows at high speeds can reduce fuel economy.
Fuel economy is less in crosswinds and headwinds. To help offset some of
this loss, slow down when driving in
these conditions.
Keeping a vehicle in good operating con-
dition is important both for economy and
safety. Therefore, have an authorized KIA
dealer perform scheduled inspections
and maintenance.
WARNING - Engine off dur-
ing motion
Never turn the engine off to coast
down hills or anytime the vehicle is
in motion. The power steering and
power brakes will not function
properly without the engine run-
ning. Instead, keep the engine on
and downshift to an appropriate
gear for engine braking effect. In
addition, turning off the ignition
while driving could engage the
steering wheel lock resulting in
loss of vehicle steering which
could cause serious injury ordeath.

547
Driving your vehicle
Hazardous driving conditions
When hazardous driving conditions are
encountered such as water, snow, ice,
mud, sand, or similar hazards, followthese suggestions:
Drive cautiously and allow extra dis-tance for braking.
Avoid sudden braking or steering.
When braking with non-ABS brakes pump the brake pedal with a light up-
and-down motion until the vehicle isstopped. If stalled in snow, mud, or sand, use
second gear. Accelerate slowly to
avoid spinning the drive wheels.
Use sand, rock salt, tire chains, or other non-slip material under the drive
wheels to provide traction when stalled
in ice, snow, or mud. Rocking the vehicle
If it is necessary to rock the vehicle to free
it from snow, sand, or mud, first turn the
steering wheel right and left to clear the
area around your front wheels. Then, shift
back and forth between 1st (First) and R
(Reverse) in vehicles equipped with a
manual transaxle or R (Reverse) and any
forward gear in vehicles equipped with an
automatic transaxle. Do not race the
engine, and spin the wheels as little as
possible. If you are still stuck after a few
tries, have the vehicle pulled out by a tow
vehicle to avoid engine overheating and
possible damage to the transaxle.
SPECIAL DRIVING CONDITIONS
WARNING -
ABS
Do not pump the brake pedal on a
vehicle equipped with ABS.
WARNING - Downshifting
Downshifting with an automatic
transaxle, while driving on slipperysurfaces can cause an accident.
The sudden change in tire speed
could cause the tires to skid. Be
careful when downshifting on slip-
pery surfaces.
CAUTION
Prolonged rocking may cause engine over-heating, transaxle dam-age or failure, and tire damage.