2015 KIA Optima engine

487
Features of your vehicle
Electronic PowerSteering (EPS) WarningLight (if equipped)
This warning light illuminates:
Once you set the ignition switch or Engine Start/Stop Button to the ON
position.
- It remains on until the engine isstarted.
When there is a malfunction with the EPS.
In this case, have your vehicle
inspected by an authorized Kia
dealer.
Malfunction Indicator
Lamp (MIL)
This warning light illuminates:
Once you set the ignition switch or Engine Start/Stop Button to the ON
position.
- It remains on until the engine isstarted.
When there is a malfunction with the emission control system.
In this case, have your vehicle
inspected by an authorized Kia
dealer.
CAUTION - Malfunction
Indicator
Lamp (MIL)
Driving with the MalfunctionIndicator Lamp (MIL) on maycause damage to the emissioncontrol systems which couldeffect drivability and/or fueleconomy.
CAUTION - Gasoline
Engine
If the Malfunction IndicatorLamp (MIL) illuminates, poten-tial catalytic converter damageis possible which could result inloss of engine power.
In this case, have your vehicleinspected by an authorized Kiadealer as soon as possible.

Features of your vehicle
88
4
Charging System
Warning Light
This warning light illuminates:
Once you set the ignition switch or Engine Start/Stop Button to the ON
position.
- It remains on until the engine isstarted.
When there is a malfunction with either the alternator or electrical
charging system.
If there is a malfunction with either
the alternator or electrical charging
system:
1. Drive carefully to the nearest safe location and stop your vehicle.
2. Turn the engine off and check the alternator drive belt for looseness
or breakage.
If the belt is adjusted properly,
there may be a problem in the
electrical charging system.
In this case, have your vehicle
inspected by an authorized Kia
dealer as soon as possible.
Engine Coolant Temperature WarningLight (if equipped)
This warning light illuminates:
When the engine coolant tempera- ture is above 120°C (248°F). This
means that the engine is overheat-
ed and may be damaged.
If your vehicle is overheated, refer
to "Overheating" in chapter 6.
Engine Oil Pressure
Warning Light
This warning light illuminates:
Once you set the ignition switch or Engine Start/Stop Button to the ON
position.
- It remains on until the engine isstarted.
When the engine oil pressure is low.
If the engine oil pressure is low:
1. Drive carefully to the nearest safe location and stop your vehicle.
2. Turn the engine off and check the engine oil level (For more details,
refer to "Engine Oil" in section 7). If
the level is low, add oil as required.
If the warning light remains on
after adding oil or if oil is not avail-
able, have your vehicle inspected
by an authorized Kia dealer as
soon as possible.
CAUTION - Engine
Overheating
Do not drive the vehicle when the Engine Coolant TemperatureWarning Light is illuminated orthe engine is overheated.Continuing to drive the vehiclewhile it is overheated may dam-age the engine.

489
Features of your vehicle
Low Fuel Level WarningLight
This warning light illuminates:
When the fuel tank is nearly empty.
If the fuel tank is nearly empty:
Add fuel as soon as possible.
Door Ajar Warning Light
This warning light illuminates:
When a door is not closed securely.
Trunk Open WarningLight
This warning light illuminates:
When the trunk is not closed secure-
ly.
CAUTION - Engine Oil
Pressure Warning Light
If the engine is not stopped
immediately after the EngineOil Pressure Warning Light isilluminated, severe damagecould result.
If the warning light stays on while the engine is running,there may be serious enginedamage. In this case,
1. Stop the vehicle as soon as it is safe to do so.
2. Turn off the engine and check the oil level. If the oillevel is low, fill the engineoil to the proper level.
3. Start the engine again. If the warning light stays on afterthe engine is started, turnthe engine off immediately.In this case, have your vehi-cle inspected by an author-ized Kia dealer.
CAUTION - Low Fuel
Level
Driving with the Low Fuel Levelwarning light on or with the fuellevel below can cause theengine to misfire and damagethe catalytic converter (ifequipped).

Features of your vehicle
90
4
Master Warning light
This warning light informs the driv-
er of the following situations
- Low washer fluid
- Service required
The Master Warning Light illumi-
nates when more than one of the
above warning situations occur. At
this time, the LCD Modes Icon will
change from ( ) to ( ).
If the warning situation is solved, the
master warning light will be turned off
and the LCD Modes Icon will be
changed back to its previous icon ( ).
(ex : refill the washer fluid)
Indicator Lights
Electronic Stability Control (ESC) IndicatorLight
This indicator light illuminates:
Once you set the ignition switch or Engine Start/Stop Button to the ON
position.
- It illuminates for approximately 3seconds and then goes off.
When there is a malfunction with the ESC system.
In this case, have your vehicle
inspected by an authorized Kia
dealer.
This indicator light blinks:
While the ESC is operating.
For more details, refer to "Electronic
Stability Control (ESC)" in chapter 5.
Electronic Stability Control (ESC) OFFIndicator Light
This indicator light illuminates:
Once you set the ignition switch or Engine Start/Stop Button to the ON
position.
- It illuminates for approximately 3seconds and then goes off.
When you deactivate the ESC sys- tem by pressing the ESC OFF but-
ton.
For more details, refer to "Electronic
Stability Control (ESC)" in chapter 5.

491
Features of your vehicle
ECOMINDER®indicator
Active ECO system
This indicator light illuminates:
When the Active ECO button is
pressed the ECOMINDER
®indicator
(green) will illuminate to show that
the Active ECO is operating.
For more detailed information, refer
to "Active ECO" or "Drive mode" in
chapter 5.
SPORT Mode Indicator
Light (if equipped)
This indicator light illuminates:
When you select “SPORT” mode as drive mode.
❈ For more details, refer to “Drive
Mode” in chapter 5.
Immobilizer Indicator
Light (Without Smart Key)
This indicator light illuminates:
When the vehicle detects the immobilizer in your key properly
while the ignition switch is ON.
- At this time, you can start theengine.
- The indicator light goes off after starting the engine.
This indicator light blinks:
When there is a malfunction with the immobilizer system.
In this case, have your vehicle
inspected by an authorized Kia
dealer.
Immobilizer Indicator
Light (With Smart Key)
This indicator light illuminates for up
to 30 seconds:
When the vehicle detects the smart key in the vehicle properly
while the Engine Start/Stop Button
is ACC or ON.
- At this time, you can start theengine.
- The indicator light goes off after starting the engine.
This indicator light blinks for a few
seconds:
When the smart key is not in the vehicle.
- At this time, you can not start theengine.
ECO
SPORT

Features of your vehicle
92
4
This indicator light illuminates for 2
seconds and goes off:
When the vehicle can not detect
the smart key which is in the vehi-
cle while the Engine Start/Stop
Button is ON.
In this case, have your vehicle
inspected by an authorized Kia
dealer.
This indicator light blinks:
When the battery of the smart key is weak.
- At this time, you can not start theengine. However, you can start the
engine if you press the Engine
Start/Stop Button with the smart
key. (For more details, refer to
"Starting the Engine" in section 5).
When there is a malfunction with the immobilizer system.
In this case, have your vehicle
inspected by an authorized Kia
dealer.Turn Signal Indicator
Light
This indicator light blinks:
When you turn the turn signal light on.
If any of the following occurs, there
may be a malfunction with the turn
signal system. In this case, have your
vehicle inspected by an authorized
Kia dealer. - The indicator light does not blinkbut illuminates.
- The indicator light blinks more rapidly.
- The indicator light does not illumi- nate at all.
High Beam Indicator
Light
This indicator light illuminates:
When the headlights are on and in the high beam position.
When the turn signal lever is pulled into the Flash-to-Pass position.
Light ON Indicator Light
This indicator light illuminates:
When the tail lights or headlightsare on.

493
Features of your vehicle
Front Fog IndicatorLight (if equipped)
This indicator light illuminates:
When the front fog lights are on.
Cruise Indicator Light (if equipped)
This indicator light illuminates:
When the cruise control system is enabled.
For more details, refer to "Cruise
Control System" in chapter 5.
Cruise SET Indicator Light (if equipped)
This indicator light illuminates:
When the cruise control speed is set.
For more details, refer to "Cruise
Control System" in chapter 5.
KEY OUT Indicator Light(if equipped)
When the ENGINE START/STOP
button is in the ACC or ON position,
if any door is open, the system
checks for the smart key.
This indicator light blinks:
When the smart key is not in the
vehicle and any door is open with the
ignition switch or Engine Start/Stop
button in the ACC or ON position.
- At this time, if you close all doors, the chime will also sound for
approximately 5 seconds.
- The indicator will go off while the vehicle is moving.
KEY
OUTCRUISE
SET

495
Features of your vehicle
Non-operational conditions of
Back-Up Warning System
The Back-Up Warning System may
not operate properly when:
1. Moisture is frozen to the sensor. (Itwill operate normally when the
moisture has been cleared.)
2. The sensor is covered with foreign matter, such as snow or water, or
the sensor cover is blocked. (It will
operate normally when the materi-
al is removed or the sensor is no
longer blocked.)
3. Driving on uneven road surfaces. (unpaved roads, gravel, bumps,
gradient.)
4. Objects generating excessive noise (vehicle horns, loud motor-
cycle engines, or truck air brakes)
are within range of the sensor.
5. Heavy rain or water spray exists.
6. Wireless transmitters or mobile phones are within range of the
sensor.
7. The sensor is covered with snow.
8. Trailer towing. The detecting range may decrease
when:
1. The sensor is stained with foreign
matter such as snow or water.
(The sensing range will return to
normal when removed.)
2. Outside air temperature is extremely hot or cold.
The following objects may not be
recognized by the sensor:
1. Sharp or slim objects such as ropes, chains or small poles.
2. Objects which tend to absorb the sensor frequency such as clothes,
spongy material or snow.
3. Undetectable objects smaller than 1 m (40 in.) in height and narrower
than 14 cm (6 in.) in diameter.
Back-Up Warning System pre-
cautions
The Back-Up Warning System maynot sound sequentially depending
on the speed and shapes of the
objects detected.
The Back-Up Warning System may malfunction if the vehicle bumper
height or sensor installation has
been modified or damaged. Any
non-factory installed equipment or
accessories may also interfere with
the sensor performance.
The sensor may not recognize objects less than 30 cm (11 in.)
from the sensor, or it may sense an
incorrect distance. Use caution.
When the sensor is frozen or stained with snow, dirt, or water, the sensor
may be inoperative until the stains
are removed using a soft cloth.
Do not push, scratch or strike the sensor. Sensor damage could occur.