check engine KIA Optima 2015 4.G User Guide

485
Features of your vehicle
Parking Brake & BrakeFluid Warning Light
This warning light illuminates:
Once you set the ignition switch or Engine Start/Stop Button to the ON
position.
- It illuminates for approximately 3seconds
- It remains on if the parking brake is applied.
When the parking brake is applied.
When the brake fluid level in the reservoir is low.
- If the warning light illuminateswith the parking brake released, it
indicates the brake fluid level in
reservoir is low. If the brake fluid level in the reservoir
is low:
1. Drive carefully to the nearest safe
location and stop your vehicle.
2. With the engine stopped, check the brake fluid level immediately
and add fluid as required (For
more details, refer to "Brake Fluid"
in chapter 7).
Then check all brake components for fluid leaks. If any leak on the
brake system is still found, the
warning light remains on, or the
brakes do not operate properly, do
not drive the vehicle.
In this case, have your vehicle
towed to an authorized Kia dealer
and inspected.
Dual-diagonal braking system
Your vehicle is equipped with dual-
diagonal braking systems. This
means you still have braking on two
wheels even if one of the dual sys-
tems should fail. With only one of the dual systems
working, more than normal pedal
travel and greater pedal pressure are
required to stop the vehicle.
Also, the vehicle will not stop in as
short a distance with only a portion
of the brake system working.
If the brakes fail while you are driv-
ing, shift to a lower gear for addition-
al engine braking and stop the vehi-
cle as soon as it is safe to do so.
WARNING - Parking
Brake & Brake Fluid
Warning Light
Driving the vehicle with a warn-
ing light ON is dangerous. If the
Parking Brake & Brake Fluid
Warning Light illuminates with
the parking brake released, it
indicates that the brake fluid
level is low.
In this case, have your vehicle
inspected by an authorized Kia
dealer.

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).

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

53
Driving your vehicle
Be sure the exhaust system
does not leak.
The exhaust system should be
checked whenever the vehicle is
raised to change the oil or for any
other purpose. If you hear a change
in the sound of the exhaust or if you
drive over something that strikes the
underneath side of the vehicle, have
the exhaust system checked as soon
as possible by an authorized Kia
dealer.
WARNING - Engineexhaust
Do not inhale exhaust fumes or
leave your engine running in an
enclosed area for a prolonged
time.
Exhaust fumes contain carbon
monoxide, a colorless, odorless
gas that can cause uncon-
sciousness and death by
asphyxiation.
WARNING - Open trunk
Do not drive with the trunk
open.
Poisonous exhaust gases can
enter the passenger compart-
ment. If you must drive with the
trunk open proceed as follows:
1. Close all windows.
2. Open side vents.
3. Set the air intake control at "Fresh", the air flow control at
"Floor" or "Face" and the fan
at the highest speed.

Driving your vehicle
45
Before entering vehicle
• Be sure that all windows, outsidemirror(s), and outside lights are
clean.
Check the condition of the tires.
Check under the vehicle for any sign of leaks.
Be sure there are no obstacles behind you if you intend to back up.
Necessary inspections
Fluid levels, such as engine oil,
engine coolant, brake fluid, and
washer fluid should be checked on a
regular basis, with the exact interval
depending on the fluid. Further
details are provided in chapter 7,
“Maintenance”.
Before starting
Close and lock all doors.
Position the seat so that all con-trols are easily reached.
Buckle your seat belt.
Adjust the inside and outside rearview mirrors.
Be sure that all lights work.
Check all gauges.
Check the operation of warning lights when the ignition switch is
turned to the ON position.
Release the parking brake and make sure the brake warning light
goes off.
For safe operation, be sure you are
familiar with your vehicle and its
equipment.
BEFORE DRIVING
WARNING - Distracted driving
Driving while distracted can
result in a loss of vehicle con-
trol that may lead to an acci-
dent, severe personal injury and
death. The driver's primary
responsibility is in the safe and
legal operation of the vehicle.
Use of any hand held devices,
other equipment or vehicle sys-
tems that distract the driver
should not be used during vehi-
cle operation.

55
Driving your vehicle
WARNING - Fire risk
When you intend to park or stop
the vehicle with the engine on,
be careful not to depress the
accelerator pedal for a long
period of time. It may overheat
the engine or exhaust system
and cause a fire.
WARNING - Loose object
Securely store items in your
vehicle. When you make a sud-
den stop or turn the steering
wheel rapidly, loose objects
may drop on the floor and it
could interfere with the opera-
tion of the foot pedals, possibly
causing an accident.WARNING - Check sur- rounding
Always check the surrounding
areas near your vehicle for peo-
ple, especially children, before
putting a vehicle into D (Drive)
or R (Reverse).
WARNING - Driving while intoxicated
Do not drive while intoxicated.
Drinking and driving is danger-
ous. Even a small amount of
alcohol will affect your reflexes,
perceptions and judgment.
Driving while under the influ-
ence of drugs including certain
prescription drugs is as danger-
ous as or more dangerous than
driving drunk.

Driving your vehicle
65
Illuminated ignition switch
(if equipped)
Whenever a front door is opened, the
ignition switch will illuminate for your
convenience, provided the ignition
switch is not in the ON position. The
light will go off immediately when the
ignition switch is turned on. It will
also go off after about 30 seconds
after the door is closed.
Ignition switch position
LOCK
The steering wheel locks to protect
against theft. The ignition key can be
removed only in the LOCK position.
When turning the ignition switch to
the LOCK position, push the key
inward at the ACC position and turn
the key toward the LOCK position.
The anti-theft steering column lock is
not a substitute for the parking brake.Before leaving the driver’s seat,
always make sure the shift lever is
engaged in P (Park) for the automat-
ic transaxle, set the parking brake
fully and shut the engine off.
ACC (Accessory)
The steering wheel is unlocked and
electrical accessories are operative.
If difficulty is experienced turning the
ignition switch to the ACC position,
turn the key while turning the steer-
ing wheel right and left to release the
tension.
ON
The warning lights can be checked
before the engine is started. This is
the normal running position after the
engine is started.
Do not leave the ignition switch ON if
the engine is not running to preventbattery discharge.
OTF050001
KEY POSITIONS
OTF054002

57
Driving your vehicle
START
Turn the ignition switch to the START
position to start the engine. The
engine will crank until you release
the key; then it returns to the ON
position. The brake warning light can
be checked in this position.
WARNING - Ignitionswitch
Never turn the ignition switch to
LOCK or ACC while the vehicle
is moving. This would result in
loss of directional control and
braking function, which could
cause an accident.
WARNING - Steering wheel
Never reach for any controls
through the steering wheel
while the vehicle is in motion.
The presence of your hand or
arm in this area could cause a
loss of vehicle control.

59
Driving your vehicle
ACC(Accessory)
Press the ENGINE START/STOP
button while it is in the OFF position
without depressing the brake pedal.
The steering wheel unlocks and
electrical accessories are opera-
tional.
If the ENGINE START/STOP button
is in the ACC position for more than
1 hour, the button is turned off auto-
matically to prevent battery dis-
charge.
ON
Press the ENGINE START/STOP
button while it is in the ACC position
without depressing the brake pedal.
The warning lights can be checked
before the engine is started. Do not
leave the ENGINE START/STOP
button in the ON position for a long
time. The battery may discharge,
because the engine is not running.
START/RUN
To start the engine, depress the
brake pedal and press the ENGINE
START/STOP button with the shift
lever in the P (Park) or the N
(Neutral) position. For your safety,
start the engine with the shift lever in
the P (Park) position.
If you press the ENGINE
START/STOP button without
depressing the brake pedal, the
engine will not start and the button
will change as follows:
OFF ➔ ACC ➔ON ➔OFF
Green indicatorNot illuminated Orange indicator