2016 KIA Optima Hybrid check engine

457
Features of your vehicle
Auto Door Unlock (if equipped)
Off:The auto door unlock operation will
be canceled.
Key Out or Power Off: All doors will be automatically
unlocked when the ignition key is
removed from ignition switch or
Engine Start/Stop Button is set to
the OFF position.
Shift Lever: All doors will be automatically
unlocked if the automatic transaxle
shift lever is shifted to the P (Park)
position. Two Press Unlock (if equipped)
Off:
The two press unlock function will
be deactivated. Therefore, all doors
will unlock if the door is unlocked.
On: The driver’s door will unlock if the
door is unlocked. When the door is
unlocked again within 4 seconds,
all doors will unlock.
Horn Feedback (if equipped)
Off: The Horn feedback operation will
be deactivated.
On: After locking the door by pressing
the lock button on the transmitter, if
you press the lock button again
within 4 seconds, the warning
sound will operate once to indicate
that all doors are locked.Lamp
One Touch Turn Lamp (if equipped)
If this item is checked, the lane
change signals will blink 3, 5 or 7
times when the turn signal lever is
moved slightly.
Head Lamp Delay (if equipped)
If this item is checked, the headlamp
delay function will be activated.
Welcome Light (if equipped)
If this item is checked, the welcome
light function will be activated.

461
Features of your vehicle
Press START button again
This warning message illuminatesif you can not operate the Engine
Start/Stop Button when there is a
problem with the Engine Start/Stop
Button system.
It means that you could start the engine by pressing the Engine
Start/ Stop Button once more.
If the warning illuminates each time you press the Engine
Start/Stop Button, have your vehi-
cle inspected by an authorized Kia
dealer.
Press start button with smart key
This warning message illuminatesif you press the Engine Start/Stop
Button while the warning message
"Key not detected" is illuminating.
At this time, the immobilizer indica- tor light blinks.
Check BRAKE SWITCH fuse
This warning message illuminatesif the brake switch fuse is discon-
nected.
It means that you should replace the fuse with a new one. If that is
not possible, you can start the
engine by pressing the Engine
Start/Stop Button for 10 seconds in
the ACC position.
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Features of your vehicle
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4
Check brakes
‘Check brake' is displayed when the
brake function is not well or the
regenerative brake system is not
operated with brake system malfunc-
tion. Refer to the "Brake system
warning light" in this chapter.
Check charging system
This warning illuminates when a mal-
function is detected with the Charging
System.
✽ ✽
NOTICE
When the high voltage battery
power is low, the warning may
occur. In that time, the warning may
disappear when the battery is
charged by engine.
Check active air flap system
This warning will be illuminated as
follow;
- When the actuator flap malfunction
is detected
- When the actuator air flap con- troller malfunction detected
- In a condition opening the air flap, if the air flap is not open.
When the all conditions illuminating
the warning are cleared, the warning
will be off.
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WARNING
Driving with the 'check brake' on
is dangerous. If this occurs,
have your vehicle checked by an
authorized Kia dealer as soon
as possible.
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465
Features of your vehicle
✽
✽NOTICE
In winter, the warning may not illu-
minate immediately.
The active air flap system is even
normal condition, the warning or
warning indicator(MIL) may be
turned on. In that time, check the
flap frozen condition or attached
materials.
If the flap is frozen in winter, the
warning indicator(MIL) may be
turned on without warning contents.
Refuel to prevent Hybrid battery
damage
If the fuel tank is nearly empty, a
message “Refuel to prevent Hybrid
battery damage” will appear on the
LCD display. Also, the chime will
sound several times.
You must stop and obtain additional
fuel as soon as possible.
Check hybrid system stop vehicleand tarn off engine
If the hybrid system error occurs, a
message Check hybrid system stop
vehicle and tarn off engine will
appear on the LCD display and the
Ready indicator will blink. Also, the
chime will sound until the problem is
solved.
In this case, have your vehicle towed
to an authorized Kia dealer and
inspect the hybrid system.
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CAUTION
Avoid driving with very low fuellevel. Running out of fuel coulddamage the hybrid battery.

Features of your vehicle
66
4
Stop vehicle to charge battery
If the SOC (State Of Charge) is very
low, a message Stop vehicle to
charge battery will appear on the
LCD display.
To charge the hybrid battery, stop in
a safe place and move the shift gear
to the P(Park) position as soon as
possible.
Check hybrid system Do not start
engine
If the engine does not start and SOC
(State Of Charge) is very low or vehi-
cle defects the hybrid system's prob-
lem. a message will appear on the
LCD display. Also, the chime will
sound until the problem is solved.
In this case, have your vehicle towed
to an authorized Kia dealer and
inspect the hybrid system.
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Features of your vehicle
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4
Parking Brake & Brake
Fluid 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.

475
Features of your vehicle
Charging SystemWarning 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 whenthe Engine Coolant TemperatureWarning Light is illuminated orthe engine is overheated.Continuing to drive the vehiclewhile it is overheated may dam-age the engine.

Features of your vehicle
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If the warning light stays on while
the engine is running, it indicates
that there may be serious engine
damage or malfunction. 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 oil level is low, fill
the engine oil to the proper level.
3. Start the engine again. If the warning light stays on after the
engine is started, turn the
engine off immediately. In this
case, have your vehicle inspect-
ed by an authorized Kia
Premium dealer.
Low Fuel Level Warning
Light
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- 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).
CAUTION - Engine dam-
age
If the engine does not stopimmediately after the engine oilpressure warning light is illumi-nated and stays on while theengine is running, seriousengine damage may result.