2020 KIA OPTIMA check engine

Features of your vehicle
80
4
Park with engine on to charge
battery
This warning message illuminates
when the hybrid battery power
(SOC) level is low.
In this case, park the vehicle in a
safe location and wait until the hybrid
battery is charged.
Refuel to prevent Hybrid batterydamage
This warning message illuminates
when the fuel tank is nearly empty.
You should refill the fuel tank to pre-
vent hybrid battery damage.
Refill inverter coolant
This warning message illuminates
when the inverter coolant is nearly
empty.
You should refill the inverter coolant.
Stop vehicle and check regen.brakes
This warning message is displayed
when a failure occurs in the brake
system.
In this case, park the vehicle in a
safe location and tow your vehicle to
the nearest authorized Kia dealer
and have the vehicle inspected.
Coasting guide (if equipped)
A chime will sound and the coasting
guide indicator will blink four times to
inform the driver when to take the
foot off the accelerator by anticipat-
ing a decelerating event* based on
an analysis of driving routes and
road conditions based on the naviga-
tion. It encourages the driver to
remove foot from the pedal and allow
coasting down the road with EV
motor only. This helps prevent
unnecessary fuel consumption and
may increases fuel efficiency.
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Features of your vehicle
Parking Brake & BrakeFluid Warning Light
This warning light illuminates:
Once you set the Engine Start/Stop Button to the ON posi-
tion.
- 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 leaks in the
brake system are 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, greater pedal pressure will
be required to stop the vehicle.
Also, the vehicle will require
increased stopping 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.
Driving the vehicle with a warning
light ON is dangerous. If the Parking
Brake & Brake Fluid Warning Light
illuminate 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 deal-
er.

Features of your vehicle
88
4
Malfunction Indicator
Lamp (MIL)
This warning light illuminates:
Once you set the Engine Start/Stop Button to the ON posi-
tion.
- 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.
Charging System
Warning Light
This warning light illuminates:
Once you set the Engine Start/Stop Button to the ON posi-
tion.
- 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 elec-
trical charging system.
In this case, have your vehicle
inspected by an authorized Kia
dealer as soon as possible.
CAUTION - Catalytic
Converter Damage
If the Malfunction Indicator Lamp (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.
CAUTION - Malfunction
Indicator Lamp (MIL)
Driving with the Malfunction Indicator Lamp (MIL) on maycause damage to the emissioncontrol systems which couldaffect drivability and/or fueleconomy.

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Features of your vehicle
Engine Oil PressureWarning Light
This warning light illuminates:
Once you set the Engine Start/Stop Button to the ON posi-
tion.
- 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 chapter 7). If
the level is low, add oil as required.
If the warning light remains on after
adding oil or if oil is not available,
have your vehicle inspected by an
authorized Kia dealer as soon as
possible. If the warning light stays on while the
engine is running, it indicates that
there may be serious engine dam-
age 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 warn- ing light stays on after the engine
is started, turn the engine off
immediately. In this case, have
your vehicle inspected by an
authorized Kia dealer.
Low Tire Pressure
Warning Light
This warning light illuminates:
Once you set the Engine Start/Stop Button to the ON posi-
tion.
- It illuminates for approximately 3seconds and then goes off.
When one or more of your tires are significantly underinflated.
❈ For more details, refer to “Tire
Pressure Monitoring System
(TPMS)” in chapter 6.
CAUTION - Engine
damage
If the engine is not stopped
immediately after the engine oilpressure warning light is illumi-nated and stays on while theengine is running, seriousengine damage may result.

Features of your vehicle
102
4
The 360° camera monitoring system
is not a substitute for proper and safe
parking procedures. The 360° cam-
era monitoring system may not
detect every object surrounding the
vehicle. Always drive safely and use
caution when parking.
The 360° camera monitoring system
can assist in parking by allowing the
driver to see around the vehicle.
Push the button into the [ON] posi-
tion to operate the system.
To cancel the system, push the but-
ton again. Operating conditions
- When the Engine Start/Stop
Button is ON position
- When the transaxle is on D, N or R
- When the vehicle speed is not over 15 km/h (9 mph)
When the vehicle speed is over 15 km/h (9 mph), the 360° camera
monitoring system is turned off. If
the vehicle speed is not over 15
km/h (9 mph) after turning off the
360° camera monitoring system by
over speed, the 360° camera moni-
toring system is not turned on. To
operate again, push the button.
When the vehicle moves back- wards, regardless of On/Off of but-
ton and vehicle speed, the 360°
camera monitoring system is oper-
ated.
When the liftgate and driver/pas- senger door are opened and the
outside mirror is folded, the warn-
ing is illuminated in 360° camera
monitoring system. If the 360° camera monitoring sys-
tem is not operating normally, the
system should be checked by an
authorized Kia dealer.
When the vehicle moves over 15 km/h (9 mph) forward after moving
backward, the 360° camera monitor-
ing system screen will be turned off.
360° CAMERA MONITORING SYSTEM (IF EQUIPPED)
WARNING
This system is a supplementary
function only. It is the responsi-
bility of the driver to always
check the area around the vehi-
cle before and while moving.OJFA045267

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Features of your vehicle
Headlight leveling device
(if equipped)
Automatic type
To ensure the proper headlight beam
is used under various conditions, the
headlight beam levels are automati-
cally adjusted depending on the
number of passengers, the weight in
the trunk, and other driving condi-
tions.
✽ ✽NOTICE
If the headlight beam is irradiated
to the high or low position, have the
system be inspected by an author-
ized Kia dealer.
Do not attempt to inspect or replace
the wiring yourself.
Dynamic Bending Light (DBL)
(if equipped)
Dynamic Bending Light (DBL) uses
the steering angle and vehicle speed,
to keep your field of vision wide by
swiveling and leveling the headlamp.
Change the switch to the AUTO posi-
tion when the engine is running. The
dynamic Bending Light (DBL) will
operate when the headlamp is ON.
To turn off the DBL, change the
switch to other positions. After turn-
ing the DBL off, headlamp swiveling
no longer occurs, but leveling oper-
ates continuously. If the DBL malfunction indicator
comes on, the DBL is not working
properly. Drive to the nearest safe
location and restart the engine. If the
indicator continuously remains on,
have system be checked by an
authorized Kia dealer.
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Features of your vehicle
Auto control (if equipped)
The rain sensor (A) located on the
upper end of the windshield glass
senses the amount of rainfall and
controls the wiping cycle for the
proper interval. The more it rains, the
faster the wiper operates. When the
rain stops, the wipers stop.
To vary the speed setting, turn the
speed control knob (1).If the wiper switch is set in AUTO
mode when the engine start/stop but-
ton is in the ON position, the wiper will
operate once to perform a self-check
of the system. Set the wiper to OFF
position when the wiper is not in use.
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CAUTION
When the engine start/stop but-
ton is in the ON position and thewindshield wiper switch isplaced in the AUTO mode, usecaution in the following situa-tions to avoid damaging the rainsensors on the windshield:
Do not touch the upper end of the windshield glass facing therain sensor.
Do not wipe the upper end of the windshield glass with adamp or wet cloth.
Do not put pressure on the windshield glass.

Driving your vehicle
45
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 under-
neath 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 a
enclosed area for a prolonged
time. Exhaust fumes contain
carbon monoxide, a colorless,
odorless gas that can cause
unconsciousness 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.