2008 KIA Optima engine

Driving your vehicle24 4INSTRUMENT CLUSTER
1. Tachometer
2. Turn signal indicators
3. Speedometer
4. Engine temperature gauge
5. Warning and indicator lights
6. Odometer / Tripmeter
7. Shift position indicator
(Automatic transaxle only)
8. Fuel gauge
OMG047902C
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425
Driving your vehicle
Speedometer The speedometer indicates the forward
speed of the vehicle.OdometerThe odometer indicates the total dis-
tance the vehicle has been driven.
TripmeterYou can choose the tripmeter A and trip-
meter B by pressing the tripmeter mode
button.
TRIP A: Tripmeter A (if equipped)
TRIP B: Tripmeter B (if equipped)
The tripmeter indicates the distance of
individual trips selected by the driver.
Tripmeter A and B can be reset to 0 by
pressing the reset button for 1 second or
more, and then releasing.
Tachometer The tachometer indicates the approxi-
mate number of engine revolutions per
minute (rpm).
Use the tachometer to select the correct
shift points and to prevent lugging and/or
over-revving the engine.
The tachometer pointer may move slight-
ly when the ignition switch is in ACC or
ON position with the engine OFF. This
movement is normal and will not affect
the accuracy of the tachometer once the
engine is running.✽ ✽
NOTICEDo not operate the engine within the
tachometer's RED ZONE.
This may cause severe engine damage.
GAUGES
OMG045014

Driving your vehicle26 4Fuel gaugeThe fuel gauge indicates the approxi-
mate amount of fuel remaining in the fuel
tank.
Fuel tank capacity - 62 liters
(16.38 gallons)
The fuel gauge is supplemented by a low
fuel warning light, which will illuminate
when the fuel level has dropped to about
7~8 liters (1.8~2.1 gallons).
Engine temperature gauge This gauge shows the temperature of the
engine coolant when the ignition switch
is ON.
Do not continue driving with an overheat-
ed engine. If your vehicle overheats, refer
to “Overheating” in the Index.✽ ✽
NOTICEIf the gauge pointer moves beyond the
normal range area toward the “H” posi-
tion, it indicates overheating that may
damage the engine.
Trip computer (if equipped)Trip computer is a microcomputer-con-
trolled driver information system that dis-
plays information related to driving on the
LCD.
1MGH4920N
Type AType B

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Driving your vehicle
ModeEach push of the button (TRIP) changes
the display as follows:
Tripmeter (km or MI)This mode indicates the total distance
traveled since the last tripmeter reset.
The meter's working range is from 0.0 to
999.9 km (mile).
Pressing the TRIP button for more than 1
second, when the tripmeter is being dis-
played, clears the tripmeter to zero.
Driving timeThis mode displays the total time elepsed
from engine start to key OFF conditions.
When the “TRIP” switch is pushed, it will
reset to 0:00.
Reset
Push “TRIP” for more than 1 second to
initialize the displayed information such
as average speed and driving time.
OMG045014
1MGH4922
Type AType B
DISTANCE TO EMPTYAMBIENT TEMPERATURE
TRIPMETER
AVERAGE VEHICLE SPEED
DRIVING TIME
1MGH4923N
Type AType B

Driving your vehicle28 4Average vehicle speedThis mode displays the average vehicle
speed, and is reset to 0 km/h (0 mph)
when the ignition key is turned OFF.
Distance to empty (km or MI)This mode indicates the estimated dis-
tance to empty from the current fuel in
the fuel tank. When the remaining dis-
tance is below 50 km (30 miles), a blink-
ing “----” symbol will be displayed.
The distance to empty value will be
affected by factors such as driving condi-
tions, driving habits, and engine condi-
tion.
Ambient temperature (°C or °F)
(if equipped)This mode indicates the current ambient
temperature. The meter’s working range -
40°C (-40°F) to 80°C (176°F)
1MGH4924N
Type AType B
1MGH4926N
Type AType B
1MGH4921N
Type AType B

Driving your vehicle30 4Warning lights / audible indicators Checking operation All warning lights are checked by turning
the ignition switch ON (do not start the
engine). Any light that does not illuminate
should be checked by an authorized Kia
dealer.
After starting the engine, check to make
sure that all warning lights are off. If any
are still on, this indicates a situation that
needs attention. When releasing the
parking brake, the brake system warning
light should go off. The fuel warning light
will stay on if the fuel level is low.Anti-lock brake system
(ABS) warning light (if
equipped) This light illuminates if the key is turned
to ON and goes off in approximately 3
seconds if the system is operating nor-
mally.
If the light stays on, you may have a
problem with your ABS. Contact an
authorized Kia dealer as soon as possi-
ble.
Electronic brake force
distribution (EBD) sys-
tem warning
(if equipped)If ABS and BRAKE warning lights illumi-
nate at the same time while driving, your
vehicle has a problem with the ABS and
EBD system.
In this case, your ABS and regular brake
system may not work normally. Have the
vehicle checked by an authorized Kia
dealer as soon as possible.
Engine oil pressure
warning This warning light indicates the engine oil
pressure is low.
If the warning light illuminates while driv-
ing:
1. Drive safely to the side of the road and
stop.
2. With the engine off, check the engine
oil level. If the level is low, add oil as
required.
If the warning light remains on after
adding oil or if oil is not available, call an
authorized Kia dealer.✽ ✽
NOTICEIf the engine is not stopped immediately,
severe damage could result.
WARNINGS AND INDICATORS
ABS
ABS
WARNING
- Brake indica-
tors
If the both ABS and Brake warning
lights are ON and stay ON, your
vehicle’s brake system will not work
normally. You may experience an
unexpected and dangerous situa-
tion during sudden braking. In this
case, avoid high speed driving and
abrupt braking. Have your vehicle
checked by Authorized Kia Dealer
as soon as possible.

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Driving your vehicle
Charging system
warning This warning light indicates a malfunction
of either the generator or electrical
charging system.
If the warning light comes on while the
vehicle is in motion:
1. Drive to the nearest safe location.
2. With the engine off, check the genera-
tor drive belt for looseness or break-
age.
3. If the belt is adjusted properly, a prob-
lem exists somewhere in the electrical
charging system. Have an authorized
Kia dealer correct the problem as soon
as possible.
Safety belt warning As a reminder to the driver and passen-
ger, safety belt warning light will blink for
approximately 6 seconds each time you
turn the ignition switch ON.
If the driver's lap/shoulder belt is not fas-
tened when the key is turned ON or if it is
disconnected after the key is turned ON,
the safety belt warning light will blink for
approximately 6 seconds.
If the driver’s lap/shoulder belt is not fas-
tened when you drive over 10 km/h, the
safety belt warning light will blink for 6
seconds. This cycle will repeat 11 times
with an interval of 24 seconds between
cycles.
If the system does not operate as
described, see an authorized Kia dealer
for assistance.
Shift pattern indicators
(if equipped)The individual indicators illuminate to
show the automatic transaxle shift lever
selection.Hot temperature
warning (if equipped)This warning light illuminates if the tem-
perature of the engine coolant is hot.
Do not continue driving with an overheat-
ed engine. If your vehicle overheats, refer
to “Overheating” in the Index.✽ ✽
NOTICEIf the hot temperature indicator illumi-
nates, it indicates overheating that may
damage the engine.

Driving your vehicle32 4Immobilizer indicator
(if equipped)This light illuminates when the immobiliz-
er key is inserted and turned to the ON
position to start the engine.
At this time, you can start the engine. The
light goes out after the engine is running.
In case this light goes out before you
start the engine, you must turn to the
LOCK position and restart the engine.
If this light blinks when the ignition switch
is in the ON position before starting the
engine, have the system checked by an
authorized Kia dealer.
Parking brake & brake
fluid warning Parking brake warning This light is illuminated when the parking
brake is applied with the ignition switch in
the START or ON position. The warning
light should go off when the parking
brake is released.Low brake fluid level warningIf the warning light remains on, it may
indicate that the brake fluid level in the
reservoir is low.
If the warning light remains on:
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. Then check all brake
components for fluid leaks.
3. Do not drive the vehicle if leaks are
found, the warning light remains on or
the brakes do not operate properly.
Have it towed to any authorized Kia
dealer for a brake system inspection
and necessary repairs.To check bulb operation, check whether
the parking brake and brake fluid warning
light illuminates when the ignition switch
is in the ON position.
WARNING
Driving the vehicle with a brake
warning light on is dangerous. If the
brake warning light remains on,
have the brakes checked and
repaired immediately by an author-
ized Kia dealer.