2007 KIA Optima Owner's Manual

463
Driving your vehicle
Manual climate control systemTo defog inside windshield 1. Select any fan speed.
2. Select desired temperature.
3. Select the or position.
4. The outside (fresh) air position will beselected.
If the outside (fresh) air position is not
selected automatically, press the corre-
sponding button manually.
To defrost outside windshield 1. Set the fan speed to the right position.
2. Set the temperature to the extreme hot position.
3. Select the position.
4. The outside (fresh) air position will be selected. 
For maximum defrosting, set the tem-
perature control to the extreme
right/hot position and the fan speed
control to the highest speed.
 If warm air to the floor is desired while
defrosting or defogging, set the mode
to the floor-defrost position.
 Before driving, clear all snow and ice
from the windshield, rear window, out-
side rear view mirrors, and all side win-
dows.
 Clear all snow and ice from the hood
and air inlet in the cowl grill to improve
heater and defroster efficiency and to
reduce the probability of fogging up
inside of the windshield.
WINDSHIELD DEFROSTING AND DEFOGGING
CAUTION
- Windshield
heating
Do not use the or position
during cooling operation inextremely humid weather. The dif-ference between the temperature ofthe outside air and that of the wind-shield could cause the outer sur-face of the windshield to fog up,causing loss of visibility. In thiscase, set the mode selection knobto the position and fan speedcontrol knob to the lower speed.
OMG045055N
OMG045056N

Driving your vehicle64
4Automatic climate control systemTo defog inside windshield 1. Select desired temperature.
2. Press the defrost button ( ).
3. The outside (fresh) air position will be
selected automatically.
If the outside (fresh) air position and
higher fan speed are not selected auto-
matically, adjust the corresponding but-
ton or knob manually.
To defrost outside windshield 1. Set fan speed to the highest (extreme right) position.
2. Set temperature to the extreme hot (HI) position.
3. Press the defrost button ( ).
4. The outside (fresh) air position will be selected automatically. 
For maximum defrosting, set the tem-
perature control to the extreme highest
temperature setting and the fan speed
control to the highest speed.
 If warm air to the floor is desired while
defrosting or defogging, set the mode
to the floor-defrost position.
 Before driving, clear all snow and ice
from the windshield, rear window, out-
side rear view mirrors, and all side win-
dows.
 Clear all snow and ice from the hood
and air inlet in the cowl grill to improve
heater and defroster efficiency and to
reduce the probability of fogging up
inside of the windshield.
CAUTION
- Windshield
heating
Do not use the or position
during cooling operation in extremely humid weather. The dif-ference between the temperature of the outside air and that of the wind-shield could cause the outer sur-face of the windshield to fog up, causing loss of visibility. In thiscase, set the mode selection knob to the position and fan speedcontrol knob to the lower speed.
OMG045057N
OMG045058N

465
Driving your vehicle
Defogging logicManual climate control systemTo reduce the probability of fogging up
the inside of the windshield, the air intake
control is set to the outside (fresh) air
position automatically if any of following
occur.
The mode is set to the , or
while the ignition switch is turned on.
 The ignition switch is turned off.
 The fan is off.
Press the air intake control button to
select the recirculated air position while
the ignition switch is on. How to cancel or return defogging logic
of manual climate control system
1. Turn the ignition switch to the
“ON”
position.
2. Turn the mode selection knob to the defrost position ( ).
3. Push the air intake control button ( ) at least 5 times within 3 sec-
onds. The indicator light in the air intake control
button ( ) will blink 3 times with 0.5
second of interval. It indicates that the
defogging logic is canceled or returned to
the programmed status.
If the battery has been discharged or dis-
connected, it is reset to the defog logic
status.
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Driving your vehicle66
4Automatic climate control systemTo reduce the probability of fogging up
inside of the windshield, the air intake
control is set to outside (fresh) air posi-
tion automatically if any of following
occur.
 The ignition switch is turned on while
the mode is selected to the
,
,
.
 The OFF button is pushed.
 The mode is selected to the or
position.
If you don’t want the outside (fresh) air
position, press the corresponding button
to cancel the operation. How to cancel or return defogging logic
of automatic climate control system
1. Turn the ignition switch to the
“ON”
position.
2. Select the defrost position pressing defrost button ( ).
3. While holding the air conditioning but- ton (A/C) pressed, press the air intake
control button ( ) at least 5 times
within 3 seconds. The A/C display blinks 3 times with 0.5
second of interval. It indicates that the
defogging logic is canceled or returned to
the programmed status.
If the battery has been discharged or dis-
connected, it is reset to the defog logic
status.
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5
Fuel requirements / 5-2
Emission control system / 5-2
Before driving / 5-4
Suggestions for economical operation / 5-5
Special driving conditions / 5-6
Trailer towing / 5-9
Overloading / 5-14
Label information / 5-15
Driving tips

Driving tips25FUEL REQUIREMENTSGasoline engine (unleaded)Your new Kia vehicle is designed to use
only unleaded fuel with a minimum
Octane Rating of 87 Anti-Knock Index
(AKI).✽ ✽NOTICENEVER USE LEADED FUEL. The use
of leaded fuel is detrimental to the cat-
alytic converter and will damage the
engine control system’s oxygen sensor
and affect emission control.
Never add any fuel system cleaning
agents to the fuel tank other than what
Kia has specified. (Consult an
Authorized Kia Dealer for details.)Gasoline containing alcohol and
methanolGasohol, a mixture of gasoline and
ethanol (also known as grain alcohol),
and gasoline or gasohol containing
methanol (also known as wood alcohol)
are being marketed along with or instead
of leaded or unleaded gasoline.
Do not use gasohol containing more than
10% ethanol, and do not use gasoline or
gasohol containing any methanol. Either
of these fuels may cause drivability prob-
lems and damage to the fuel system. Discontinue using gasohol of any kind if
drivability problems occur.
Vehicle damage or driveability problems
may not be covered by the manufactur-
er’s warranty if they result from the use
of:
1. Gasohol containing more than 10%
ethanol.
2. Gasoline or gasohol containing methanol.
3. Leaded fuel or leaded gasohol.
✽ ✽ NOTICENever use gasohol which contains
methanol. Discontinue use of any gaso-
hol product which impairs drivability.
The emission control system of your
vehicle is covered by a written limited
warranty. Please see the warranty infor-
mation contained in the Warranty &
Consumer Information Manual in your
vehicle.Vehicle modifications This vehicle should not be modified.
Modification of your Kia could affect its
performance, safety or durability, may
violate governmental safety and emis-
sions regulations, and void the vehicle’s
warranty.
In addition, damage or performance
problems resulting from any modification
may not be covered under warranty.Engine exhaust gas precautions
(carbon monoxide)
WARNING -
Exhaust
Engine exhaust gases contain car-
bon monoxide (CO). Though color-
less and odorless, it is dangerous
and could be lethal if inhaled.
Follow the instructions following to
avoid CO impairment.EMISSION CONTROL SYSTEM

53
Driving tips
 Carbon monoxide can be present withother exhaust fumes. Therefore, if you
smell exhaust fumes of any kind inside
your vehicle, have it inspected and
repaired immediately. If you ever sus-
pect exhaust fumes are coming into
your vehicle, drive it only with all the
windows fully open. Have your vehicle
checked and repaired immediately.
 Do not operate the engine in confined or closed areas (such as garages) any
more than what is necessary to move
the vehicle in or out of the area.
 When the vehicle is stopped in an open area for more than a short time
with the engine running, adjust the
ventilation system (as needed) to draw
outside air into the vehicle.
 Never sit in a parked or stopped vehi- cle for any extended time with the
engine running.
 When the engine stalls or fails to start, excessive attempts to re-start the
engine may cause damage to the
emission control system.
Operating precautions for catalytic
converters Your vehicle is equipped with a catalytic
converter emission control device.
Therefore, the following precautions
must be observed:
 Use only UNLEADED FUEL for gaso-line engine (unleaded).
 Do not operate the vehicle when there are signs of engine malfunction, such
as misfire or a noticeable loss of per-
formance.
 Do not misuse or abuse the engine. Examples of misuse are coasting with
the ignition off and descending steep
grades in gear with the ignition off.  Do not operate the engine at high idle
speed for extended periods (5 minutes
or more).
 Do not modify or tamper with any part of the engine or emission control sys-
tem. All inspections and adjustments
must be made by an authorized Kia
dealer.
Failure to observe these precautions
could result in damage to the catalytic
converter and to your vehicle.
Additionally, such actions could void your
warranties.
WARNING
- Fire
A hot exhaust system can ignite
flammable items under your vehi-
cle. Do not park the vehicle over or
near flammable objects, such as
grass, vegetation, paper, leaves,
etc.

Driving tips45BEFORE DRIVING Before entering vehicle: Be sure that all windows, outside mir-ror(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
Section 7, Maintenance.
Before starting  Close and lock all doors.
 Position the seat so that all controls areeasily reached.
 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 out.
For safe operation, be sure you are famil-
iar with your vehicle and its equipment.
WARNING
- Driving under
the influence of alcohol or
drugs
Drinking and driving is dangerous.
Drunk driving is the number one
contributor to the highway death
toll each year. Even a small amount
of alcohol will affect your reflexes,
perceptions and judgement. Driving
while under the influence of drugs
is as dangerous or more dangerous
than driving drunk.
You are much more likely to have a
serious accident if you drink or take
drugs and drive.
If you are drinking or taking drugs,
don’t drive. Do not ride with a driv-
er who has been drinking or taking
drugs. Choose a designated driver
or call a cab.