fuel additives KIA Optima Hybrid 2014 3.G Owner's Manual

Introduction
41
Gasoline containing MMT
Some gasoline contains harmful
manganese-based fuel additives
such as MMT (Methylcyclopentadi-
enyl Manganese Tricarbonyl).
Kia does not recommend the use of
gasoline containing MMT.
This type of fuel can reduce vehicle
performance and affect your emis-
sion control system.
The malfunction indicator lamp on
the cluster may come on.
Use of MTBE
Kia recommends avoiding fuels con-
taining MTBE (Methyl Tertiary Butyl
Ether) over 15.0% vol. (Oxygen
Content 2.7% weight) in your vehicle.
Fuel containing MTBE over 15.0%
vol. (Oxygen Content 2.7% weight)
may reduce vehicle performance and
produce vapor lock or hard starting.
Do not use methanol
Fuels containing methanol (wood
alcohol) should not be used in your
vehicle. This type of fuel can reduce
vehicle performance and damage
components of the fuel system.
CAUTION
Your New Vehicle LimitedWarranty may not cover damageto the fuel system and any per-formance problems that arecaused by the use of fuels con-taining methanol or fuels con-taining MTBE (Methyl TertiaryButyl Ether) over 15.0% vol.(Oxygen Content 2.7% weight.)

15
Introduction
Fuel Additives
Kia recommends that you use good
quality gasolines treated with deter-
gent additives such as TOP TIER
Detergent Gasoline, which helps
prevent deposit formation in the
engine. These gasolines will help the
engine run cleaner and enhance per-
formance of the Emission Control
System. For more information on
TOP TIER Detergent Gasoline,
please go to the website (www
.top-
tiergas.com).
For Customers who do not use TOP
TIER Detergent Gasoline regularly,
and have problems starting or the
engine does not run smoothly, addi-
tives that you can buy separately
may be added to the gasoline. If TOP
TIER Detergent Gasoline is not avail-
able, one bottle of additive added to
the fuel tank at 7,500 miles or every
engine oil change is recommended.
Additives are available from your
authorized Kia dealer along with
information on how to use them. Do
not mix other additives.
Operation in foreign countries
If you are going to drive your vehicle
in another country, be sure to:
Observe all regulations regarding registration and insurance.
Determine that acceptable fuel is available.

79
Maintenance
NORMAL MAINTENANCE SCHEDULE
The following maintenance services must be performed to ensure good emission control and performance. Keep
receipts for all vehicle emission services to protect your warranty. Where both mileage and time are shown, the fre-
quency of service is determined by whichever occurs first.
*1: If TOP TIER Detergent Gasoline is not available, one bottle of additive is recommended. Additives are available from yourauthorized Kia dealer along with information on how to use them. Do not mix other additives.
*
2: Fuel filter & Fuel tank air filter are considered to be maintenance free\
but periodic inspection is recommended for this mainte- nance schedule depends on fuel quality. If there are some important safety matters like fuel flow restriction, surging, loss of
power, hard starting problem etc, replace the fuel filter immediately regardless of maintenance schedule\
and consult an author-
ized Kia dealer for details.
*
3: The drive belt should be replaced when cracks occur or tension is reduced excessively.
*4: Inspect for excessive tappet noise and/or engine vibration and adjust if necessary.

Index
4I
Economical operation . . . . . . . . . . . . . . . . . . . . . . . . . . 5-44
Emergency starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7Jump starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Push-starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Emission control system . . . . . . . . . . . . . . . . . . . . . . . . 7-91
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . 8-2
Engine compartment. . . . . . . . . . . . . . . . . . . . . . . . . 2-6,7-3
Engine number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-\
25 Changing the engine oil and filter . . . . . . . . . . . . . . 7-26
Checking the engine oil level . . . . . . . . . . . . . . . . . . 7-25
Engine start/stop button . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 ENGINE START/STOP button position . . . . . . . . . . 5-6
Illuminated ENGINE START/STOP button . . . . . . . 5-6
Explanation of scheduled maintenance items . . . . . . . 7-21
Exterior overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Fuel filler lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-28 Closing the fuel filler lid . . . . . . . . . . . . . . . . . . . . . 4-28
Emergency fuel filler lid release . . . . . . . . . . . . . . . 4-30
Opening the fuel filler lid. . . . . . . . . . . . . . . . . . . . . 4-28
Fuel requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Do not use methanol . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Gasoline containing alcohol and methanol . . . . . . . . 1-3
Gasoline containing MMT . . . . . . . . . . . . . . . . . . . . . 1-4
Operation in foreign countries . . . . . . . . . . . . . . . . . . 1-5
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . 7-57 Engine compartment fuse panel . . . . . . . . . . . . . . . 7-66
Engine room (Sub-relay box). . . . . . . . . . . . . . . . . . 7-70
Fuse/relay panel description. . . . . . . . . . . . . . . . . . . 7-62
Instrument fuse panel . . . . . . . . . . . . . . . . . . . . . . . . 7-62
Gross vehicle weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
HEV powertrain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . 4-26 Closing the hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-27
Opening the hood . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26
How to use this manual . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Hybrid Kia Hybrid system . . . . . . . . . . . . . . . . . . . . . . . . . . . H2
State of charge (SOC) . . . . . . . . . . . . . . . . . . . . . . . . H3
Optima hev energy flow . . . . . . . . . . . . . . . . . . . . . . . H4
The componets of hybrid vehicle . . . . . . . . . . . . . . . . H9
The air intake of hybrid battery . . . . . . . . . . . . . . . . H15
The ECO level display mode . . . . . . . . . . . . . . . . . . . H2
The EV MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-84
The ECO GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-55
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