2017 KIA OPTIMA PLUG-IN HYBRID oil change

Plug-in hybrid vehicle........................................................... 7-77
Lane departure warning system (LDWS) .............................7-79 Warning indicator.................................................................. 7-81
The LDWS does not operate when.................................... 7-81
The LDWS may not warn you............................................. 7-81
Lane Keeping Assist System (LKAS) ..................................... 7-83 LKAS operation...................................................................... 7-84
Driver's attention.................................................................. 7-87
LKAS malfunction.................................................................. 7-88
LKAS function change.......................................................... 7-89
Blind spot detection system (BSD) ....................................... 7-91 BSD (Blind spot detection) / LCA (Lane Change
Assist)..................................................................................... 7-91
RCTA (Rear Cross Traffic Alert).......................................... 7-94
Driver's attention.................................................................. 7-96
Economical operation............................................................... 7-97
Special driving conditions......................................................... 7-99 Hazardous driving conditions.............................................. 7-99
Rocking the vehicle............................................................... 7-99
Smooth cornering............................................................... 7-100
Driving at night....................................................................7-100
Driving in the rain............................................................... 7-101
Driving in flooded areas..................................................... 7-101
Driving off-road.................................................................. 7-102
Highway driving...................................................................7-102
Winter driving.......................................................................... 7-103 Snowy or icy conditions..................................................... 7-103
Use high quality ethylene glycol coolant........................ 7-105
Check battery and cables.................................................. 7-105
Change to "winter weight" oil if necessary.................... 7-105 Check spark plugs and ignition system...........................7-105
To keep locks from freezing............................................. 7-105
Use approved window washer anti-freeze in system.. 7-106Don't let your parking brake freeze................................ 7-106
Don't let ice and snow accumulate underneath............ 7-106
Carry emergency equipment............................................ 7-106
Vehicle weight......................................................................... 7-107 Base curb weight................................................................ 7-107
Vehicle curb weight............................................................ 7-107
Cargo weight........................................................................7-107
GAW (Gross axle weight)................................................... 7-107
GAWR (Gross axle weight rating).....................................7-107
GVW (Gross vehicle weight).............................................. 7-107
GVWR (Gross vehicle weight rating)................................7-107
Overloading.......................................................................... 7-107
7

WARNING
nENGINE EXHAUST CAN BE DANGEROUS!
Engine exhaust fumes can be extremely dangerous. If, at any time, you smell exhaust fumes inside the vehicle, open thewindows immediately.•Do not inhale exhaust fumes.Exhaust fumes contain carbon monoxide, a colorless, odorless gas that can cause unconsciousness and death by asphyx‐iation.
•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 underneath side of thevehicle, we recommend that the system be checked by an authorized Kia dealer.
•Do not run the engine in an enclosed area.Letting the engine idle in your garage, even with the garage door open, is a hazardous practice. Never run the engine inyour garage any longer than it takes to start the engine and back the vehicle out.
•Avoid idling the engine for prolonged periods with people inside the vehicle.If it is necessary to idle the engine for a prolonged period with people inside the vehicle, be sure to do so only in an openarea with the air intake set at "Fresh" and fan operating at one of the higher speeds so fresh air is drawn into the interi‐or.
If you must drive with the tailgate/trunk open because you are carrying objects that make this necessary: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 one of the higher speeds.
To assure proper operation of the ventilation system, be sure the ventilation air intakes located just in front of the wind‐shield are kept clear of snow, ice, leaves or other obstructions.


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7
Driving your vehicle

OWNER MAINTENANCE
The following lists are vehicle checks
and inspections that should be per‐
formed at the frequencies indicated to help ensure safe, dependable operation
of your vehicle.
Any adverse conditions should be
brought to the attention of your dealer as soon as possible.
These Owner Maintenance Checks are
generally not covered by warranties
and you may be charged for labor, parts and lubricants used.
Owner maintenance schedule
When you stop for fuel:
• Check the engine oil level.
• Check the coolant level in the coolant reservoir.
• Check the windshield washer fluid level.
• Look for low or under-inflated tires.
WARNING
Be careful when checking your en‐gine coolant level when the engine ishot. Scalding hot coolant and steam
(Continued)
(Continued)
may blow out under pressure. Thiscould cause burns or other seriousinjury.
While operating your vehicle:
• Note any changes in the sound of the exhaust or any smell of exhaust
fumes in the vehicle.
• Check for vibrations in the steering wheel. Notice any increased steering
effort or looseness in the steering
wheel, or change in its straight-
ahead position.
• Notice if your vehicle constantly turns slightly or L

EXPLANATION OF SCHEDULED MAINTENANCE ITEMS
Engine oil and filter
The engine oil and filter should be
changed at the intervals specified in the maintenance schedule. If the vehi‐
cle is being driven in severe conditions,
more frequent oil and filter changes are required.
HSG (hybrid starter &
generator) belt
The HSG belt should be changed at the
intervals specified in the maintenance schedule.
Fuel filter (for gasoline)
Kia gasoline vehicle is equipped a life‐
time fuel filter that integrated with the fuel tank. Regular maintenance or re‐
placement is not needed but depends
on fuel quality. If there are some im‐ portant safety matters like fuel flow
restriction, surging, loss of power, hard
starting problem etc, fuel filter inspec‐ tion or replace is needed.
We recommend that the fuel filter be
Inspected or replaced by an authorized
Kia dealer.
Fuel lines, fuel hoses and
connections
Check the fuel lines, fuel hoses and
connections for leakage and damage. We recommend that the fuel lines, fuel
hoses and connections be replaced by
an authorized Kia dealer.
Vapor hose (for gasoline engine)
and fuel filler cap
The vapor hose and fuel filler cap
should be inspected at those intervals
specified in the maintenance schedule.
Make sure that a new vapor hose or
fuel filler cap is correctly replaced.
Vacuum crankcase ventilation
hoses (if equipped)
Inspect the surface of hoses for evi‐
dence of heat and/or mechanical dam‐ age. Hard and brittle rubber, cracking,
tears, cuts, abrasions, and excessive
swelling indicate deterioration. Particu‐ lar attention should be paid to examine
those hose surfaces nearest to high
heat sources, such as the exhaust manifold. Inspect the hose routing to assure that
the hoses do not come in contact with
any heat source, sharp edges or mov‐ ing component which might cause heat
damage or mechanical wear. Inspect all
hose connections, such as clamps and couplings, to make sure they are se‐
cure, and that no leaks are present. Ho‐
ses should be replaced immediately if there is any evidence of deterioration
or damage.
Air cleaner filter
We recommend that the air cleaner fil‐
ter be replaced by an authorized Kia dealer.
Spark plugs (for gasoline engine)
Make sure to install new spark plugs of
the correct heat range.
WARNING
Do not disconnect and inspect sparkplugs when the engine is hot. Youmay burn yourself.

9-21
9
Maintenance

Recommended SAE viscosity number
CAUTION
Always be sure to clean the area around any filler plug, drain plug, or dipstick before checking or draining any lubricant.This is especially important in dusty or sandy areas and when the vehicle is used on unpaved roads. Cleaning the plug anddipstick areas will prevent dirt and grit from entering the engine and other mechanisms that could be damaged.
Engine oil viscosity (thickness) has an effect on fuel economy and cold weather operating (engine start and engine oil flowabil‐
ity). Lower viscosity engine oils can provide better fuel economy and cold weather performance, however, higher viscosity en‐ gine oils are required for satisfactory lubrication in hot weather.
Using oils of any viscosity other than those recommended could result in engine damage. When choosing an oil, consider the
range of temperature your vehicle will be operated in before the next oil change. Proceed to select the recommended oil vis‐ cosity from the chart.
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*1 : For better fuel economy, it is recommended to use the engine oil of a viscosity grade SAE 5W-30 (ACEA A5). However, if
the engine oil is not available in your country, select the proper engine oil using the engine oil viscosity chart.

Specifications & Consumer information
10-12