2017 KIA OPTIMA PLUG-IN HYBRID Owners Manual

PARKING BRAKE (IF EQUIPPED)
Checking the parking brake
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Check whether the stroke is within
specification when the parking brake pedal is depressed with 30 kg (66 lb,
294N) of force. Also, the parking brake
alone should securely hold the vehicle on a fairly steep grade. If the stroke is
more or less than specified, we recom‐
mend that the system be serviced by an authorized Kia dealer.
Stroke : 6~7 notch
Maintenance
9-32

AIR CLEANER
Filter replacement
It must be replaced when necessary,
and should not be washed.
You can clean the filter when inspecting the air cleaner element.
Clean the filter by using compressed
air.
1. Pull out the air cleaner cover.
2. Unlock by turning the locking lever downward.
3. Pull the air cleaner filter to replace.

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Maintenance

4. Lock the cover with the reverse or‐der.
Replace the filter according to the
Maintenance Schedule.
If the vehicle is operated in extremely dusty or sandy areas, replace the ele‐
ment more often than the usual rec‐
ommended intervals. (Refer to L

CLIMATE CONTROL AIR FILTER
Filter inspection
The climate control air filter should bereplaced according to the maintenance
schedule. If the vehicle is operated in
severely air-polluted cities or on dusty rough roads for a long period, it should
be inspected more frequently and re‐
placed earlier. When you replace the cli‐ mate control air filter, replace it per‐
forming the following procedure, and
be careful to avoid damaging other components.
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1. Open the glove box and remove the stoppers on both sides.
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2. With the glove box open, pull thesupport strap (1).
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3. Remove the climate control air fil‐ter cover while pressing the lock on
the right side of the cover.
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4. Replace the climate control air fil‐ ter.
5. Reassemble in the reverse order of disassembly.
NOTICE
When replacing the climate control
air filter install it properly. Other‐
wise, the system may produce noise
and the effectiveness of the filter
may be reduced.

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9
Maintenance

WIPER BLADES
Blade inspection
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NOTICE
Commercial hot waxes applied by
automatic car washes have been
known to make the windshield diffi‐
cult to clean.
Contamination of either the windshield
or the wiper blades with foreign matter can reduce the effectiveness of the
windshield wipers. Common sources of
contamination are insects, tree sap, and hot wax treatments used by some
commercial car washes. If the blades
are not wiping properly, clean both the window and the blades with a good
cleaner or mild detergent, and rinse
thoroughly with clean water.
CAUTION
To prevent damage to the wiperblades, do not use gasoline, kero‐sene, paint thinner, or other solventson or near them.
Blade replacement
When the wipers no longer clean ade‐
quately, the blades may be worn or cracked, and require replacement.
CAUTION
To prevent damage to the wiperarms or other components, do not
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attempt to move the wipers man‐ually.
CAUTION
The use of a non-specified wiperblade could result in wiper malfunc‐tion and failure.
Maintenance
9-36

Front windshield wiper blade
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For your convenience, move the wind‐
shield wiper blades to the service posi‐ tion as follows;
After turning off the engine, move the
wiper switch to the single wiping (MIST)
position within 20 seconds and hold the switch more than 2 seconds until the
wiper blade is in the fully up position.
CAUTION
Do not allow the wiper arm to fallagainst the windshield, since it maychip or crack the windshield.
Type A
0).
0).
1. Raise the wiper arm. 2. Lift up the wiper blade clip. Then
pull down the blade assembly and
remove it.
3. Install the new blade assembly.
4. Return the wiper arm on the wind‐ shield.
5. Turn ignition to the ON position and wiper arms will return to the nor‐
mal operating position.
Type B
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1. Raise the wiper arm and turn the wiper blade assembly to expose
the plastic locking clip.

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Maintenance

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2. Compress the clip and slide theblade assembly downward.
3. Lift it off the arm.
4. Install the new blade assembly. 5. Return the wiper arm on the wind‐
shield.
6. Turn ignition to the ON position and wiper arms will return to the nor‐
mal operating position.
Maintenance
9-38

BATTERY
For best battery service
• Keep the battery securely mounted.
• Keep the battery top clean and dry.
• Keep the terminals and connectionsclean, tight, and coated with petrole‐
um jelly or terminal grease.
• Rinse any spilled electrolyte from the battery immediately with a solution
of water and baking soda.
• If the vehicle is not going to be used for an extended time, disconnect the
battery cables.
NOTICE
Basically equipped battery is main‐
tenance free type. If your vehicle is
equipped with the battery marked
with LOWER and UPPER on the side,
you can check the electrolyte level.
The electrolyte level should be be‐
tween LOWER and UPPER. If the
electrolyte level is low, it needs to
add distilled (demineralized) water
(Never add sulfuric acid or other
electrolyte). When refill, be careful
not to splash the battery and adja‐
cent components. And do not overfill
the battery cells. It can cause corro‐
sion on other parts. After then en‐
sure that tighten the cell caps. We
recommend that you contact an au‐
thorized Kia dealer.
WARNING
nBattery dangers
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Always read the followinginstructions carefully whenhandling a battery.
Keep lighted cigarettes andall other flames or sparksaway from the battery.
Hydrogen, a highly com‐bustible gas, is alwayspresent in battery cells andmay explode if ignited.
Keep batteries out of thereach of children becausebatteries contain highlycorrosive SULFURIC ACID.Do not allow battery acidto contact your skin, eyes,clothing or paint finish.
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Maintenance