2017 KIA OPTIMA PLUG-IN HYBRID Owners Manual

Engine compartment................................................................ 9-03
Maintenance services............................................................... 9-04Owner’s responsibility.......................................................... 9-04
Owner maintenance precautions....................................... 9-04
Owner maintenance................................................................. 9-06 Owner maintenance schedule.............................................9-06
Scheduled maintenance service............................................. 9-08 Scheduled maintenance service precaution..................... 9-08
Normal maintenance schedule - for gasoline en‐ gine [for Europe (except Russia)].......................................9-09
Normal maintenance schedule - for gasoline en‐ gine [for Europe (except Russia)] (Continued)................. 9-10
Maintenance under severe usage conditions - for gasoline engine [for Europe (except Russia)]...................9-12
Normal maintenance schedule - for gasoline en‐ gine [except Europe (including Russia)]............................ 9-14
Normal maintenance schedule - for gasoline en‐ gine [except Europe (including Russia)] (Continued).......9-15
Maintenance under severe usage conditions - for gasoline engine [except Europe (including Russia)]........ 9-18
Explanation of scheduled maintenance items..................... 9-21 Engine oil and filter............................................................... 9-21
HSG (hybrid starter & generator) belt.............................. 9-21
Fuel filter (for gasoline)....................................................... 9-21
Fuel lines, fuel hoses and connections.............................. 9-21
Vapor hose (for gasoline engine) and fuel filler cap........9-21
Vacuum crankcase ventilation hoses ................................9-21
Air cleaner filter.....................................................................9-21
Spark plugs (for gasoline engine)....................................... 9-21
Cooling system...................................................................... 9-22 Coolant (Engine/Inverter).................................................... 9-22
Automatic transaxle fluid.................................................... 9-22
Brake hoses and lines........................................................... 9-22
Brake fluid ............................................................................. 9-22
Parking brake ........................................................................ 9-22
Brake discs, pads, calipers and rotors............................... 9-22
Suspension mounting bolts................................................. 9-22Steering gear box, linkage & boots/lower arm
ball joint.................................................................................. 9-22
Drive shafts and boots......................................................... 9-22
Air conditioning refrigerant................................................. 9-23
Engine oil.....................................................................................9-24 Checking the engine oil level................................................9-24
Changing the engine oil and filter...................................... 9-24
Coolant........................................................................................ 9-26 Checking the coolant level................................................... 9-26
Engine coolant....................................................................... 9-27
Inverter coolant..................................................................... 9-27
Recommended coolant.........................................................9-28
Changing the coolant............................................................ 9-29
Brake fluid ................................................................................. 9-30 Checking the brake fluid level............................................. 9-30
Washer fluid............................................................................... 9-31 Checking the washer fluid level.......................................... 9-31
Parking brake ............................................................................ 9-32 Checking the parking brake................................................. 9-32
Air cleaner.................................................................................. 9-33 Filter replacement.................................................................9-33
Climate control air filter........................................................... 9-35 Filter inspection..................................................................... 9-35
Maintenance

9

Wiper blades...............................................................................9-36Blade inspection.................................................................... 9-36
Blade replacement................................................................ 9-36
Battery........................................................................................9-39 For best battery service...................................................... 9-39
Battery capacity label.......................................................... 9-40
Battery recharging................................................................9-41
Reset items............................................................................ 9-41
Tires and wheels....................................................................... 9-43 Tire care.................................................................................. 9-43
Recommended cold tire inflation pressures..................... 9-43
Checking tire inflation pressure.......................................... 9-44
Tire rotation........................................................................... 9-45
Wheel alignment and tire balance...................................... 9-46
Tire replacement................................................................... 9-46
Wheel replacement............................................................... 9-47
Tire traction........................................................................... 9-48
Tire maintenance.................................................................. 9-48
Tire sidewall labeling............................................................ 9-48
Low aspect ratio tire ........................................................... 9-51
Fuses........................................................................................... 9-52 Inner panel fuse replacement............................................. 9-53
Engine compartment fuse replacement........................... 9-54
Fuse/relay panel description............................................... 9-56
Light bulbs.................................................................................. 9-70 Bulb replacement precaution.............................................. 9-70
Light bulb position (front)................................................... 9-72
Light bulb position (rear)..................................................... 9-73
Light bulb position (side)......................................................9-73
Headlamp (HID type) bulb replacement............................ 9-74 Headlamp (low beam) bulb replacement.......................... 9-74
Headlamp (high beam) bulb replacement......................... 9-75
Headlamp (high/low beam) LED replacement..................9-76
Front turn signal lamp bulb replacement......................... 9-76
Position lamp + DRL (LED type) bulb replacement..........9-77
Side repeater lamp bulb replacement............................... 9-77
Rear turn signal lamp bulb replacement........................... 9-77
Stop and tail lamp (LED type) bulb replacement............. 9-79
Back-up lamp bulb replacement........................................ 9-79
License plate lamp bulb replacement................................ 9-80
High mounted stop lamp bulb replacement..................... 9-81
Map lamp bulb replacement................................................ 9-81
Vanity mirror lamp bulb replacement............................... 9-81
Room lamp bulb replacement............................................. 9-82
Personal lamp bulb replacement........................................ 9-83
Glove box lamp bulb replacement...................................... 9-83
Trunk lamp bulb replacement............................................. 9-83
Appearance care........................................................................9-85 Exterior care.......................................................................... 9-85
Interior care........................................................................... 9-89
Emission control system ........................................................ 9-91 Crankcase emission control system.................................. 9-91
Evaporative emission control system............................... 9-91
Exhaust emission control system...................................... 9-91


9

ENGINE COMPARTMENT
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1. Engine coolant reservoir
2. Engine oil filler cap
3. Engine oil dipstick
4. Brake fluid reservoir
5. Air cleaner
6. Fuse box
7. Inverter coolant reservoir
8. Radiator cap
9. Windshield washer fluid reservoir

9-03
9
Maintenance

MAINTENANCE SERVICES
You should exercise the utmost care to
prevent damage to your vehicle and in‐
jury to yourself whenever performing any maintenance or inspection proce‐
dures.
Inadequate, incomplete or insufficient
servicing may result in operational problems with your vehicle that could
lead to vehicle damage, an accident, or
personal injury.
Owner’s responsibility
NOTICE
Maintenance Service and Record Re‐
tention are the owner's responsibili‐
ty.
We recommend in general that you
have your vehicle serviced by an au‐ thorized Kia dealer.
You should retain documents that show
proper maintenance has been per‐
formed on your vehicle in accordance with the scheduled maintenance serv‐
ice charts shown on the following pa‐
ges. You need this information to establish
your compliance with the servicing and
maintenance requirements of your ve‐
hicle warranties.
Detailed warranty information is provi‐ ded in your Warranty & Maintenance
book.
Repairs and adjustments required as a
result of improper maintenance or a lack of required maintenance are not
covered when your vehicle is covered bywarranty.
Owner maintenance precautions
Improper or incomplete service may re‐
sult in problems. This section gives in‐ structions only for the maintenance
items that are easy to perform.
NOTICE
Improper owner maintenance during
the warranty period may affect
warranty coverage. For details, read
the separate Warranty & Mainte‐
nance book provided with the vehi‐
cle. If you're unsure about any serv‐
icing or maintenance procedure, we
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recommend that the system be
serviced by an authorized Kia dealer.
WARNING
nMaintenance work
•Performing maintenance work ona vehicle can be dangerous. Youcan be seriously injured while per‐forming some maintenance proce‐dures. If you lack sufficient knowl‐edge and experience or the propertools and equipment to do thework, we recommend that thesystem be serviced by an author‐ized Kia dealer.
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Maintenance
9-04

(Continued)
•Working under the hood with theengine running is dangerous. It be‐comes even more dangerous whenyou wear jewelry or loose clothing.These can become entangled inmoving parts and result in injury.Therefore, if you must run the en‐gine while working under the hood,make certain that you remove alljewelry (especially rings, bracelets,watches, and necklaces) and allneckties, scarves, and similar looseclothing before getting near theengine or cooling fans.
CAUTION
•Do not put heavy objects or applyexcessive force on top of the en‐gine cover (if equipped) or fuel re‐lated parts.
•When you inspect the fuel system(fuel lines and fuel injection devi‐ces), we recommend that you con‐tact an authorized kia dealer.
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•Do not drive long time with the en‐gine cover (if equipped) removed.
•When checking the engine room,do not go near fire.Fuel, washer fluid, etc. are flam‐mable oils that may cause fire.
•Before touching the battery, igni‐tion cables and electrical wiring,you should disconnect the battery"-" terminal. You may get an elec‐tric shock from the electric cur‐rent.
•When you remove the interior trimcover with a flat bed (-) driver, becareful not to damage the cover.
•Be careful when you replace andclean bulbs to avoid burns or elec‐trical shock.

9-05
9
Maintenance

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
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(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

• Check for worn tires and loose wheellug nuts.
At least once a year:
• Clean the body and door drain holes.
• Lubricate the door hinges and checks,and hood hinges.
• Lubricate the door and hood locks and latches.
• Lubricate the door rubber weather‐ strips.
• Check the air conditioning system.
• Inspect and lubricate the automatic transaxle linkage and controls.
• Clean the battery and terminals.
• Check the brake fluid level.

9-07
9
Maintenance