2017 KIA OPTIMA PLUG-IN HYBRID oil

ENGINE COMPARTMENT
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1. Engine coolant reservoir..................... ..................... p. 9-28
2. Engine oil filler cap.......................... .......................... p. 9-24
3. Engine oil dipstick........................... ........................... p. 9-24
4. Brake fluid reservoir.................................................. p. 9-30
5. Air cleaner................................. ................................. p. 9-33
6. Fuse box................................... ................................... p. 9-52
7. Inverter coolant reservoir.................... .................... p. 9-27
8. Radiator cap............................... ............................... p. 9-28
9. Windshield washer fluid reservoir............. ............. p. 9-31

3-07
3
Your vehicle at a glance

SEAT BELTS
Seat belt restraint system
WARNING
•For maximum restraint systemprotection, the seat belts must al‐ways be used whenever the vehi‐cle is moving.
•Seat belts are most effective whenseatbacks are in the upright posi‐tion.
•Children age 12 and under must al‐ways be properly restrained in therear seat. Never allow children toride in the front passenger seat. Ifa child over 12 must be seated inthe front seat, he/she must beproperly belted and the seatshould be moved as far back aspossible.
•Never wear the shoulder belt un‐der your arm or behind your back.An improperly positioned shoulderbelt can cause serious injuries in acrash.The shoulder belt should be posi‐tioned midway over your shoulderacross your collarbone.
(Continued)
(Continued)
•Never wear a seat belt over fragileobjects. If there is a sudden stopor impact, the seat belt can dam‐age it.
•Avoid wearing twisted seat belts.A twisted belt can't do its job well.In a collision, it could even cut intoyou. Be sure the belt webbing isstraight and not twisted.
•Be careful not to damage the beltwebbing or hardware. If the beltwebbing or hardware is damaged,replace it.
WARNING
Seat belts are designed to bear uponthe bony structure of the body, andshould be worn low across the frontof the pelvis or the pelvis, chest andshoulders, as applicable; wearing thelap section of the belt across the ab‐dominal area must be avoided.Seat belts should be adjusted asfirmly as possible, consistent withcomfort, to provide the protectionfor which they have been designed.
(Continued)
(Continued)
A slack belt will greatly reduce theprotection afforded to the wearer.Care should be taken to avoid con‐tamination of the webbing with pol‐ishes, oils and chemicals, and partic‐ularly battery acid. Cleaning maysafely be carried out using mild soapand water. The belt should be re‐placed if webbing becomes frayed,contaminated or damaged. It is es‐sential to replace the entire assem‐bly after it has been worn in a se‐vere impact even if damage to theassembly is not obvious. Belts shouldnot be worn with straps twisted.Each belt assembly must only beused by one occupant; it is danger‐ous to put a belt around a child beingcarried on the occupant's lap.
Safety features of your vehicle
4-18

- It remains on until the engine isstarted.
• When there is a malfunction with ei‐ ther the alternator or electrical
charging system.
If there is a malfunction with either thealternator or electrical charging sys‐tem:
1. Drive carefully to the nearest safe location and stop your vehicle.
2. Turn the engine off and check the alternator drive belt for looseness
or breakage.
If the belt is adjusted properly,
there may be a problem in the elec‐
trical charging system.
In every case, we recommend that
you have the vehicle inspected by an authorized Kia dealer as soon as
possible.
Engine oil pressure
warning light
This warning light illumi‐nates:
• Once you set the Engine Start/Stop Button to the ON position.- It remains on until the engine is started.
• When the engine oil pressure is low.
If the engine oil pressure is low:
1. Drive carefully to the nearest safe location and stop your vehicle.
2. Turn the engine off and check the engine oil level (For more details,
refer to L

(Continued)
Because the refrigerant ismildly inflammable and atvery high pressure, theair conditioning systemshould only be servicedby trained and certifiedtechnicians. It is impor‐tant that the correct typeand amount of oil and re‐frigerant is used.Otherwise, it may causedamage to the vehicleand personal injury.
Features of your vehicle
5-136

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.


7-03
7
Driving your vehicle

BEFORE DRIVING
Before entering vehicle
• Be sure that all windows, outsidemirror(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 Chapter 9, Maintenance.
WARNING
Driving while distracted can result ina loss of vehicle control, that maylead to an accident, severe personalinjury, and death. The driver’s pri‐mary responsibility is in the safe andlegal operation of a vehicle, and useof any handheld devices, otherequipment, or vehicle systems which
(Continued)
(Continued)
take the driver’s eyes, attention andfocus away from the safe operationof a vehicle or which are not permis‐sible by law should never be usedduring operation of the vehicle.
Before starting
• Close and lock all doors.
• Position the seat so that all controls
are easily reached.
• Adjust the inside and outside rear‐ view mirrors.
• Be sure that all lights work.
• Check all gauges.
• Check the operation of warning lights when the engine start/stop button
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 fa‐ miliar with your vehicle and its equip‐
ment.
WARNING
All passengers must be properly bel‐ted whenever the vehicle is moving.Refer to L

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