2017 KIA OPTIMA PLUG-IN HYBRID engine

SCHEDULED MAINTENANCE SERVICE
Scheduled maintenance service
precaution
Follow the Normal Maintenance Sched‐
ule if the vehicle is usually operated
where none of the following conditions apply. If any of the following conditions
apply, follow the Maintenance Under
Severe Usage Conditions. • Repeated driving short distance of less than 8 km (5 miles) in normaltemperature or less than 16 km
(10 miles) in freezing temperature
• Extensive engine idling or low speed driving for long distances
• Driving on rough, dusty, muddy, un‐ paved, graveled or salt-spread roads
• Driving in areas using salt or other corrosive materials or in very cold
weather
• Driving in heavy dust condition
• Driving in heavy traffic area
• Driving on uphill, downhill, or moun‐ tain road repeatedly
• Towing a trailer or using a camper, or roof rack
• Driving as a patrol car, taxi, other commercial use of vehicle towing
• Driving over 170 km/h (106 mph) • Frequently driving in stop-and-go
condition
If your vehicle is operated under the
above conditions, you should inspect,
replace or refill more frequently than the following Normal Maintenance
Schedule. After the periods or distance
shown in the chart, continue to follow the prescribed maintenance intervals.
Maintenance
9-08

NORMAL MAINTENANCE SCHEDULE - FOR GASOLINE ENGINE [FOR EUROPE (EXCEPT RUSSIA)]
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 frequency of service is determined by whichever occurs first.
NO.ITEMREMARK
*1 Coolant (Engine / Inverter) When adding coolant, use only deionized water or soft water for your vehicle
and never mix hard water in the coolant filled at the factory. An improper
coolant mixture can result in serious malfunction or engine damage.
*2 Engine oil and engine oil filter Check the engine oil level and leak every 500 km (350 miles) or before start‐ing a long trip.
*3 Fuel additives (Gasoline) Kia recommends that you use unleaded gasoline which has an octane rating
of RON (Research Octane Number) 95 / AKI (Antiknock Index) 91 or higher
(for Europe) or Octane Rating of RON (Research Octane Number) 91 / AKI(Antiknock Index) 87 or higher (except Europe).
For customers who do not use good quality gasolines including fuel additives
regularly, and have problems starting or the engine does not run smoothly,
one bottle of additives added to the fuel tank at every 15,000 km (for Eu‐rope, Australia and New Zealand)/10,000 km (except Europe, Australia andNew Zealand).
Additives are available from your authorized Kia dealer along with informa‐
tion on how to use them. Do not mix other additives.
*4 HSG (Hybrid Starter & Generator) belt Inspect HSG belt for evidence of cuts, crocks, excessive wear or oil saturation
and replace if necessary. If drive belt noise occurred, readjust drive belt ten‐
sion before replace.
*5 Spark plug For your convenience, it can be replaced prior to it's interval when you domaintenance of other items.



9-09
9
Maintenance

NORMAL MAINTENANCE SCHEDULE - FOR GASOLINE ENGINE [FOR EUROPE (EXCEPT RUSSIA)]
(CONTINUED)
MAINTENANCE INTERVALS
Normal Maintenance Schedule - For Gasoline Engine [For Europe (Except Russia)]
Number of months or driving distance, whichever comes first
Months1224364860728496
Miles×1,0001020304050607080
Km×1,000153045607590105120
MAINTENANCE ITEM
Air cleaner filter I I R I I R I I
Air conditioner compressor/refrigerant I I I I I I I I Automatic transaxle fluid No check, No service required
Battery condition I I I I I I I I
Brake discs and pads I I I I I I I I
Brake lines, hoses and connections I I I I I I I IBrake fluid I R I R I R I R
Climate control air filter R R R R R R R R
Coolant (Engine / Inverter) *1
At first, Replace 210,000 km (140,000 miles) or 120 months after that,
Replace every 30,000 km (20,000 miles) or 24 months
Cooling system At first, Inspect 60,000 km (40,000 miles) or 48 months after that, Inspect
every 30,000 km (20,000 miles) or 24 months
Drive shaft and boots I I I I I I I I Engine oil and engine oil fil‐ ter *2
Nu 2.0L GDI R R R R R R R R
Exhaust system - I - I - I - I
Maintenance
9-10

MAINTENANCE INTERVALS
Normal Maintenance Schedule - For Gasoline Engine [For Europe (Except Russia)]
Number of months or driving distance, whichever comes first
Months1224364860728496
Miles×1,0001020304050607080
Km×1,000153045607590105120
MAINTENANCE ITEM
Fuel additives (Gasoline) *3
Add every 15,000 km (10,000 miles) or 12 months
Fuel filter (Gasoline) - I - R - I - R
Fuel lines, hoses and connections - - - I - - - IFuel tank air filter - I - R - I - R
HSG (Hybrid Starter & Generator) belt *4
I I I I I I R I
Parking brake - I - I - I - I
Spark plugs *5
Nu 2.0L GDI Replace every 150,000 km (100,000 miles) or 120 months
Steering gear rack, linkage and boots I I I I I I I I
Suspension ball joints I I I I I I I I
Tire (pressure & tread wear) I I I I I I I I
Vacuum hoses and crankcase ventilation hoses I I I I I I I I
Vapor hose and fuel filler cap - - - I - - - I
I: Inspect and if necessary, adjust, correct, clean or replace.
R: Replace or change.


9-11
9
Maintenance

MAINTENANCE UNDER SEVERE USAGE CONDITIONS - FOR GASOLINE ENGINE [FOR EUROPE
(EXCEPT RUSSIA)]
MAINTENANCE ITEMMAINTENANCE IN‐TERVALSDRIVING CONDITIONDRIVING CONDI‐TION
Engine oil and engine oil filter R Every 7,500 km (5,000 miles) or 6
months A, B, C, D, E, F, G, J,
K, L
HSG (Hybrid Starter & Generator) belt R
Every 45,000 km (30,000 miles) or 24
months C, D, E, L
I Every 7,500 km (5,000 miles) or 6
months C, D, E, L
Air cleaner filter RReplace more frequently depending on
the condition C, E
Spark plugs RReplace more frequently depending on
the condition B, L
Automatic transaxle fluid R Every 90,000 km (60,000 miles) A, C, D, E, F, G, L
Steering gear rack, linkage and boots I Inspect more frequently depending on
the condition C, D, E, F, G
Suspension ball joints I Inspect more frequently depending on
the condition C, D, E, F, G
Brake discs and pads, calipers and rotors I Inspect more frequently depending on
the condition C, D, E, G
Parking brake IInspect more frequently depending on
the condition C, D, G
Drive shaft and boots I Inspect more frequently depending on
the condition C, D, E, F, G, K
Maintenance

9-12

MAINTENANCE ITEMMAINTENANCE IN‐TERVALSDRIVING CONDITIONDRIVING CONDI‐TION
Climate control air filter R Replace more frequently depending on
the condition C, E, G
Maintenance operation
I: Inspect and if necessary, adjust, correct, clean or replace.
R: Replace or change.

SEVERE DRIVING CONDITIONS
A: Repeatedly driving short distance of less than 8 km (5 miles) in normal temperature or less than 16 km
(10 miles) in freezing temperature.
B: Extensive engine idling or low speed driving for long distances.
C: Driving on rough, dusty, muddy, unpaved, graveled or salt-spread roads.
D: Driving in areas using salt or other corrosive materials or in very cold weather
E: Driving in heavy dust condition.
F: Driving in heavy traffic area.
G: Driving on uphill, downhill, or mountain roads.
J: Driving in very cold weather.
K: Driving over 170 km/h (106 mph).
L: Frequently driving in stop-and-go conditions.


9-13
9
Maintenance

NORMAL MAINTENANCE SCHEDULE - FOR GASOLINE ENGINE [EXCEPT EUROPE (INCLUDING
RUSSIA)]
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 frequency of service is
determined by whichever occurs first.
NO.ITEMREMARK
*1 Coolant (Engine/Inverter) When adding coolant, use only deionized water or soft water for your vehicle
and never mix hard water in the coolant filled at the factory. An improper
coolant mixture can result in serious malfunction or engine damage.
*2 Engine oil and engine oil filter Check the engine oil level and leak every 500 km (350 miles) or before start‐ing a long trip.
*3 Fuel additives (Gasoline) Kia recommends that you use unleaded gasoline which has an octane rating
of RON (Research Octane Number) 95 / AKI (Antiknock Index) 91 or higher
(for Europe) or Octane Rating of RON (Research Octane Number) 91 / AKI(Antiknock Index) 87 or higher (except Europe).
For customers who do not use good quality gasolines including fuel additives
regularly, and have problems starting or the engine does not run smoothly,
one bottle of additives added to the fuel tank at every 15,000 km (for Eu‐rope, Australia and New Zealand)/10,000 km (except Europe, Australia andNew Zealand).
Additives are available from your authorized Kia dealer along with informa‐
tion on how to use them. Do not mix other additives.
*4 HSG (Hybrid Starter & Generator) belt Inspect HSG belt for evidence of cuts, crocks, excessive wear or oil saturation
and replace if necessary. If drive belt noise occurred, readjust drive belt ten‐
sion before replace.
*5 Spark plug For your convenience, it can be replaced prior to it's interval when you domaintenance of other items.

Maintenance

9-14

NORMAL MAINTENANCE SCHEDULE - FOR GASOLINE ENGINE [EXCEPT EUROPE (INCLUDING
RUSSIA)] (CONTINUED)
MAINTENANCE INTERVALS
Normal Maintenance Schedule - For Gasoline Engine [Except Europe (Including Russia)]
Number of months or driving distance, whichever comes first
Months1224364860728496
Miles×1,0001020304050607080
Km×1,000153045607590105120
MAINTENANCE ITEM
Air cleaner filter Except China, India, Middle East
I I R I I R I I
For China, India, Mid‐dle East R R R R R R R R
Air conditioner compressor/refrigerant I I I I I I I I Automatic transaxle fluid No check, no service required
Battery condition I I I I I I I I
Brake discs and pads I I I I I I I I
Brake lines, hoses and connections I I I I I I I IBrake fluid I R I R I R I R
Climate control air filter R R R R R R R R
Coolant (Engine/Inverter) *1
At first, replace 210,000 km (140,000 miles) or 120 months
After that, replace every 30,000 km (20,000 miles) or 24 months
Cooling system At first, inspect 60,000 km (40,000 miles) or 48 months
After that, inspect every 30,000 km (20,000 miles) or 24 months
Drive shaft and boots I I I I I I I I

9-15
9
Maintenance