Kia Optima: Maintenance Schedule / Normal Condition

Kia Optima DL3 2019-2020 Service and Repair Manual / Maintenance / Maintenance Schedule / Normal Condition

General market
Normal maintenance schedule

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.
ITEM
REMARK
*1
Engine oil and engine oil filter
Check the engine oil level and leak every 500 km (350 miles) or before starting a long trip.
*2
Coolant (Engine)
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.
*3
Drive belts (Engine)

Adjust alternator, water pump and air conditioner (if equipped) drive belt. Inspect and if necessary repair or replace.

Inspect drive belt tensioner, idler and alternator pulley and if necessary correct or replace.

*4
Spark plug
For your convenience, it can be replaced prior to it's interval when you do maintenance of other items.
5
Fuel additives (Gasoline)
Kia recommends that you use unleaded gasoline which has an octane rating of RON (Research Octane Number) 95 / AKI (Anti Knock Index) 91 or higher (for Europe) or Octane Rating of RON (Research Octane Number) 91 / AKI (Anti-Knock Index) 87 or higher (except Europe). For customers who do not use good quality gasoline including fuel additives regularly, and have problems starting or the engine does not run smoothly, one bottle of additives should be added to the fuel tank at every 15,000 km (For Europe) / 10,000 km (Except Europe). Additives are available from your authorized Kia dealer along with information on how to use them. Do not mix other additives.
*6
Fuel filter
The fuel filter is considered to be maintenance free but periodic inspection is recommended for this maintenance schedule depends on fuel quality.

If there are some important safety matters like fuel flow restriction, surging, loss of power, hard starting problem etc, replace the fuel filter immediately regardless of maintenance schedule and consult an authorized KIA dealer for details.


I: Inspect and if necessary, adjust, correct, clean or replace.

R: Replace or change

Number of months or driving distance, whichever comes first
Months
12
24
36
48
60
72
84
96
Miles X 1,000
10
20
30
40
50
60
70
80
Km X 1,000
15
30
45
60
75
90
105
120
Engine oil and engine oil filter*1
For Middle East* , Central & South America
Replace every 10,000 km (6,200 miles) or 12 months
Except Middle East*, Central & South America
R
R
R
R
R
R
R
R
Coolant (Engine)*2
At first replace at 200,000 km (120,000 miles) or 10 years: after that, replace every 40,000 km (25,000 miles) or 24 months *8
Drive belts (Engine)*3
-
I
-
I
-
I
-
I
Vacuum hoses and crankcase ventilation hoses
-
I
-
I
-
I
-
I
Spark plugs*4
Unleaded fuel
Replace every 160,000 km (100,000 miles)
Leaded fuel (if equipped)
Replace every 80,000 km (50,000 miles)
Automatic transmission fluid
For Middle East*
-
I
-
I
-
I
-
I
Except Middle East*
No check, No service required
Drive shaft and boots
-
I
-
I
-
I
-
I
Fuel additives*5
Add every 10,000 km (6,200 miles) or 12 months
Fuel filter *6
-
I
-
R
-
I
-
R
Fuel lines, hoses and connections
-
-
-
I
-
-
-
I
Fuel tank air filter
-
I
-
R
-
I
-
R
Vapor hose and fuel filler cap
-
-
-
I
-
-
-
I
Air cleaner filter
For Middle East*
R
R
R
R
R
R
R
R
Except Middle East*
I
I
R
I
I
R
I
I
Exhaust system
-
I
-
I
-
I
-
I
Cooling system
Inspect .Coolant level adjustment and leak. every day
At first, inspect 60,000 km (40,000 miles) or 48 months after that, inspec t every 30,000 km (20,000 miles) or 24 months
Air conditioner compressor/refrigerant
I
I
I
I
I
I
I
I
Climate control air filter
R
R
R
R
R
R
R
R
Brake discs and pads
I
I
I
I
I
I
I
I
Brake lines, hoses and connections
I
I
I
I
I
I
I
I
Brake fluid
I
I
I
I
I
I
I
I
Parking brake
-
I
-
I
-
I
-
I
Steering gear rack, linkage and boots
I
I
I
I
I
I
I
I
Suspension ball joints and mounting bolts
I
I
I
I
I
I
I
I
Tire (pressure & tread wear)
I
I
I
I
I
I
I
I
Battery condition
For Middle East*
Inspect every 10,000 km (6,200 miles) or 6 months
Except Middle East*
I
I
I
I
I
I
I

ERA-GLONASS system battery (if equipped)
Replace every 3 years.

* Middle East: Middle East includes Morocco, Sudan and Egypt

Maintenance Schedule
...

Severe Condition
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