Kia Optima 2017, Owner'S Manual, Page: 616 / 776

MAINTENANCE INTERVALS
Normal Maintenance Schedule - For Diesel Engine [For Europe (Except Russia)]
Number of months or driving distance, whichever comes first
Months
24 48 72 96 120 144 168 192
Miles×1,000 20 40 60 80 100 120 140 160
Km×1,000 30 60 90 120 150 180 210 240
MAINTENANCE ITEM
Engine oil and engine oil fil‐
ter
*4*5
U-II 1.7 R R R R R R R R
Coolant (Engine)
*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
Drive belts (Engine)
*2
At first, inspect 90,000 km (60,000 miles) or 48 months
After that, inspect every 30,000 km (20,000 miles) or 24 months
Automatic transaxle fluid (if equipped) No check, No service required
Manual transaxle fluid (if equipped)
*8
- I - I - I - I
Dual clutch transmission (DCT) fluid (if equip‐
ped)
*3
- I - I - I - I
Drive shaft and boots I I I I I I I I
Fuel filler cap (Diesel) - I - I - I - I
Fuel filter cartridge (Diesel)
*7 I R I R I R I R
Fuel lines, hoses and connections I I I I I I I I
Air cleaner filter I R I R I R I R
Exhaust system I I I I I I I I
Maintenance
8-30