Kia Optima - Page 403

Maintenance
187
MAINTENANCE UNDER SEVERE USAGE CONDITIONS - FOR PETROL ENGINE
The following items must be serviced more frequently on cars mainly used under severe driving conditions.
Refer to the chart below for the appropriate maintenance intervals.
R : Replace I : Inspect and if necessary, adjust, correct, clean or replace
Maintenance item
Maintenance
operation
Maintenance intervals
Driving
condition
Engine oil and engine oil filter R
Every 7,500 km (5,000 miles)
or 6 months
A, B, C, D, E, F,
G, H, I, J, K, L
Air cleaner filter R
Replace more frequently
depending on the condition
C, E
Spark plugs R
Replace more frequently
depending on the condition
B, H, I, L
Manual transaxle fluid (if equipped) R Every 120,000 km (80,000 miles)
C, D, E, G,
H, I, K
Automatic transaxle fluid (if equipped) R Every 90,000 km (60,000 miles)
A, C, D, E,
F, G, H, I, K
Steering gear rack, linkage and boots I
Inspect more frequently
depending on the condition
C, D, E, F, G