2018 Kia Optima S — Maintenance Guide
Complete maintenance schedule, recommended fluids, parts and estimated costs.
Recommended Fluids
Engine Oil
0W-20
Bulb Sizes (7)
Backup / Reverse1156/1157, T15/921/912
Brake / Tail1156/1157
DRL1156/1157
Headlight9005/HB3, H7
InteriorT10/194/168, T15/921/912
License PlateT10/194/168
Turn Signal1156/1157