The Kia Optima Hybrid is the hybrid variant of the Optima sedan, pairing a four-cylinder engine with an electric hybrid system. The 2015 Kia Optima Hybrid factory service manual documents the specific hybrid drivetrain for this model year.
Hybrid System Service
The Optima Hybrid's system requires specific high-voltage battery safety procedures before any service, documented step by step in the factory manual, along with the hybrid transmission's specific fluid specification and battery cooling system service.
What This Optima Hybrid Manual Covers
- Hybrid battery — safety disconnect procedure, cooling system service
- Hybrid transmission fluid specification and service procedure
- Complete electrical diagrams for all trim levels