2009 Kia Optima problems by component
116 owner complaints filed with NHTSA for the 2009 Kia Optima, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Power Train → | 33 | 28% | 62,000 mi |
| Air Bags → | 28 | 24% | 70,875 mi |
| Service Brakes → | 17 | 15% | 65,000 mi |
| Electrical System → | 16 | 14% | 66,500 mi |
| Engine → | 14 | 12% | 70,000 mi |
| Vehicle Speed Control → | 11 | 9% | — |
| Electronic Stability Control (esc) | 9 | 8% | — |
| Exterior Lighting | 9 | 8% | — |
| Steering | 7 | 6% | — |
| Service Brakes, Hydraulic | 4 | 3% | — |
| Structure | 4 | 3% | — |
| Suspension | 4 | 3% | — |
| Engine and Engine Cooling | 2 | 2% | — |
| Visibility | 2 | 2% | — |
| Child Seat | 1 | 1% | — |
| Fuel/propulsion System | 1 | 1% | — |
| Interior Lighting | 1 | 1% | — |
| Seat Belts | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.