Service bulletins for the 2015 Kia Optima
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
268 on file from NHTSA, as of 2026-10-19.
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Only bulletins with topic: maintenance are shown. Show all
| TSB_ENG219 | 2020-08-04. Service bulletin. ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - This bulletin provides information on setting the "Service Interval Reminder" feature available on most Kia vehicles. If the service interval reminder is set, the customer will be informed to have the next maintenance service performed, which can positively affect vehicle longevity and performance. |
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| TSBGEN076 | 2017-01-18. Service bulletin. ENGINE. TSB: PROPER OIL GRADE / VISCOSITY SELECTION FOR TURBO EQUIPPED VEHICLES - THIS BULLETIN PROVIDES INFORMATION RELATED TO THE PROPER ENGINE OIL GRADE / VISCOSITY TO BE USED WHEN SERVICING VEHICLES EQUIPPED WITH A TURBOCHARGER. IN ADDITION TO FOLLOWING THE TURBO-SPECIFIC MAINTENANCE INTERVAL SCHEDULES, IT IS VERY IMPORTANT TO FOLLOW THE GRADE AND THE SAE OIL VISCOSITY RECOMMENDATIONS IN THE APPLICABLE SERVICE MANUAL TO ENSURE THE PROPER LUBRICATION IS DELIVERED TO THE TURBOCHARGER AND TO PREVENT ENGINE DAMAGE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.