Service bulletins for the 2018 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.
170 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Latches and locks are shown. Show all
| TSB_BOD208 | 2020-07-06. Service bulletin. LATCHES/LOCKS/LINKAGES. TSB - This bulletin provides the procedure to perform a partial repair on the trunk latch base sub assembly on the certain Forte, Rio and Optima vehicles, which may exhibit a difficult-to-close/latch concern with the trunk lid. |
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| TSBELE163 | 2019-06-04. Service bulletin. ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK; LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. TSB: PARASITIC DRAW INSPECTION AND REAR DOOR LATCH REPLACEMENT - This bulletin provides the procedure to inspect for a parasitic draw and, if necessary, replace one or both rear door latches on some of the following vehicles which may experience a discharged 12v battery. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.