Kia Optima 2014–2015 — technical service bulletin
Bulletin PS377 · NHTSA communication 10089903 · issued Jan 21, 2015
Technical service bulletin
communication type
Equipment
component
2014–2015
model years
5
vehicle entries
Official summary
Pitstop: korean error messages on navigation display - this article provides information to address the following customer complaints on navigation head units (avn 3.0 or avn 3.5): * korean error message that starts with navi.exe or * korean error message that starts with mmmedia.exe.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.