Kia Optima 2014 — technical service bulletin
Bulletin PS348 · NHTSA communication 10109763 · issued Sep 16, 2014
Technical service bulletin
communication type
Electrical System
component
2014
model years
1
vehicle entries
Official summary
PITSTOP: DIM HEAD UNIT DISPLAY IN COLD WEATHER CONDITIONS - Refer to this article when addressing a customer complaint related to a Base Audio head unit display which appears to have no display or a dim display (see image below) at or below freezing conditions.
Vehicles covered
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.