Kia K4 2025 — technical service bulletin
Bulletin TSB_BOD338 · NHTSA communication 11014374 · issued Feb 20, 2025
Technical service bulletin
communication type
Visibility/wiper
component
2025
model years
1
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: WINDSHIELD WASHER FLUID REPLACEMENT (SA606) - This bulletin provides the procedure to replace the windshield wiper fluid on certain 2025MY K4 (CL4) vehicles produced from January 20, 2025 to January 21, 2025, which may have been contaminated/mixed with engine coolant fluid during assembly. The coolant fluid may form an ‘oily/sticky’ mixture preventing proper cleaning of the vehicle’s windshield when the windshield wiper is activated.
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.