Saturn Ion 2003–2007 — technical service bulletin
Bulletin PIC-5580 · NHTSA communication 10043015 · issued Nov 1, 2011
Technical service bulletin
communication type
Service Brakes, Air
component
2003–2007
model years
5
vehicle entries
Official summary
Saturn: low brake fluid warning and/or red brake light on due to possible brake fluid reservoir or fluid switch being replaced. Brake and brake pedal operation not affected. *pe updated 2/8/12. *pe
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.