Buick Rainier 2005–2008 — technical service bulletin
Bulletin 070139007 · NHTSA communication 10023913 · issued Oct 1, 2007
Technical service bulletin
communication type
Equipment
component
2005–2008
model years
15
vehicle entries
Official summary
Ei07213 - no cold air from vents, a/c inoperative, blows warm air (reset hvac control module) *nj
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.