Toyota Prius 2010–2013 — technical service bulletin
Bulletin T-SB-0010-12 Rev · NHTSA communication 10133895 · issued Jan 16, 2013
Technical service bulletin
communication type
Engine
component
2010–2013
model years
5
vehicle entries
Official summary
Some 2010-2013 model year Prius and Prius V models may exhibit one or more of the following conditions at initial engine start up after cold soak in temperatures below 40 degrees F.
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.