Toyota Prius 2012 — technical service bulletin
Bulletin TCS-12-014 · NHTSA communication 10045090 · issued May 23, 2012
Technical service bulletin
communication type
Equipment
component
2012
model years
1
vehicle entries
Official summary
Toyota: see document search button for owner letter. On some models, when vehicle starts to deviate from marked lanes, the lane keeping assist (lka) system fails to activate beeping, (departure lane warning). *pe
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.