Toyota Avalon 2013 — technical service bulletin
Bulletin T-TT-0219-13 · NHTSA communication 10133853 · issued Feb 11, 2013
Technical service bulletin
communication type
Electrical System
component
2013
model years
1
vehicle entries
Official summary
Some vehicles may exhibit a seat heater "ON" condition when the switch is in the off position.
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.