Toyota Corolla 2010–2013 — technical service bulletin
Bulletin T-TT-0225-13 · NHTSA communication 10133859 · issued Feb 27, 2013
Technical service bulletin
communication type
Electrical System
component
2010–2013
model years
4
vehicle entries
Official summary
The radio receiver turns off intermittently along with the clock and cigarette light port.
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.