Toyota Highlander 2012–2013 — technical service bulletin
Bulletin T-TT-0245-13 · NHTSA communication 10132267 · issued Jul 17, 2013
Technical service bulletin
communication type
Equipment
component
2012–2013
model years
4
vehicle entries
Official summary
Some MY 2012-2013 Highlander, highlander HV, Tacoma, and Venza vehicles may exhibit a condition where the Bluetooth mobile device ringtone volume is stuck at MAX VOLUME and cannot be adjusted after pairing a mobile device.
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.