Buick Lesabre 2002 — technical service bulletin
Bulletin 041502 · NHTSA communication 636539 · issued Apr 15, 2002
Technical service bulletin
communication type
Equipment
component
2002
model years
1
vehicle entries
Official summary
On vehicles equipped with the de150 dual play radio, it is possible to lose the cassette audio when the ignition key is cycled from the off position to the accessory position then back to off and back to accessory. *tt
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.