Buick Rendezvous 2003–2004 — technical service bulletin
Bulletin 01721 · NHTSA communication 10006268 · issued Jan 1, 2004
Technical service bulletin
communication type
Electrical System
component
2003–2004
model years
4
vehicle entries
Official summary
Excessive battery draw with xm radios. Sit bulletin 1456801. *tt
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.