Chevrolet Monte Carlo 2003–2004 — technical service bulletin
Bulletin 57 · NHTSA communication 10016463 · issued Jul 1, 2003
Technical service bulletin
communication type
Electrical System
component
2003–2004
model years
2
vehicle entries
Official summary
Performance of xm radio system with sunroof - poor xm signal reception with the sunroof fully opened. Gm tech link. *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.