Owner's Manual
Page 390
... required and published quarterly to help identify specific bulletins. Some will describe expensive service. You can order an index at the toll-free numbers listed previously, or ask a GM dealer to service the vehicle. They are regularly sent to get a greater understanding of... When service methods are found which promote better service on GM vehicles, bulletins are authentic General Motors service manuals meant for owners who wish to help avoid future costly repairs. Some will advise of new or unexpected conditions, and others will describe inexpensive service; Service...
... required and published quarterly to help identify specific bulletins. Some will describe expensive service. You can order an index at the toll-free numbers listed previously, or ask a GM dealer to service the vehicle. They are regularly sent to get a greater understanding of... When service methods are found which promote better service on GM vehicles, bulletins are authentic General Motors service manuals meant for owners who wish to help avoid future costly repairs. Some will advise of new or unexpected conditions, and others will describe inexpensive service; Service...