Every year, the Buick team would send out to the dealerships updates about working and fixing the various automobile issues that would arise.
These assorted Buick Dealer bulletins would include service technical info for mechanical problems, diagnosing and repairing, product campaign details, updates, and more.
Most dealers kept all of these special alerts in a provided brown leather covered binder for easy reference.
There were labeled tabs inside for separating all of the different components or sections of the car, notes, etc.
One such Buick binder with service bulletins covering the 1982-1986 model car lines is shown below.
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