Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.
See also:
Compass Calibration Procedure
1. Before calibrating the compass, check that the
compass zone is set to the variance zone in
which the vehicle is located. See “Compass
Variance (Zone) Procedure” earlier in this section.
...
Quiet tuning
Buick Verano delivers the library-quiet driving experience for which Buicks
have become known. Quiet-tuning systems, processes and components are built into
every facet of the vehicle's architectu ...
Wheels and Trim—Aluminum or Chrome
Use a soft, clean cloth with mild soap and water to clean the wheels. After rinsing
thoroughly with clean water, dry with a soft, clean towel. A wax may then be applied.
Keep the wheels clean using ...