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:
Rear Climate Control System
The lower buttons on the rear seat audio are used
to adjust the rear seat climate controls. The
temperature of the air coming through the rear
outlets is determined by the front passenger’s
temp ...
New Vehicle Break-In
Notice: The vehicle does not need an elaborate break-in. But it will perform
better in the long run if you follow these guidelines:
Do not drive at any one constant speed, fast or slow, for the ...
Roadside Assistance Program
U.S.: 1-800-252-1112
TTY Users: 1-888-889-2438
Canada: 1-800-268-6800
As the owner of a new Buick, you are automatically enrolled in the Roadside Assistance program.
See Roadside Assistance Pr ...
