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:
Uplevel Headlamp Assembly
The uplevel model vehicle has a
high intensity discharge (HID) high/low beam, a dedicated DRL, and a
parking/turn signal lamp on the
headlamp assembly. See High
Intensity Discharge (HID) Light ...
Vehicle Messages
Messages displayed on the DIC indicate the status of the vehicle or some action
that may be needed to correct a condition. Multiple messages may display one after
the other.
The messages that do ...
Customer Assistance for Text Telephone (TTY) Users
To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Buick has TTY equipment available at its Customer Assistance Center. Any TTY user can communic ...