Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
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 communicate with Buick by dialing:
1-800-832-8425. TTY users in Canada can dial 1-800-263-3830.
See also:
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 ...
How OnStar Service Works
Push this blue button to connect to a specially trained OnStar Advisor to verify your account information and to answer questions.
Push this red emergency button to get priority help from specially ...
StabiliTrak® System
The StabliTrak system assists with
directional control of the vehicle in
difficult driving conditions. The
system turns on automatically every
time the vehicle is started.
• To turn off bot ...