See also:

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 ...

Security Light
For information regarding this light and the vehicle’s security system, see Content Theft-Deterrent. ...

Check Gas Cap Light
If your vehicle has this light, it will come on if your gas cap is not securely fastened. ...