See also:

Express-Down Window
AUTO (Express-down): The driver’s and front passenger’s window switches have an express-down feature that allows you to lower the window without holding the switch down. Press down briefly on ...

Accepting or Declining a Call
When an incoming call is received, the infotainment system mutes and a ring tone is heard in the vehicle. Accepting a Call Turn the Menu knob to “Answer” and press SELECT to accept the c ...

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 ...