See also:

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 ca ...

Automatic Operation
AUTO (Automatic): When automatic operation is active, the system will control the inside temperature, the air delivery mode, and the fan speed. Use the steps below to place the entire system in ...

Shifting out of Park
Automatic Transmission Shift Lock The vehicle has an automatic transmission shift lock control system. The shift lock control system is designed to: • Prevent ignition key removal unless ...