OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview&nb ...

Keys and Locks

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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 can comm ...

Special winter equipment
It is recommended that the following items be carried in the vehicle during winter: ► A scraper and stiff-bristled brush to remove ice and snow from the windows and wiper blades. υ ...

Transmission
Electronic Range Select (ERS) Mode ERS mode allows you to choose the top-gear limit of the transmission and the vehicle's speed while driving downhill or towing a trailer. The vehicle has an e ...