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OnStar Overview
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. The OnStar sy ...

Recommended Fluids and Lubricants
Usage Fluid/Lubrican Engine Oil The engine requires engine oil approved to the dexos specification. Oils meeting this specification can be identified with the dexos cer ...

Customer Assistance Offices
Buick encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail Buick, the letter should be addressed to: United States — Customer Assis ...