See also:

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 Assist ...

Dolly Towing from the Front (All-Wheel Drive)
Dolly Towing from the Front (All-Wheel Drive) Vehicles with all-wheel drive cannot be dolly towed. ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to ...