See also:

Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle ...

Reporting Safety Defects toGeneral Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, we certainly hope you will notify us. Please call us at 1-800-521-7300, or write: Buick Customer Assistance Cente ...

Windshield Wipers
The windshield wiper lever is located on the left side of the steering column. Turn the band with the wiper symbol on it to control the windshield wipers. (Mist): For a single wiping cycle, h ...