OnStar Services

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 ...

Interior Glass
To clean, use a terry cloth fabric dampened with water. Wipe droplets left behind with a clean dry cloth. Commercial glass cleaners may be used, if necessary, after cleaning the interior glass wit ...

Home Page
The infotainment system displays a home page that makes accessing many of the features an easy process. Back: If on page 2 of the Home Page, press Back to return to page 1 of the Home Page. If on ...