See also:

What to Use
WARNING! Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids can boil before the proper coolant mixture will. The coolant warni ...

Programmable Automatic Door Locks
Your vehicle is programmed so that, when the doors are closed, the ignition is on, and the shift lever is moved out of P (Park), all the doors will lock. The doors will unlock every time you sto ...

Customer Assistance Offices (U.S. and Canada)
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 Buick Customer ...