See also:

What Kind of Engine Oil to Use
Look for two things: • GM6094M Your vehicle’s engine requires oil meeting GM Standard GM6094M. You should look for and use only an oil that meets GM Standard GM6094M. • SAE 5W-30 As s ...

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 ...

Engine Oil
To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment: ► Always use eng ...