What's the 2010 Buick Lucerne oil type?

When equipped with the 3.9-liter V6 engine, the 2010 Buick Lucerne takeS3.8 liters (4.0 quarts) of SAE 5W-30 synthetic motor oil. The available 4.6-liter V8 getS7.1 liters (7.5 quarts) of fluid with the same viscosity. Buick recommends replacing this fluid every 7,500 miles. However, You may need to do this more often, depending on Your local environment and personal driving habits. Your vehicle is actually equipped with an oil life light that will illuminate when it's time to make a maintenance appointment. It's a good idea to get in the habit of checking the fluid routinely though, even when it's not time for it to be replaced yet. This will help catch a potential problem before it has time to progress. The average cost to replace the oil in the 2010 Lucerne is $110 to $150, including around $40 for labor.