How do you change the oil for 2010 Buick lacrosse?

To change the oil on a 2010 Buick Lacrosse, first, ensure the engine is cool and then lift the vehicle using jack stands. Drain the old oil by removing the oil drain plug and allow it to fully drain into a pan. Replace the oil filter using an oil filter wrench, apply some new oil to the rubber gasket of the new filter, and install it. Finally, reinstall the drain plug, add new oil through the oil filler cap, and check the level with the dipstick before starting the engine.