Where is the radiator drain valve for 2005 Buick lacrosse?

The radiator drain valve for a 2005 Buick Lacrosse is located at the bottom of the radiator, typically on the driver's side. It usually resembles a small plastic or metal petcock that can be opened to allow coolant to drain. To access it, you may need to raise the vehicle and ensure the engine is cool to avoid burns. Always use caution and have a container ready to catch the coolant.