Where is the sump plug on a citreon xsara Picasso?

The sump plug on a Citroën Xsara Picasso is located at the bottom of the engine oil sump, typically on the underside of the vehicle. To access it, you may need to raise the car securely on jack stands. The plug is usually a hex or square bolt, which can be unscrewed to drain the engine oil during an oil change. Always ensure the engine is cool and properly supported before attempting to access the sump plug.