Where is the oil drain plug on a 2009 Chevy aveo?

The oil drain plug on a 2009 Chevy Aveo is located on the bottom of the oil pan, which is situated underneath the engine. To be more precise, you'll find it on the lower front of the oil pan. You'll need to get under the car to access it. It's usually a 13mm or 14mm bolt, but it's best to check your owner's manual for the specific size and any other relevant information before attempting an oil change.