Where is the drain plug located on a 2012 5.3 engine on a Silverado pickup?

The drain plug on a 2012 5.3L engine in a Silverado pickup is located on the oil pan at the bottom of the engine. It is typically a 15mm bolt that can be found on the rear side of the oil pan. To access it, you may need to lift the vehicle and use a wrench to remove the plug when draining the oil. Always ensure the engine is cool and use caution to avoid spills.