Where is the oil drain plug on a 2004 gmc Yukon XL?

The oil drain plug on a 2004 GMC Yukon XL is located on the oil pan, which is situated beneath the engine. To access it, you typically need to raise the vehicle and look towards the bottom of the engine. The plug is usually a hex or square head bolt that can be removed with a wrench or socket. Always ensure to have a drain pan ready to collect the oil when you remove the plug.