Where is the oil drain plug located on 2006 Cadillac CTS?

The oil drain plug on a 2006 Cadillac CTS is located on the bottom of the engine oil pan, which is situated underneath the vehicle. To access it, you'll typically need to lift the car using jack stands or a hydraulic lift. The drain plug is usually a hex or square-shaped bolt that can be removed with a socket wrench. Always ensure to have a drain pan ready to collect the old oil when you remove the plug.