How do you change spark plugs on a 2006 Chevy Malibu 3.5 v6?

To change the spark plugs on a 2006 Chevy Malibu with a 3.5 V6 engine, first, ensure the engine is cool and disconnect the battery. Remove the engine cover if applicable, then locate the spark plugs at the top of the engine. Using a spark plug socket, carefully unscrew and remove the old plugs, inspecting them for wear. Install the new plugs, ensuring they are properly gapped, and reassemble everything in reverse order, reconnecting the battery at the end.