How do you change the spark plugs on a 1997 oldsmobile acheiva?

To change the spark plugs on a 1997 Oldsmobile Achieva, first, ensure the engine is cool and disconnect the negative battery terminal. Remove the ignition coil or spark plug wires from the spark plugs, being careful not to damage them. Use a spark plug socket and ratchet to unscrew the old plugs, then install the new plugs, ensuring they are gapped correctly. Finally, reconnect the ignition components and the battery terminal.