How do you change spark plugs in vauxhall corsa 2001?

To change the spark plugs in a 2001 Vauxhall Corsa, first ensure the engine is cool and disconnect the battery. Remove the ignition coil or plug leads from each spark plug, then use a spark plug socket and ratchet to unscrew and remove the old spark plugs. Check the gap on the new plugs, install them by hand to avoid cross-threading, and tighten them to the manufacturer's specifications. Finally, reconnect the ignition components and the battery.