How do you change spark plugs on a Ford Escape 2009?

To change the spark plugs on a 2009 Ford Escape, first, ensure the engine is cool and disconnect the negative battery terminal. Remove the engine cover if present, then carefully detach the ignition coil connectors and unscrew the coils. Use a spark plug socket to remove the old spark plugs, apply anti-seize compound to the threads of the new plugs, and install them securely. Reattach the ignition coils and connectors, replace the engine cover, and reconnect the battery.