How often should I change the spark plugs in my Ford S-Max?

I drive a Ford S-Max and want to make sure my engine is performing at its best. How often should I change the spark plugs to ensure optimal fuel efficiency and engine performance?

It is recommended to change your spark plugs every 30,000 miles for optimum performance.

If you notice your Ford S-Max is having trouble starting or is running sluggish, it may be time to change the spark plugs.

For the best results, use genuine Ford spark plugs for your S-Max.