How often should I change the spark plugs on a Kia Stonic?

I want to make sure my Kia Stonic runs at its best performance. How often should I change the spark plugs and what warning signs should I look out for?

The recommended interval for changing spark plugs on a Kia Stonic is every 30,000-50,000 miles. However, if you notice any of the following warning signs, it may indicate that your spark plugs need to be changed sooner:

1. Difficulty starting your engine

2. Engine misfiring

3. Decreased fuel efficiency