How to improve mileage in a Kia Ceed?

I have a Kia Ceed and I'm noticing that my mileage is not as efficient as it used to be. What are some tips or adjustments I can make to improve my car's overall fuel efficiency?

Regularly check your tire pressure to ensure they are properly inflated. This can greatly improve your car's fuel efficiency.

Avoid excessive speeding and braking, as this can waste fuel. Try to maintain a constant speed for better mileage.

Consider getting your car's engine tuned up by a professional. This can improve its performance and increase mileage.