How do you change the air filter on a 2004 Mazda 3?

To change the air filter on a 2004 Mazda 3, first, locate the air filter housing, which is typically on the engine's top. Open the housing by unclipping or unscrewing the cover. Remove the old air filter and replace it with a new one, ensuring it fits snugly. Finally, reattach the cover securely and close any clips or screws.