The cabin air filter gets replaced way too often because of this and also dusting of the inside at weekly intervals besides regular oil changes with fully synthetic oil along with a decent oil filter (K&N)/ engine air filter was replaced tw. Also, I am the only driver for the Mazda since purchase and kept it as clean as possible (smoke free) because of my dust/seasonal allergies. It was my intention to keep it but we already have 3 cars in the household and don't want to add a 4th one Climate Control
17,000Nazareth, PANazareth, PA at smartcarguide.com