A cabin air filter is responsible for cleaning the air entering a vehicle's cabin. Over time, it becomes dirty and brittle, and may begin to allow dust and pollen into the cabin, leading to discomfort for the vehicle's occupants. We recommend replacing the cabin air filter every 15,000 to 25,000 kilometers, depending on the vehicle's manual. At GarageMatch, we believe in connecting people with qualified repair shops through a simple service request submission process, to get you back on the road quickly and safely.