How To Install It In The Right Direction Check the arrow printed on your filter’s sides. The arrow points in the air flow’s direction. It should be towards the system’s blower. Before ...

Signs your cabin air filter needs to be replaced So if mileage isn’t always an accurate way of determining when to replace your cabin air filter, how do you know when it’s time?

A cabin air filter cleans the air coming into your car’s interior through the heating, ventilation and air-conditioning systems.

Here's everything you need to know about cabin air filters: What they are, how they work, and why, how, and when to pop in a new one.