At Subaru, we know the importance of changing your cabin air filter and because we want you always get the best performance from your vehicle, we’d like you to know the reasons as well. While you probably know that your engine has an air filter, you may not realize your cabin air filter is part of your vehicle’s HVAC (heating, ventilation, and air conditioning) system. And yes, it performs like the air filter that is part of your home’s HVAC system, keeping a stream of clean air flowing through your vehicle.

The cabin air filter is small and pleated, designed to trap contaminants – pollen, dust, dirt, bacteria, and exhaust fumes - which might otherwise enter your vehicle. It also works to keep leaves, bugs, and other debris from clogging your car’s HVAC system. Keeping clean air inside your car allows you and your passengers to breathe easy, enjoying your ride, and is especially important to those who suffer from allergies or asthma.

Now that spring is here, so is the pollen that comes with it, changing your cabin air filter crucial to keeping fresh, clean air inside your vehicle. Most cars don’t have a warning light for the cabin air filter, but you can often tell it’s time to change if you notice air circulation or heating and cooling is reduced, if there is an unusual odor inside your car, or if you notice a faint whistling sound.  Plus, as a general rule, changing your cabin air filter is recommended every 15,000 miles or annually, though depending on allergy symptoms of the pollutant levels where you live, you may need to do it more often.

Changing your cabin air filter regularly will keep the air quality in your vehicle at its best. If it’s time to change your cabin air filter, trust the professionals at your local Subaru dealership to get the job done for you. Call today to schedule your cabin air filter change.  

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