Cabin air filters are the hidden, forgotten, unloved car part. You can’t see them so you don’t really think about them. They are usually hidden in the area under your dashboard or close to your engine compartment. They clean the air inside your car. Is this an important job? I think it is. Have you ever noticed a musty, old smell inside your car? It may be that your cabin air filter needs to be checked. In the summer the air conditioning unit is on and drawing all that sneeze causing air into your car. Allergens float around inside your car like little uninvited hitch hikers. In the winter, the heat and defroster are on and they both utilize the air coming from the outside which goes through the cabin air filter. I mistakenly thought summer was the hardest time of year for your cabin air filter. I was reading an article on the importance of timely replacement of your filter and learned that winter is tough on them. Soot levels from the engine are increased as the weather cools off. The ... read more