There are several car air filters in a vehicle, including one that filters contaminants in the engine, one that filters fuel, and a cabin filter that keeps dirt, dust, pollen and other particles from coming through your car’s air conditioning system and into your passenger compartment. All of these filters will become contaminated over time and lose effectiveness. When your car cabin air filter is clogged, air flow from your vents will be weak, unfiltered air will circulate in your car’s interior, and your AC’s motor may burn up as the AC works harder to move and cool the air. For specific recommendations on when to replace your cabin air filters, refer to your vehicle’s owner’s manual or schedule an appointment at Driver’s Edge to have your AC system checked.