How to Replace the Cabin Air Filter in a 2012 Ford Focus?

1 Answers
Seth
07/29/25 4:00pm
Here are the steps to replace the cabin air filter in a 2012 Ford Focus: 1. The cabin air filter is located at the front of the front passenger seat, on the left side of the footwell. 2. There are two power sockets there, with a switch above them. Push the switch forward or backward to the end position before unplugging. 3. In the middle position is the cabin air filter cover. Press the clip and remove it. 4. Install the new cabin air filter and replace the cover. Below are the functions of the 2012 Ford Focus cabin air filter: 1. Ensures the filter fits tightly against the housing to prevent unfiltered air from entering the cabin. 2. Separates solid impurities such as dust, pollen, and abrasive particles from the air. 3. Adsorbs moisture, soot, ozone, odors, carbon oxides, SO2, CO2, etc. from the air; provides strong and long-lasting moisture adsorption.
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