Is there an air filter for the air inside the car and if so, how does one replace it? on 2007 Buick Lucerne

This is not a problem as I am interested in knowing about whether or not there is an air filter for the inside the car air. I know the air gets drawn in from the outside, but would think it needs to run through a filter first.

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1 answer
The cabin air filter on your vehicle is under the hood, passenger side. It is recommended to replace it every year or 15,000 miles. How to replace instructions here; http://bit.ly/emV8ms