Attention! Be careful not to touch the hot pipes of the heater core.
Carefully unscrew the floor carpet until the filter cover is exposed. Pull the lid to open by pressing on the lid clips.
Pull the bottom of the tab and remove the bottom filter from the filter outlet.
Remove the top filter by pulling down on its tab, and then pull it out.
Check the surface of the filter facing the front of the car.
If it is only slightly dusty, the filter can be cleaned by blowing compressed air from the back. Do not wash or lubricate the filter with oil. If the filter is dirty, it must be replaced.