Lexus ES330 2005 Owner's Manual page 211

AIR CONDITIONING
1. Open the glove box.
Phillips−head screwdriver.
2. Remove the 2 pins installed on the upper part of the
glove box and lower the glove box.
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Remove the screw with a 3. Take out the filter case.
4. Remove the filter from the filter case.
5. Inspect the filter on the surface.
If it is dirty, it should be replaced.