Toyota AURION Owner's Manual page 177

AIR CONDITIONING SYSTEM
3. Remove the filter cover while pushing
in both ends of the cover.
4. Pull the filter out of the filter outlet. In-
spect the filter on the surface.
If it is just moderately dusty, it may be
cleaned by blowing compressed air from the
reverse surface. Do not wash or oil the filter.
If it is dirty, it should be replaced.
166
When inserting the filter in the filter outlet,
keep the arrow pointing up.
INFORMATION
The air filter should be installed proper-
ly in position. The use of air condition-
ing with the air filter removed may cause
deteriorated dust-proof performance
and then affect air conditioning per-
formance.