2008 Toyota Land Cruiser Navigation Manual - Page 253

AIR CONDITIONING 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. When installing the filter in the filter case, keep the arrow pointing up. INFORMATION The air conditioning filter should be installed properly in position. The use of air conditioning with the filter removed may cause deteriorated dustproof performance and then affect air conditioning performance. 255