Subaru WRX & WRX STI Manuals 2018 WRX & WRX STI Owner’s Manual | Page 236

4-12 Climate control/Air filtration system 3. Replace the cabin air filter element with a new one. CAUTION The arrow mark on the filter must point UP. 4. Reinstall the glove box, and connect the damper shaft. 5. Close the glove box.