How to replace cabin air filter in 2006 sonata?

To replace the cabin air filter in a 2006 Hyundai Sonata, first, locate the filter compartment behind the glove box. Open the glove box and remove any contents, then gently squeeze the sides to release the stops and lower it fully. Remove the cover of the filter compartment by unclipping it, take out the old filter, and insert the new one, ensuring the airflow direction is correct. Finally, reassemble the cover and the glove box to complete the installation.