2011 Toyota Avalon Owners Manual - Page 449

4-3. Do-it-yourself maintenance Remove the filter cover while pushing in both ends of the cover. Pull the filter out of the filter outlet. n Cleaning method If the filter is dirty, clean by blowing compressed air through the filter from the downward side. Hold the air gun 2 in. (5cm) from the filter and blow for approximately 2 minutes at 72 psi (500 kPa, 5.0 kgf/cm2 or bar). If it is not available, have the filter cleaned by your Toyota dealer. 426 AVALON_U (OM41428U)