Check forced air extraction vent frames from the outside

-- Remove the rear bumper cover. Refer to BUMPER COVER, REMOVING AND INSTALLING .

-- Make sure the left and right ventilation frames -A- are not obstructed and that the sealing lips -B- function properly.

Courtesy of AUDI OF AMERICA, LLC

• Sealing lips -B- in ventilation frames -A- must move freely and close by themselves.
• The vent frame -A- must be installed on the same side.
• The vent frame -A- may not be covered.