Windshield Antenna Suppression Filter -C18-, REMOVING AND INSTALLING, AVANT: Removing

-- Turn off the ignition and all electrical equipment and remove the ignition key.

-- Remove the left luggage compartment side trim panel. Refer to LUGGAGE COMPARTMENT SIDE TRIM PANEL, REMOVING AND INSTALLING .

-- Remove the nuts -2 and 4- on the Windshield Antenna Suppression Filter -C18- -1-.

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the wires on the Windshield Antenna Suppression Filter -C18- -1-.

-- Remove the nut -3- and the Windshield Antenna Suppression Filter -C18- -1-.