Antenna Amplifier 4 -R113-, REMOVING AND INSTALLING: Removing

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

-- Remove the head curtain airbag guide. Refer to HEAD CURTAIN AIRBAG GUIDE, REMOVING AND INSTALLING .

-- Release and disconnect the connector -2- and the connector to the window antenna on the Antenna Amplifier 4 -R113- -1-.

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the screw -arrow- and remove the Antenna Amplifier 4 -R113- -1- from the D-pillar.