Measure Dimension a on All the Adjusting Screws.
WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.
Dimension -a - = 43 mm.
-- Repeat this procedure on all the other clips, if necessary.
-- Install the ACC sensor into the bracket and calibrate the distance regulation. Refer to DISTANCE REGULATION (ACC), CALIBRATING .