Removing the Outer Jacket of Insulation:
WARNING: This page is about a different car, the 2023 Volkswagen Arteon. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
-- Slide the antenna wire -2- in the mount -3- into the tool head until it stops -1-.
-- Close the tool then open it again.
-- Remove the antenna wire -4-.