Note the following information:

WARNING: This page is about a different car, the 2016 Volkswagen Beetle, 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, 2013 Volkswagen Beetle, and 2012 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.

Use only the transmission fluid available as a replacement part to fill.
Adapter for Oil Filling VAS 6262/6 must also be used on some fluid container.

Fig 1: Identifying Oil Container Adapter - VAS 6262/6-
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
It may be necessary to shorten the bleed pipe on the Adapter for Oil Filling VAS 6262 A. Refer to the following procedure. MEASURE THE LENGTH OF THE BLEED PIPE ON THE ADAPTER FOR OIL FILLING VAS 6262 A. SHORTEN IT IF NECESSARY