Refrigerant, Filling In A/C Service Station

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.

The work procedure is always to be performed as described in the operating instructions for the A/C Service Station.
A certain quantity of refrigerant is specified as charge for each A/C system. To ensure that the correct amount of refrigerant is added and the cooling output is not reduced, the charging cylinder stands on a scale indicating the weight.