Markings on oil dipstick
WARNING: This page is about a different car, the 2004 Volkswagen R32. However, it is still accessible from the selected car via links, so may be relevant.
1 - Max. mark
2 - Min. mark
a - Area above hatched field up to Max. mark: Do not top off with engine oil!
b - Oil level within hatched field: Can be topped off with engine oil
c - Area from Min. mark up to hatched field: Top off with max. 0.5 ltr. of engine oil!