Range of markings on dipstick:
WARNING: This page is about a different car, the 2008 Audi RS 4 and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.
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a - Oil must not be added.
b - Oil may be topped off.
c - Oil must be added.
NOTE:
- Oil level must not exceed max. marking - a
- and must not fall short of min. marking - c
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