Topping up engine oil
WARNING Danger of burns from hot component parts in the engine compartment
Certain component parts in the engine compartment may be very hot, e.g. the engine, the radiator and parts of the exhaust system.
Let the engine cool down and only touch the component parts described below:
WARNING Risk of fire and injury from engine oil
If engine oil comes into contact with hot component parts in the engine compartment, it may ignite.
Make sure that no engine oil is spilled next to the filler opening.
Allow the engine to cool off and thoroughly clean the engine oil from component parts before starting the vehicle.
NOTE Engine damage caused by an incorrect oil filter, incorrect oil or additives
Do not use engine oils or oil filters which do not correspond to the specifications explicitly prescribed for the service intervals.
Do not alter the engine oil or oil filter in order to achieve longer change intervals than prescribed.
Do not use additives.
Follow the instructions in the service interval display regarding the oil change.
NOTE Damage caused by topping up too much engine oil
Topping up too much engine oil can cause damage to the engine or the catalytic converter.
Have excess engine oil siphoned off at a qualified specialist workshop.
Turn cap 
anti-clockwise and remove it.
anti-clockwise and remove it. Top up the engine oil.
Replace cap and turn it clockwise as far as it will go.
and turn it clockwise as far as it will go. Check the oil level again More.