Topping up the windscreen washer system
WARNING Risk of fire and injury from windscreen washer concentrate
Windscreen washer concentrate is highly flammable. If it comes into contact with hot components in the front compartment, it may ignite.
Make sure that no windscreen washer concentrate is spilled near to the filler opening.
Open the service flap More.
Pull cap 
up using the tab.
up using the tab. If available, pull the extendable fitting up as far as it will go.
Add washer fluid.
If available, press the extendable fitting down and push it in.
Position cap and close it tightly.
and close it tightly. Close the service flap More.
For information on windscreen washer fluid and antifreeze, see "Technical Data" More.