Topping up the windscreen washer system
WARNING Risk of injury due to drive system overheating
If you open the bonnet in the event of an overheated drive system or fire in the engine compartment, the following situations may occur:
You may come into contact with hot gases.
You may come into contact with other escaping hot operating fluids.
In the event of overheating or a fire in the engine compartment, keep the bonnet closed and call the fire service.
Allow the overheated drive system to cool down if the engine must be opened.
WARNING Risk of injury due to moving parts
Components in the engine compartment can continue to run or start unexpectedly even when the drive system is switched off.
Observe the following if the bonnet must be opened:
Switch off the drive system.
Never touch the danger zone surrounding moving component parts, e.g. the rotation area of the fan.
Remove jewellery and watches.
Keep items of clothing and hair away from moving parts.
WARNING Risk of burns from hot components in the engine compartment
Certain components in the engine compartment may be very hot, e.g. drive system and cooler.
Allow the drive system to cool down and touch only the components described below.
WARNING Risk of fire and injury from windscreen washer concentrate
Windscreen washer concentrate is highly flammable.
Avoid fire, naked flames, smoking and the creation of sparks when using windscreen washer concentrate.
Remove cap 
by the tab.
by the tab. Top up the washer fluid.