Miele KM 6324-1 Operating And Installation Instructions page 13

Cleaning and care

Do not use a steam cleaning appliance to clean this appliance.
The steam could reach the electrical components and cause a short
circuit.

If the cooktop is built in over a pyrolytic oven, the cooktop should
not be used whilst the pyrolytic process is being carried out, as this
could trigger the overheating protection mechanism on the cooktop
(see relevant section).
Warning and Safety instructions
13