Miele KM 3034-1 Operating And Installation Instructions page 14

Warning and Safety instructions

If the appliance has not been used for a long period of time it
should be thoroughly cleaned before it is used again. It is also
advisable to have the appliance tested by a qualified person for
safety.
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.

Miele will guarantee to supply functional spare parts for a
minimum of 10 years and up to 15 years following the
discontinuation of your cooktop.
14