Miele KM 404 Operating Instructions Manual page 9

Before using for the first time clean the
appliance as follows:
^ Wash the removable parts of the gas
burner in a mild solution of warm
water and liquid dish soap.
^ Dry and reassemble them in the
proper order (see the "Cleaning and
care" section).
^ The ceramic surface can be cleaned
using water or a ceramic cooktop
cleaner and then wiped dry with a
soft cloth.
Metal components have a protective
coating which may give off a slight odor
the first time your new appliance is
heated.
The harmless odor will dissipate after a
short time and does not indicate a
faulty connection or appliance defect.
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