Miele KM 6220 Operating Instructions Manual page 45

To activate the system lock
To deactivate the system lock
^ Touch the $ sensor until the relevant indicator lamp comes
on.
The indicator lamp will go out after a short while.
You can alter the setting from one-finger to three-finger
operation (see "Programming") to make it harder for children
to operate the appliance.
^ Touch the $ sensor until the indicator lamp goes out.
Safety features
45