Miele PG 8593 Operating Instructions Manual page 77

To block
cancellation of a
program
A program which is already running should only be cancelled if strictly
necessary, e.g. if the wash load is moving about significantly. Access
to the option of cancelling a program can be blocked using the PIN
code.
Open the menu as follows:

Button 
Additional settings

Code

Program cancellation

Code required
-
A program can only be cancelled by entering the PIN code.
Code not required
-
All users can cancel running programs at any time.
Select an option using the  and  arrow buttons.

Press OK to save the setting.

Program cancellation
Code required
Code not required
Additional settings
77