How do I activate and deactivate the Child Lock feature?
Child Lock can be set by pressing the two Option buttons simultaneously, after which all buttons become inoperable except the power button. To deactivate Child Lock, press the two Option buttons simultaneously again. When child lock is active, the child lock indicator is displayed on the screen, and it is automatically cancelled when operational errors occur. (Page 16)
From the official LG Wd(M)-1018(0~9)S Washing Machine manual, page 16
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