AEG L74850 Notice D'utilisation page 61

Safety information 61
Make sure that children or pets do not
climb into the drum. To avoid this the
machine incorporates special feature. To
activate this device, rotate the button
(without pressing it) inside the door
clockwise until the groove is horizontal.
If necessary use a coin. To disable this
device and restore the possibility of
closing the door, rotate the button anti-
clockwise until the groove is vertical.