Signature SRUS5000XAQUA Manuel D'utilisation page 57

It automatically switch off after 26 hours and the
freezer temperature will revert back to the previous
setting.
Intelligence
In the mode, the refrigerator works in the most
beneficial food preservation and storage way.
The fridge temperature is set 4°C, and the freezer
temperature is -18°C in the mode.
4. Lock/unlock
Press the "Mode" for 3s, light of the icon is off and the
panel is unlocked.
Without any operation in 20s, the panel will be locked
automatically and whole light is off after about 60s.
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