How often does the water filter need to be replaced, and how do I reset the filter indicator?
The water filter needs to be replaced every 6 months. When the filter indicator shows '0' for the month, it is time to replace the filter. After installing a new filter, press and hold the LIGHT/FILTER button for more than 3 seconds to reset the filter indicator. (Page 11)
From the official LG LSC27931 French Door Refrigerator manual, page 11
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