LG T7248TDDLL Owner's Manual page 25

Use this mode to wash normal clothes or thick and heavy clothes which are excessvely dirty.
SOAK mode can be used with FUZZY or STRONG (JEANS) or AQUA RESERVE or ECO
WASH or EXTRA /SMART Rinse program.
SOAK will not work in GENTLE (WOOL/SAREE) and
QUICK WASH, TUB CLEAN Program.
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wash