On ours there are small adjustment screws on the monitor panel. They take a jewelers screwdriver. Just adjust them till the level reads what the actual contents are. Or at least that's the way ours work, and they will never be truly accurate.
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2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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