A key point is when they say 3* side to side, thats in reference to the refrigerator. Since the refrigerator is installed sideways in the camper, that means the camper cannot be parked on more than a 3* grade. Also, if you park more than 3* for more than 24 hrs, then put the rig on blocks to be closer to level, you need to leave it that way for many hours, maybe 24 to let the fluids settle, before you attempt to turn it on
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