How should I winterize or store my dishwasher to prevent freeze damage?

To protect against freezing, the dishwasher must be protected from the elements, as freezing can rupture the fill valve and such ruptures are not covered by the warranty. If the dishwasher is left in a seasonal dwelling or could be exposed to near-freezing temperatures, have it winterized by authorized service personnel. For summer storage, turn off the water supply and power supply to the dishwasher. (Pages 4 and 17)