Whirlpool GU2400XTP Built-in Dishwasher "winterizing cottage" Questions

I purchased an $800. Maytag dishwasher: MDB5701Aww10445767NE E39927 Type 777-0 July 2008 for our cottage. It hardly gets used during the winter so when it quit working at the beginning of July this ...

Proceedure to winterize washer I have a Whirlpool GU2300XTSQ0 disherwasher. It is installed in an unheated summer cottage. What is the procedure to winterize this machine to keep it from freezing up ...