Close your dishwasher and ensure that it is locked shut.
Choose either "Heavy Duty," "Normal Wash," or "Light Wash" settings on the face of your KitchenAid dishwasher.
Select the "Heated Dry" button. If the "Heated Dry" light is illuminated, select the button again. The light will turn off.
Press the "Heated Dry" button for 4 seconds to lock your settings. The "Heated Dry Lock" LED light will illuminate.