Your reservoir will be on the bottom of the dishwasher, probably off to one side. If you don't see a reservoir, your dishwasher may not have a built-in water softener.
[header] How to use dishwasher salt [title] Remove the bottom rack to expose the salt reservoir. [step] Pull the bottom rack out completely and set it on your kitchen counter. You may need to lift it up slightly to unclip it from its rollers.