Open the dishwasher and extract any food particles that may be lying on the bottom grate of the appliance.
Spray the inside, outside and seals of the dishwasher with undiluted white vinegar.
Wait for 30 minutes as the vinegar deodorizes, disinfects and kills any possible mildew.
Wet a cleaning sponge or cloth with white vinegar and the sprinkle some baking soda over the cloth. Baking soda is a mild abrasive that also helps to neutralize odors.
Wipe the inside, outside and seal of the dishwasher with the cloth or sponge.
Rinse out your cloth or sponge and wipe the appliance's surfaces once more to remove any residue from the baking soda.
Dry the outside of the dishwasher with a lint-free cloth.
Pour 1 cup of white vinegar into the bottom of the dishwasher and run it through a regular cycle.