Turn both the fridge and freezer controls to "Off" or "0" inside the fridge. According to KitchenAid, the filter status light can be reset by pressing the filter reset button on the display and holding it until the light turns off.

Step 4 Adjust the fridge and freezer controls to the desired setting. Plug the fridge back into the power outlet. The timer will be on the back or the bottom of your model. You can also press the water filter button for three seconds. This will reset the refrigerator's system.

Locate the defrost timer in your Frigidaire refrigerator. Step 2. Step 1. How to Reset a Frigidaire Refrigerator Defrost Timer.