Using this Westinghouse oven and grill handle is a breeze. First, make sure your appliance is turned off and cooled down. Locate the old handle and carefully remove it by unscrewing the screws. Then, align the new handle with the screw holes on your oven or grill and screw it in tightly. That's it! As for maintenance, you can clean the handle with a mild soapy water solution and a soft cloth. Avoid using abrasive cleaners as they may damage the plastic. If you notice any issues with the handle, such as loose screws or cracks, contact us right away. And remember, if you're ever unsure about the suitability of this part for your appliance, always check with us before making a purchase.