The Whirlpool 4396669 Washer Key has become an alternative key manufactured to unlock the top service panel on certain Whirlpool washing machine models. This key was never intended to unlock the washer door. When a washing machine fails, professionals or homeowners may need to access its internal components for troubleshooting or repairs. In some models, this access point is accessible through the service panel that can be found on top of the washer. The key unlocks a small lock on the panel, enabling it to be lifted and exposing the machine's inner workings. This genuine Whirlpool part ensures compliance and operation with washers meant for use with this key.