Locate the "Pause/Cancel" button if the dryer is currently running. Press the "Pause/Cancel" button to pause the dryer.
Locate the "Control Lock" button, which is often located on the right side of the control panel of Whirlpool Duet models.
Press and hold the "Control Lock" button for at least three seconds to unlock the control panel. Once unlocked, you have full access to the dryer controls.