When the cooking cycle is done and you hear the beep as it switches to Keep Warm, flip the steam release valve to open and open the lid. It doesn't actually come to pressure, so the lid will likely be unlocked already. Check to see if the pancake is done by pressing the top. It should spring back, and the sides should be pulled away from the pot. You can also check by inserting a toothpick and making sure it comes out clean.