www.liftmaster.com/ When the lock is enabled, your remote controls will not open or close your garage door, but the wireless keyless entry will continue to function. This is useful if you want added peace of mind while you are on vacation. This video will show you how to change the lock setting from the Smart Control Panel. Join us on social: Facebook: www.facebook.com/LiftMaster Twitter: twitter.com/LiftMaster Pinterest: www.pinterest.com/LiftMaster/