How do I use the Control Lock feature to prevent accidental operation?
Touch the LOCK pad twice within 3 seconds to make all pads inoperative, preventing any selections from being made or a cycle from being interrupted. To unlock the dishwasher, touch the LOCK pad twice again within 3 seconds, and the light above the LOCK pad will turn off. (Page 5)
From the official GE GSD4500 Stainless Steel Built-In Dishwasher manual, page 5
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