Repairclinic.com is a great place stuff like that… I now look up the part numbers and then google them and a lot of times you can even get the parts from Amazon and eBay…
You should be able to push and hold the start button for a bit and it will pause and unlock the lid once paused…
https://www.repairclinic.com/RepairHelp/Refrigerator-Repair-Help
Just in case you have never seen them…