Can a non US Cook-Key® be used on a US TM5? Yes. And with this configuration the user can access a non US Cookidoo® account. Related articles Can a Cookidoo® account be moved to a different country or region? What do these Cook-key® Error Codes mean? Is the Cook-Key® available in the US? Is the Thermomix® appliance protected from viruses and hacking when using the Cook-key® What is the price of the Cook-Key®?