Adding European maps to USA device

bobbellevue Registered Users Posts: 6
Neophyte Traveler
edited December 2021 in Devices using MyDrive Connect
I have a Tomtom car gps with USA and Canada maps with perpetual update. I'm going to France and UK in a few weeks. Can I buy European maps for my gps and add them? Do they replace my North America maps? How do I convert back to NA when I return?