Today I went to Japan and by accident took the ...

Today I went to Japan and by accident took the car key with me. The car keeps working unto you turn it off. My wife also didn't realize it until she was at home after bringing me to the bus station, and we had no idea where the other car key was. A while ago I put those Samsung Tag 2 devices on the two car keys. On the one I took the battery was empty. But I could see on my phone that the other…