My husband has a Model S and I have a Model X. We have separate MyTesla accounts, and so can only control/see one vehicle at a time on the app, unless we log out and log in with the other email address. Anybody know how to get these combined? The Tesla service center near me does not have any idea, and told me to call the 877 Tesla phone number. I've been on hold with them for 35 minutes, waiting for "the next available specialist" -- I am hoping that somebody here can give me a starting point to share with the local service center, so that I can get this taken care of. This would also apply to anybody buying a used vehicle; the email address on the account would need to be changed and the vehicle would need to be added to the buyer's account. Any help is much appreciated!