Welcome and congrats! Glad to have you here and enjoy your new vehicle!
Probably something to do with the memories which are tied to the key fobs, I'm sure someone here will be able to advise you on this.
I think you are stuck with that, but it only lasts about 10 seconds, even if you ignore it..
I love this feature, to use it you just walk away and do nothing, which is something I do very well!