Unpair your phone from rental, friend’s and relative’s cars, because until you do, your contacts database is driving around.
Would anything bad actually come from leaving it? Probably not. In the same way, if you left a copy of your contacts on a USB key * at your friend’s house, it’d probably be fine too. But why do that.
Some infotainment systems can save more than one phone. This one saves 4.
Alena is clearly the most popular.
Don’t name your phone your name. Here’s why.
(* if you say, ‘I use FB for my contacts list’, please leave my blog)