see https://news.ycombinator.com/item?id=27041032 https://news.ycombinator.com/item?id=27041032 , maybe this isn't universal but in all the cars I've paired my

see https://news.ycombinator.com/item?id=27041032 https://news.ycombinator.com/item?id=27041032 , maybe this isn't universal but in all the cars I've paired my phone to, you can choose both on the phone and on the car whether you want contacts to sync. I don't trust the car to get it right, but I do trust apple to get it right.