The car position saving will work anywhere, of course – OK, you could do this before by saving your current car location as a new favourite, but this lets you keep re-using the same named location, which works out more convenient all round, I think? Plus you get to add a note, perhaps the parking space or zone, or similar:

Also new is support for venue maps for airports around the world, i.e. where all the shops and facilities are. I checked for some major shopping centres, but nothing so far. Once zoomed in far enough on an airport, tapping on the relevant block switches the map into venue mode, with a pick list of levels as well, since most of these places have multiple floors:

Two nice little extras for Windows 10 Maps which is, I contend, almost sufficient grounds to make the jump from Windows Phone 8.1 to 10 on its own, due to the live traffic awareness.