Not too much of a bug, but apparently if you go 999,999,999 blocks out then make a map the car kind of collapses on itself:
PolyTrack14p9i0XLjMdncPbTDow8s08Id07ADN8oy2psdq4MS3HHdMK39p8SBAY9WLcO
that was suposed to be fixed, (kodub I'm looking at you)
It's quite low priority