I got upgrade to 2018.12 two days ago, and this morning my car showed the new maps! I immediately asked it to route me somewhere to see if they fixed the abysmal routing engine that would often give weirdo routes. Close but no cigar. Looks like my house in in an odd corner case where it thinks my driveway connects to a nearby street rather than onto my own street. Needless to say, the routes it gives near my house aren't good! What's the best way to give map feedback to Tesla such that it doesn't disappear into a black hole?