New European car registrations of Tesla vehicles totaled 8,837 in July, down 40% year-on-year, according to the European Automobile Manufacturers Association, or ACEA.
BYD recorded 13,503 new registrations in July, up 225% annually.
Elon Musk’s automaker faces a number of challenges in Europe, including intense ongoing competition and reputational damage to the brand.
At $10 or less a month, (It's $99 for a year, $9.99 for a month) it's cheaper than using a gig of data on many non-unlimited plans. It's at least a better deal than the price-equivalent GM OnStar plan for example.
For Tesla, I believe the only feature locked behind the subscription (won't work unless subscribed, even with a separate hotspot) other than live traffic is the Tesla-app based bandwidth-intensive stuff like viewing the sentry cameras remotely, but I don't have a definitive list.
I think the nav will take traffic into account when navigating, even if you don't subscribe, but it won't show you traffic. I'm not sure on that though, it may have been true a while ago and changed.