NACS Superchargers, which will become available gradually, by vehicle manufacturer, and can be accessed through an adapter. The adapter has to be provided by your vehicle manufacturer. For new vehicles that are NACS-equipped, no adapter will be necessary.
Edit: here is the charging network map. Notice that the network for non-Telsa NACS cars is smaller than the full network.
https://www.media.volvocars.com/global/en-gb/media/pressreleases/316416/electric-volvo-car-drivers-will-get-access-to-12000-tesla-superchargers-across-the-united-states-can
Yeah, but I was referring to the full network. Isn’t this just partial access?
https://www.tesla.com/support/supercharging-other-evs#vehicles
Edit: here is the charging network map. Notice that the network for non-Telsa NACS cars is smaller than the full network.
https://www.tesla.com/findus
Polestar falls under the 3rd bullet point and will have full supercharger access.
Bullet 3 is not access to the full network. It’s only partial access.
Here is the map. https://www.tesla.com/findus
Not all super chargers are open to non-Telsa NACS cars.