You should download the Tesla app - it'll show you which superchargers support non-Tesla car charging. Not all superchargers are open to non-Tesla cars.
Before I got my Taycan, I drove a Model 3 Performance for 6.5 years. Tesla has phone-as-key, and since 2024, Apple Watch-as-key as well. In that time, I've only had to carry my phone with me and sometimes I only had my watch with me. It felt so free not having to search various pants for...