This application is not an official app affiliated with Polestar.
This is the account that you also use in the polestar APP on your mobile phone try here to login if it works or not: https://polestarid.eu.polestar.com/PolestarLogin/login
Add custom repository in HACS: https://github.com/pypolestar/polestar_api Search for integration 'polestar_api'
Email and password: this are the credential to login on your Polestar account