For most Shell stations you must plug the connector in the car first and then starts the charge in the app. But some Shell stations are the opposite... Help others by sharing your experience in the "Comments" section. Please report steps taken for a successful start.
Responding to karenwang's comment "Not able to find the port": Hello,
We understand your frustrations and will circulate your feedback with the appropriate parties.
Best Regards,
Support@ShellRecharge