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To get to the login "button" you scroll the top menu of the TuneIn app on the Tesla UI to the far right and the Login menu item is the last selection as shown in the attached pic.
Has anyone with a Model 3 that has a Tesla OEM rear spoiler installed taken it through an automatic car wash? Is the rear spoiler attachment robust enough to take on the brushes in the car wash? It is coming up to winter and I won't be hand-washing for a few months now.