You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
There is one in the glovebox in new model 3s and Ys. Additionally, that is currently the only USB plug in the car that carries data from the factory, on new model 3s and Ys (unlike our older model 3s).