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.
FSD is activated by pulling the AutoPilot lever twice on pre-2021+ cars after you enable it the first time under Autopilot selections, and accept the legal disclaimer. You can shut off FSD by unchecking this selection at any time.