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.
Warnings become more frequent. The car will start beeping quicker and quicker. It will slow down, put the emergency/hazard flashers on, and eventually get to a full stop. Autopilot will be disabled for the rest of the trip. Here is a video: