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.
It stands for Gateway. The gateway is the state management system for the car, holding its config and managing the data sent through it. No, it's not a concern. It just means service commands sent over ethernet will be rejected. Even when "unlocked" I don't think it accepts arbitrary commands.
No, there is a default speed limit for service mode for a variety of reasons. Once you leave service mode there is basically no difference in how your car performs.
