What is the new interface and how does it help me? Share this with friends: The new interface, in a completely new design, will help you in the future to display the condition of your car in a better way. For example: When it would be time again for a diagnosis! Related Articles Manual for questions about the Carly interface I get an error message when I log/register in to the app. What can I do? How do I send a help message? I forgot my password. What can I do? How do I log in? How do I register?