The "Auto start" is:
The "Auto start" service provides ability to start the HAProxy and/or Nginx services if it has gone out.
For example:The HAProxy service has been killed for some reasons, e.g. it has done by OOM Killer or by somebody's mistake, then the "Auto start" service will detect it and will try to start the HAProxy service. The same for Nginx.
If you would like to use Auto start service and, if HAProxy service has been installed manually read how to set HAProxy service, or read how to set HAProxy-WI for your custom page in this article.
Also Auto start uses the Nginx Stats page for checking Nginx service status. If Nginx service has been installed manually, read how to configure it here or read how to set HAProxy-WI for your custom page in this article
For Auto start service installation you should run:
The "Auto start" Log
The "Auto start" has its own log in an "Internal logs". You can read more about the "Internal logs" here