You will find this symbol with the detailed product information. Click this symbol, and you can add the product to the Product-Info-System in order to obtain more detailed information.

You will see this symbol at the listing of the product information. This is how you can remove the product from the list of the Product-Info-System.

This symbol is visible on every page where there is any product information in your listing. Click this symbol, and you will get to the page with the listing of the product information. You will have the option of requesting this information.