Our documentation located at <direct url> should be able to assist you with <problem xyz>, please do let me know if there's anything there that needs clarifying!
Kind regards,
Hi <indication that we're tracking this problem>,
... please do let <contact to avoid fighting back through automated menus and outsourced support> know...
Kind regards, <person ultimately responsible for failure>
Our documentation located at <direct url> should be able to assist you with <problem xyz>, please do let me know if there's anything there that needs clarifying!
Kind regards,