If it specifically directs you to NOT contact the COURT, but to respond to a police department or any department that is NOT a COURT of LAW, it is likely a trick to gather evidence against you by self incrimination because they do not have enough evidence to issue a real citation to which you respond in COURT.
If you are requested to communicate directly with a Court of Law then it is likely a more serious document which will require a response.
Determine which you have first.
If they want you to send information on the driver to police, they can't identify the driver, and it is not a citation, it is a demand you rat on the driver and they cannot force you to do so.
Check the Internet for help in determining what they have sent you.
I thought this was the Internet.