You can check matresh for your traffic violations. You will usually receive a text message. If your violation is with a rented car, you may not receive any text message and can incur further fines as there is a timescale when you need to pay by.
The rental organisation may also ask for fees if they pay on your behalf.
You can always ask on the WhatsApp group for any clarification, link at the bottom on the page.
Below are some useful info: